🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.75 AU - 0.93 AU

Year: 269 Days

Day: 19.2 Hours

Environment

Temp: 187 °C

Axial Tilt: 87 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.03 AU - 1.41 AU

Year: 471 Days

Day: 47.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 11.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.55 AU - 1.87 AU

Year: 782 Days

Day: 31.7 Hours

Environment

Temp: -28 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,847,833 km

• M1: 93,499 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.69 AU - 3.93 AU

Year: 2107 Days

Day: 38.4 Hours

Environment

Temp: -90 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.02 AU - 4.22 AU

Year: 2410 Days

Day: 42 Hours

Environment

Temp: -113 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,847,833 km

• M1: 1,482,814 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.1

Radius: 11

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.28 AU - 5.88 AU

Year: 4611 Days

Day: 9.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 68,847,833 km

• M1: 149,448 km (0.075 R)
• M2: 329,115 km (0.119 R)
• M3: 477,816 km (0.085 R)
• M4: 553,512 km (0.055 R)
• M5: 624,870 km (0.077 R)
• M6: 768,335 km (0.116 R)
• M7: 999,912 km (0.104 R)
• M8: 1,327,681 km (0.087 R)
• M9: 1,427,612 km (0.07 R)
• M10: 1,504,207 km (0.107 R)
• M11: 1,595,461 km (0.036 R)
• M12: 1,742,965 km (0.073 R)
• M13: 1,880,894 km (0.098 R)
• M14: 1,993,990 km (0.112 R)
• M15: 2,362,450 km (0.11 R)
• M16: 2,704,430 km (0.054 R)
• M17: 2,849,091 km (0.098 R)
• M18: 3,045,813 km (0.086 R)
• M19: 3,145,894 km (0.099 R)
• M20: 3,349,496 km (0.09 R)
• M21: 3,453,018 km (0.04 R)
• M22: 3,805,620 km (0.081 R)
• M23: 4,188,441 km (0.077 R)
• M24: 4,356,290 km (0.064 R)
• M25: 4,431,687 km (0.106 R)
• M26: 4,621,976 km (0.108 R)
• M27: 4,718,167 km (0.069 R)
• M28: 5,050,125 km (0.104 R)
• M29: 5,695,789 km (0.049 R)
• M30: 6,239,578 km (0.073 R)
• M31: 6,909,776 km (0.117 R)
• M32: 7,064,311 km (0.089 R)
• M33: 7,309,352 km (0.108 R)
• M34: 7,444,289 km (0.053 R)
• M35: 7,992,266 km (0.119 R)
• M36: 8,131,243 km (0.119 R)
• M37: 8,294,454 km (0.068 R)
• M38: 8,766,884 km (0.083 R)
• M39: 9,199,521 km (0.098 R)
• M40: 9,540,903 km (0.109 R)
• M41: 9,639,189 km (0.091 R)
• M42: 9,985,957 km (0.105 R)
• M43: 10,261,217 km (0.106 R)
• M44: 11,024,765 km (0.09 R)
• M45: 11,806,713 km (0.071 R)
• M46: 12,284,379 km (0.098 R)
• M47: 12,633,391 km (0.101 R)
• M48: 13,506,294 km (0.077 R)
• M49: 13,589,171 km (0.104 R)
• M50: 14,033,926 km (0.119 R)
• M51: 14,201,924 km (0.085 R)
• M52: 14,314,272 km (0.068 R)
• M53: 14,653,111 km (0.094 R)
• M54: 14,823,503 km (0.061 R)
• M55: 14,937,647 km (0.096 R)
• M56: 15,772,851 km (0.12 R)
• M57: 15,889,239 km (0.095 R)
• M58: 17,248,186 km (0.049 R)
• M59: 17,578,797 km (0.046 R)
• M60: 17,911,353 km (0.117 R)
• M61: 18,644,233 km (0.106 R)
• M62: 18,828,986 km (0.103 R)
• M63: 19,480,485 km (0.089 R)
• M64: 19,605,399 km (0.104 R)
• M65: 19,950,372 km (0.093 R)
• M66: 20,234,159 km (0.105 R)
• M67: 20,329,004 km (0.114 R)
• M68: 21,093,300 km (0.086 R)
• M69: 21,285,832 km (0.112 R)
• M70: 21,446,800 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 8.4

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.47 AU - 7.41 AU

Year: 5065 Days

Day: 12.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 68,847,833 km

• M1: 118,332 km (0.074 R)
• M2: 195,225 km (0.099 R)
• M3: 275,260 km (0.068 R)
• M4: 379,979 km (0.03 R)
• M5: 645,515 km (0.085 R)
• M6: 729,888 km (0.108 R)
• M7: 1,105,528 km (0.052 R)
• M8: 1,178,532 km (0.112 R)
• M9: 1,238,222 km (0.089 R)
• M10: 1,568,534 km (0.09 R)
• M11: 1,890,767 km (0.111 R)
• M12: 2,032,736 km (0.108 R)
• M13: 2,196,546 km (0.099 R)
• M14: 2,854,627 km (0.118 R)
• M15: 2,936,008 km (0.113 R)
• M16: 2,997,343 km (0.056 R)
• M17: 3,142,602 km (0.1 R)
• M18: 3,993,216 km (0.052 R)
• M19: 4,292,113 km (0.115 R)
• M20: 4,574,254 km (0.066 R)
• M21: 5,609,172 km (0.057 R)
• M22: 5,737,078 km (0.115 R)
• M23: 5,891,912 km (0.119 R)
• M24: 7,041,273 km (0.055 R)
• M25: 7,234,703 km (0.1 R)
• M26: 8,055,397 km (0.095 R)
• M27: 8,228,930 km (0.108 R)
• M28: 8,520,796 km (0.063 R)
• M29: 9,114,699 km (0.056 R)
• M30: 9,204,907 km (0.089 R)
• M31: 9,507,992 km (0.094 R)
• M32: 9,937,637 km (0.096 R)
• M33: 10,123,737 km (0.118 R)
• M34: 10,248,501 km (0.053 R)
• M35: 10,562,507 km (0.102 R)
• M36: 10,720,782 km (0.113 R)
• M37: 10,816,076 km (0.075 R)
• M38: 10,879,804 km (0.077 R)
• M39: 11,329,196 km (0.101 R)
• M40: 11,523,674 km (0.09 R)
• M41: 11,850,096 km (0.06 R)
• M42: 11,915,770 km (0.117 R)
• M43: 12,312,503 km (0.081 R)
• M44: 13,254,820 km (0.106 R)
• M45: 14,605,539 km (0.1 R)
• M46: 14,923,435 km (0.102 R)
• M47: 15,350,986 km (0.099 R)
• M48: 15,530,204 km (0.079 R)
• M49: 16,254,407 km (0.095 R)
• M50: 17,137,782 km (0.065 R)
• M51: 17,435,781 km (0.086 R)
• M52: 17,697,877 km (0.105 R)
• M53: 17,961,319 km (0.104 R)
• M54: 18,150,261 km (0.061 R)
• M55: 18,874,315 km (0.08 R)
• M56: 19,375,168 km (0.112 R)
• M57: 19,724,479 km (0.097 R)
• M58: 20,232,813 km (0.072 R)
• M59: 20,468,729 km (0.025 R)
• M60: 20,784,979 km (0.11 R)
• M61: 20,983,345 km (0.1 R)
• M62: 22,146,469 km (0.043 R)
• M63: 22,511,637 km (0.059 R)
• M64: 22,878,900 km (0.113 R)
• M65: 22,960,730 km (0.045 R)
• M66: 23,371,526 km (0.085 R)
• M67: 23,536,532 km (0.035 R)
• M68: 23,784,865 km (0.084 R)
• M69: 25,165,653 km (0.078 R)
• M70: 25,334,848 km (0.099 R)
• M71: 26,228,995 km (0.119 R)
• M72: 26,400,583 km (0.057 R)
• M73: 26,615,406 km (0.102 R)
• M74: 26,917,294 km (0.087 R)
• M75: 27,046,996 km (0.105 R)
• M76: 27,829,542 km (0.105 R)
• M77: 28,135,919 km (0.054 R)
• M78: 28,223,583 km (0.069 R)
• M79: 28,663,700 km (0.111 R)
• M80: 28,884,506 km (0.107 R)
• M81: 28,973,068 km (0.118 R)
• M82: 29,150,342 km (0.035 R)
• M83: 29,506,086 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 9.9

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.82 AU - 8.1 AU

Year: 7128 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 68,847,833 km

• M1: 250,576 km (0.098 R)
• M2: 336,446 km (0.093 R)
• M3: 471,682 km (0.106 R)
• M4: 741,108 km (0.109 R)
• M5: 1,452,895 km (0.109 R)
• M6: 1,647,222 km (0.082 R)
• M7: 1,850,376 km (0.107 R)
• M8: 2,104,992 km (0.087 R)
• M9: 2,303,358 km (0.11 R)
• M10: 2,508,158 km (0.102 R)
• M11: 3,182,695 km (0.059 R)
• M12: 3,488,473 km (0.043 R)
• M13: 3,645,102 km (0.096 R)
• M14: 3,777,346 km (0.053 R)
• M15: 3,911,087 km (0.053 R)
• M16: 4,950,044 km (0.095 R)
• M17: 5,334,510 km (0.05 R)
• M18: 5,975,837 km (0.092 R)
• M19: 6,321,707 km (0.091 R)
• M20: 7,032,745 km (0.091 R)
• M21: 7,431,274 km (0.106 R)
• M22: 7,565,763 km (0.12 R)
• M23: 7,667,190 km (0.116 R)
• M24: 8,215,765 km (0.119 R)
• M25: 8,494,765 km (0.074 R)
• M26: 8,565,076 km (0.092 R)
• M27: 8,776,907 km (0.086 R)
• M28: 8,847,966 km (0.089 R)
• M29: 9,133,997 km (0.064 R)
• M30: 9,242,156 km (0.113 R)
• M31: 9,459,522 km (0.119 R)
• M32: 9,825,588 km (0.041 R)
• M33: 10,084,692 km (0.089 R)
• M34: 10,458,686 km (0.103 R)
• M35: 10,534,084 km (0.078 R)
• M36: 10,761,173 km (0.102 R)
• M37: 11,181,842 km (0.12 R)
• M38: 11,921,006 km (0.077 R)
• M39: 12,039,188 km (0.111 R)
• M40: 12,276,749 km (0.047 R)
• M41: 12,998,709 km (0.111 R)
• M42: 13,364,775 km (0.054 R)
• M43: 13,651,853 km (0.041 R)
• M44: 13,734,281 km (0.072 R)
• M45: 13,941,026 km (0.072 R)
• M46: 15,891,183 km (0.097 R)
• M47: 16,108,250 km (0.119 R)
• M48: 16,942,108 km (0.104 R)
• M49: 17,386,713 km (0.109 R)
• M50: 18,651,713 km (0.036 R)
• M51: 19,480,635 km (0.062 R)
• M52: 19,573,385 km (0.086 R)
• M53: 20,936,222 km (0.066 R)
• M54: 21,461,011 km (0.052 R)
• M55: 23,110,627 km (0.113 R)
• M56: 23,702,586 km (0.113 R)
• M57: 24,149,883 km (0.073 R)
• M58: 24,800,784 km (0.075 R)
• M59: 25,356,091 km (0.086 R)
• M60: 25,559,095 km (0.098 R)
• M61: 26,017,613 km (0.11 R)
• M62: 26,324,887 km (0.108 R)
• M63: 26,994,786 km (0.108 R)
• M64: 27,150,069 km (0.1 R)
• M65: 28,561,824 km (0.081 R)
• M66: 29,303,231 km (0.081 R)
• M67: 29,516,258 km (0.116 R)
• M68: 30,265,744 km (0.047 R)
• M69: 30,427,160 km (0.071 R)
• M70: 31,075,816 km (0.102 R)
• M71: 31,401,790 km (0.096 R)
• M72: 33,437,069 km (0.107 R)
• M73: 33,826,921 km (0.085 R)
• M74: 34,949,204 km (0.082 R)
• M75: 35,571,531 km (0.11 R)
• M76: 35,912,614 km (0.103 R)
• M77: 36,368,888 km (0.092 R)
• M78: 36,597,922 km (0.083 R)
• M79: 37,633,888 km (0.108 R)
• M80: 38,271,773 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.3

Radius: 8

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 10.77 AU - 17.17 AU

Year: 18267 Days

Day: 24.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 68,847,833 km

• M1: 105,616 km (0.082 R)
• M2: 265,536 km (0.067 R)
• M3: 493,075 km (0.047 R)
• M4: 891,304 km (0.041 R)
• M5: 1,318,556 km (0.094 R)
• M6: 1,539,960 km (0.115 R)
• M7: 1,597,107 km (0.103 R)
• M8: 1,713,793 km (0.057 R)
• M9: 2,240,976 km (0.055 R)
• M10: 2,539,573 km (0.1 R)
• M11: 3,396,470 km (0.118 R)
• M12: 4,053,504 km (0.11 R)
• M13: 4,335,496 km (0.103 R)
• M14: 5,003,600 km (0.071 R)
• M15: 5,305,937 km (0.085 R)
• M16: 5,928,564 km (0.11 R)
• M17: 6,810,144 km (0.1 R)
• M18: 7,387,891 km (0.058 R)
• M19: 8,283,832 km (0.119 R)
• M20: 8,385,559 km (0.084 R)
• M21: 9,213,733 km (0.064 R)
• M22: 9,584,287 km (0.077 R)
• M23: 10,340,055 km (0.117 R)
• M24: 10,891,473 km (0.107 R)
• M25: 11,227,021 km (0.05 R)
• M26: 11,565,860 km (0.105 R)
• M27: 12,719,709 km (0.101 R)
• M28: 12,778,351 km (0.067 R)
• M29: 14,030,784 km (0.076 R)
• M30: 15,011,099 km (0.088 R)
• M31: 15,197,348 km (0.072 R)
• M32: 15,259,581 km (0.068 R)
• M33: 15,509,410 km (0.103 R)
• M34: 16,140,114 km (0.101 R)
• M35: 16,714,869 km (0.072 R)
• M36: 17,556,806 km (0.088 R)
• M37: 17,884,425 km (0.083 R)
• M38: 18,015,922 km (0.102 R)
• M39: 18,213,990 km (0.078 R)
• M40: 18,280,112 km (0.106 R)
• M41: 19,619,910 km (0.104 R)
• M42: 19,687,678 km (0.091 R)
• M43: 20,438,809 km (0.109 R)
• M44: 22,039,506 km (0.067 R)
• M45: 22,392,856 km (0.04 R)
• M46: 22,463,766 km (0.075 R)
• M47: 23,969,468 km (0.111 R)
• M48: 25,804,286 km (0.077 R)
• M49: 26,251,285 km (0.098 R)
• M50: 28,371,087 km (0.086 R)
• M51: 29,141,366 km (0.051 R)
• M52: 31,572,780 km (0.119 R)
• M53: 31,731,803 km (0.104 R)
• M54: 32,130,780 km (0.116 R)
• M55: 32,772,406 km (0.054 R)
• M56: 32,852,889 km (0.111 R)
• M57: 33,175,572 km (0.059 R)
• M58: 34,969,101 km (0.107 R)
• M59: 35,546,399 km (0.088 R)
• M60: 36,626,795 km (0.107 R)
• M61: 39,331,823 km (0.082 R)
• M62: 39,588,833 km (0.077 R)
• M63: 39,932,160 km (0.117 R)
• M64: 41,663,905 km (0.077 R)
• M65: 43,331,622 km (0.096 R)
• M66: 44,485,171 km (0.062 R)
• M67: 45,110,490 km (0.101 R)
• M68: 45,200,099 km (0.066 R)
• M69: 46,008,975 km (0.107 R)
• M70: 46,641,325 km (0.042 R)
• M71: 47,276,667 km (0.089 R)
• M72: 47,640,938 km (0.101 R)
• M73: 47,823,447 km (0.117 R)
• M74: 50,868,063 km (0.084 R)
• M75: 50,961,412 km (0.088 R)
• M76: 51,241,459 km (0.11 R)
• M77: 52,555,078 km (0.059 R)
• M78: 56,562,207 km (0.111 R)
• M79: 57,627,793 km (0.091 R)
• M80: 59,484,003 km (0.112 R)
• M81: 60,468,806 km (0.099 R)
• M82: 61,161,444 km (0.085 R)
• M83: 63,455,378 km (0.119 R)
• M84: 63,957,877 km (0.115 R)
• M85: 64,966,615 km (0.069 R)
• M86: 65,777,436 km (0.083 R)
• M87: 65,980,739 km (0.094 R)
• M88: 66,387,795 km (0.102 R)
• M89: 67,716,673 km (0.113 R)

Kuiper Belt

Range: 31.4 - 53.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 13,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit