🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.67 AU - 0.73 AU

Year: 219 Days

Day: 35.4 Hours

Environment

Temp: 156 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.72 AU - 0.8 AU

Year: 248 Days

Day: 44.6 Hours

Environment

Temp: 150 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,978,021 km

• M1: 338,241 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.81 AU - 1.23 AU

Year: 386 Days

Day: 28.8 Hours

Environment

Temp: 9 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.15 AU - 1.41 AU

Year: 543 Days

Day: 27 Hours

Environment

Temp: -19 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.43 AU - 2.05 AU

Year: 860 Days

Day: 25.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.26 AU - 4.1 AU

Year: 2645 Days

Day: 15.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.2

Radius: 8.5

Gravity: 13.51 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.87 AU - 9.87 AU

Year: 9900 Days

Day: 12.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 29,978,021 km

• M1: 107,411 km (0.068 R)
• M2: 184,903 km (0.119 R)
• M3: 852,558 km (0.098 R)
• M4: 1,053,917 km (0.1 R)
• M5: 1,292,974 km (0.114 R)
• M6: 1,525,449 km (0.1 R)
• M7: 1,671,457 km (0.068 R)
• M8: 1,951,055 km (0.104 R)
• M9: 2,497,387 km (0.104 R)
• M10: 2,612,128 km (0.079 R)
• M11: 3,337,229 km (0.112 R)
• M12: 4,639,628 km (0.101 R)
• M13: 4,960,366 km (0.109 R)
• M14: 5,105,327 km (0.096 R)
• M15: 5,178,330 km (0.056 R)
• M16: 5,288,434 km (0.115 R)
• M17: 5,548,435 km (0.119 R)
• M18: 6,081,153 km (0.114 R)
• M19: 6,511,098 km (0.098 R)
• M20: 6,950,915 km (0.098 R)
• M21: 7,483,035 km (0.026 R)
• M22: 7,859,274 km (0.072 R)
• M23: 8,848,265 km (0.042 R)
• M24: 9,335,206 km (0.111 R)
• M25: 9,469,545 km (0.092 R)
• M26: 11,800,579 km (0.097 R)
• M27: 12,483,643 km (0.049 R)
• M28: 13,129,308 km (0.101 R)
• M29: 13,431,046 km (0.109 R)
• M30: 13,582,739 km (0.108 R)
• M31: 14,349,877 km (0.106 R)
• M32: 14,973,550 km (0.05 R)
• M33: 16,247,526 km (0.045 R)
• M34: 16,625,709 km (0.102 R)
• M35: 17,390,603 km (0.12 R)
• M36: 18,111,066 km (0.083 R)
• M37: 18,278,765 km (0.094 R)
• M38: 18,503,162 km (0.097 R)
• M39: 19,695,906 km (0.072 R)
• M40: 20,214,711 km (0.09 R)
• M41: 20,504,931 km (0.11 R)
• M42: 21,679,275 km (0.056 R)
• M43: 23,177,946 km (0.118 R)
• M44: 23,238,533 km (0.092 R)
• M45: 23,664,438 km (0.12 R)
• M46: 23,847,845 km (0.034 R)
• M47: 24,031,552 km (0.065 R)
• M48: 24,462,393 km (0.079 R)
• M49: 25,206,643 km (0.085 R)
• M50: 26,147,464 km (0.073 R)
• M51: 26,337,004 km (0.119 R)
• M52: 27,869,784 km (0.085 R)
• M53: 27,998,887 km (0.058 R)
• M54: 28,387,094 km (0.074 R)
• M55: 28,452,019 km (0.087 R)
• M56: 28,581,870 km (0.075 R)
• M57: 29,103,667 km (0.092 R)
• M58: 29,300,089 km (0.095 R)
• M59: 32,774,500 km (0.114 R)
• M60: 33,252,016 km (0.099 R)
• M61: 33,869,556 km (0.048 R)
• M62: 34,421,423 km (0.043 R)
• M63: 35,254,982 km (0.12 R)
• M64: 35,464,419 km (0.096 R)
• M65: 36,447,277 km (0.067 R)
• M66: 36,871,238 km (0.102 R)
• M67: 37,154,726 km (0.108 R)
• M68: 37,438,962 km (0.082 R)
• M69: 37,795,304 km (0.067 R)
• M70: 38,152,843 km (0.091 R)
• M71: 38,727,149 km (0.069 R)
• M72: 39,087,530 km (0.079 R)
• M73: 39,666,474 km (0.043 R)
• M74: 40,759,585 km (0.045 R)
• M75: 41,493,812 km (0.053 R)
• M76: 43,797,619 km (0.096 R)
• M77: 44,022,764 km (0.099 R)
• M78: 44,851,686 km (0.063 R)
• M79: 47,600,098 km (0.096 R)
• M80: 47,986,060 km (0.058 R)
• M81: 48,218,236 km (0.081 R)
• M82: 48,994,649 km (0.082 R)
• M83: 49,306,411 km (0.088 R)
• M84: 49,384,351 km (0.058 R)
• M85: 49,540,681 km (0.089 R)
• M86: 50,402,664 km (0.099 R)
• M87: 50,559,892 km (0.098 R)
• M88: 51,744,557 km (0.113 R)
• M89: 53,018,233 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.7

Radius: 9.2

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.17 AU - 11.77 AU

Year: 11797 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 29,978,021 km

• M1: 216,468 km (0.053 R)
• M2: 320,887 km (0.047 R)
• M3: 517,609 km (0.105 R)
• M4: 631,303 km (0.116 R)
• M5: 768,185 km (0.107 R)
• M6: 885,021 km (0.095 R)
• M7: 1,008,290 km (0.028 R)
• M8: 1,689,259 km (0.107 R)
• M9: 1,804,898 km (0.082 R)
• M10: 1,923,380 km (0.095 R)
• M11: 1,983,518 km (0.091 R)
• M12: 2,044,405 km (0.094 R)
• M13: 2,105,889 km (0.079 R)
• M14: 2,531,794 km (0.05 R)
• M15: 2,620,207 km (0.076 R)
• M16: 2,845,800 km (0.115 R)
• M17: 3,462,144 km (0.098 R)
• M18: 3,535,895 km (0.091 R)
• M19: 4,381,572 km (0.095 R)
• M20: 4,731,481 km (0.117 R)
• M21: 5,006,742 km (0.102 R)
• M22: 5,630,864 km (0.098 R)
• M23: 5,893,408 km (0.099 R)
• M24: 6,551,788 km (0.108 R)
• M25: 7,264,921 km (0.103 R)
• M26: 7,711,022 km (0.039 R)
• M27: 8,297,745 km (0.03 R)
• M28: 8,463,350 km (0.034 R)
• M29: 8,730,382 km (0.109 R)
• M30: 9,102,282 km (0.054 R)
• M31: 9,444,862 km (0.075 R)
• M32: 9,722,066 km (0.11 R)
• M33: 9,931,653 km (0.104 R)
• M34: 10,142,736 km (0.117 R)
• M35: 10,248,950 km (0.059 R)
• M36: 10,390,919 km (0.12 R)
• M37: 10,857,215 km (0.095 R)
• M38: 11,002,026 km (0.103 R)
• M39: 11,220,588 km (0.12 R)
• M40: 11,440,497 km (0.082 R)
• M41: 11,735,953 km (0.115 R)
• M42: 12,183,849 km (0.066 R)
• M43: 12,447,740 km (0.07 R)
• M44: 12,523,436 km (0.056 R)
• M45: 14,149,266 km (0.095 R)
• M46: 14,347,184 km (0.098 R)
• M47: 14,506,206 km (0.112 R)
• M48: 14,946,473 km (0.091 R)
• M49: 15,067,348 km (0.094 R)
• M50: 15,148,131 km (0.113 R)
• M51: 15,840,320 km (0.083 R)
• M52: 17,213,479 km (0.113 R)
• M53: 17,297,852 km (0.057 R)
• M54: 17,382,375 km (0.063 R)
• M55: 17,594,505 km (0.098 R)
• M56: 19,365,444 km (0.055 R)
• M57: 19,983,134 km (0.12 R)
• M58: 20,249,867 km (0.032 R)
• M59: 20,651,986 km (0.028 R)
• M60: 20,786,774 km (0.117 R)
• M61: 21,646,363 km (0.102 R)
• M62: 22,517,771 km (0.073 R)
• M63: 23,494,046 km (0.098 R)
• M64: 23,728,616 km (0.076 R)
• M65: 24,011,057 km (0.117 R)
• M66: 24,436,663 km (0.082 R)
• M67: 24,864,961 km (0.055 R)
• M68: 25,104,019 km (0.119 R)
• M69: 25,199,761 km (0.091 R)
• M70: 25,970,639 km (0.095 R)
• M71: 27,092,174 km (0.053 R)
• M72: 27,782,718 km (0.092 R)
• M73: 27,881,752 km (0.112 R)
• M74: 28,179,751 km (0.092 R)
• M75: 30,193,637 km (0.086 R)
• M76: 30,601,890 km (0.116 R)
• M77: 31,012,087 km (0.106 R)
• M78: 31,217,784 km (0.107 R)
• M79: 31,993,449 km (0.07 R)
• M80: 33,722,053 km (0.108 R)
• M81: 34,358,143 km (0.037 R)
• M82: 35,051,679 km (0.098 R)
• M83: 35,373,464 km (0.095 R)
• M84: 36,073,731 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.4

Radius: 5.3

Gravity: 20.77 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 9.56 AU - 15.3 AU

Year: 16422 Days

Day: 17.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 29,978,021 km

• M1: 88,263 km (0.105 R)
• M2: 138,827 km (0.099 R)
• M3: 181,911 km (0.085 R)
• M4: 231,428 km (0.106 R)
• M5: 272,119 km (0.111 R)
• M6: 427,551 km (0.105 R)
• M7: 552,465 km (0.082 R)
• M8: 880,832 km (0.089 R)
• M9: 1,137,093 km (0.108 R)
• M10: 1,235,978 km (0.098 R)
• M11: 1,337,704 km (0.082 R)
• M12: 1,522,308 km (0.071 R)
• M13: 1,857,706 km (0.116 R)
• M14: 2,093,772 km (0.083 R)
• M15: 2,692,163 km (0.115 R)
• M16: 3,234,605 km (0.113 R)
• M17: 3,554,146 km (0.051 R)
• M18: 4,338,787 km (0.031 R)
• M19: 4,770,526 km (0.091 R)
• M20: 5,759,069 km (0.069 R)
• M21: 5,929,910 km (0.103 R)
• M22: 6,276,528 km (0.109 R)
• M23: 6,989,213 km (0.1 R)
• M24: 7,263,126 km (0.094 R)
• M25: 7,774,302 km (0.104 R)
• M26: 9,028,082 km (0.084 R)
• M27: 9,276,414 km (0.077 R)
• M28: 10,395,107 km (0.086 R)
• M29: 11,341,763 km (0.086 R)
• M30: 11,771,408 km (0.099 R)
• M31: 12,096,933 km (0.064 R)
• M32: 12,315,794 km (0.11 R)
• M33: 15,040,720 km (0.106 R)
• M34: 15,809,503 km (0.119 R)
• M35: 16,168,687 km (0.107 R)
• M36: 16,470,127 km (0.107 R)
• M37: 17,139,578 km (0.088 R)
• M38: 17,200,913 km (0.104 R)
• M39: 17,880,087 km (0.111 R)
• M40: 18,567,938 km (0.087 R)
• M41: 19,264,615 km (0.108 R)
• M42: 19,455,951 km (0.108 R)
• M43: 20,098,773 km (0.118 R)
• M44: 21,075,797 km (0.113 R)
• M45: 22,738,428 km (0.107 R)
• M46: 22,805,747 km (0.062 R)
• M47: 23,008,302 km (0.084 R)
• M48: 23,551,342 km (0.106 R)
• M49: 24,580,875 km (0.032 R)
• M50: 25,275,308 km (0.084 R)
• M51: 25,835,403 km (0.096 R)
• M52: 27,325,397 km (0.116 R)
• M53: 27,756,090 km (0.101 R)
• M54: 28,551,651 km (0.067 R)
• M55: 28,624,356 km (0.115 R)
• M56: 31,657,602 km (0.051 R)
• M57: 33,097,482 km (0.1 R)
• M58: 33,173,926 km (0.069 R)
• M59: 34,249,236 km (0.057 R)
• M60: 36,276,586 km (0.093 R)
• M61: 37,225,336 km (0.12 R)
• M62: 38,102,129 km (0.11 R)
• M63: 38,422,568 km (0.089 R)
• M64: 38,985,654 km (0.105 R)
• M65: 39,470,501 km (0.074 R)
• M66: 40,038,673 km (0.113 R)
• M67: 40,282,967 km (0.112 R)
• M68: 41,182,947 km (0.099 R)
• M69: 42,338,142 km (0.101 R)
• M70: 42,587,073 km (0.076 R)
• M71: 43,253,083 km (0.101 R)
• M72: 43,420,184 km (0.101 R)
• M73: 45,951,828 km (0.106 R)
• M74: 46,977,920 km (0.05 R)
• M75: 47,321,546 km (0.094 R)
• M76: 47,666,070 km (0.099 R)
• M77: 48,270,895 km (0.078 R)
• M78: 50,364,068 km (0.064 R)
• M79: 51,068,375 km (0.028 R)
• M80: 53,290,202 km (0.112 R)
• M81: 53,469,271 km (0.025 R)
• M82: 54,818,943 km (0.099 R)
• M83: 55,271,327 km (0.113 R)
• M84: 55,906,819 km (0.068 R)
• M85: 56,727,213 km (0.112 R)
• M86: 57,001,725 km (0.083 R)
• M87: 57,184,833 km (0.072 R)
• M88: 57,735,503 km (0.047 R)
• M89: 58,195,816 km (0.115 R)
• M90: 58,749,627 km (0.069 R)
• M91: 61,076,472 km (0.117 R)
• M92: 62,109,595 km (0.111 R)
• M93: 63,243,397 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.9

Radius: 3.3

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 12.3 AU - 13.3 AU

Year: 17161 Days

Day: 20.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 29,978,021 km

• M1: 70,909 km (0.119 R)
• M2: 196,572 km (0.095 R)
• M3: 271,670 km (0.082 R)
• M4: 1,088,923 km (0.085 R)
• M5: 1,269,936 km (0.071 R)
• M6: 1,592,469 km (0.102 R)
• M7: 1,728,304 km (0.046 R)
• M8: 2,195,199 km (0.094 R)
• M9: 2,698,596 km (0.079 R)
• M10: 3,321,671 km (0.076 R)
• M11: 3,517,046 km (0.111 R)
• M12: 3,538,887 km (0.105 R)
• M13: 5,258,216 km (0.053 R)
• M14: 5,358,895 km (0.051 R)
• M15: 5,434,891 km (0.064 R)
• M16: 5,638,942 km (0.085 R)
• M17: 5,976,136 km (0.112 R)
• M18: 6,028,495 km (0.085 R)
• M19: 6,426,725 km (0.105 R)
• M20: 7,557,834 km (0.098 R)
• M21: 8,160,564 km (0.101 R)
• M22: 8,897,932 km (0.068 R)
• M23: 10,215,291 km (0.088 R)
• M24: 11,887,496 km (0.092 R)
• M25: 13,367,318 km (0.045 R)
• M26: 14,163,777 km (0.075 R)
• M27: 14,620,649 km (0.061 R)
• M28: 14,655,954 km (0.114 R)
• M29: 14,975,345 km (0.09 R)
• M30: 15,225,323 km (0.055 R)
• M31: 15,729,468 km (0.102 R)
• M32: 16,495,858 km (0.099 R)
• M33: 16,606,261 km (0.099 R)
• M34: 16,791,015 km (0.098 R)
• M35: 17,311,615 km (0.114 R)
• M36: 17,386,414 km (0.05 R)
• M37: 17,686,807 km (0.038 R)
• M38: 18,292,678 km (0.114 R)
• M39: 19,524,616 km (0.103 R)
• M40: 19,993,456 km (0.067 R)
• M41: 20,268,567 km (0.11 R)
• M42: 20,426,392 km (0.055 R)
• M43: 21,221,655 km (0.119 R)
• M44: 21,261,747 km (0.073 R)
• M45: 22,719,279 km (0.041 R)
• M46: 24,923,155 km (0.081 R)
• M47: 25,219,209 km (0.112 R)
• M48: 26,071,767 km (0.091 R)
• M49: 29,128,949 km (0.11 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 18,739 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit