🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.56 AU - 0.62 AU

Year: 204 Days

Day: 35.1 Hours

Environment

Temp: -12 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,497,440 km

• M1: 230,530 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.6 AU - 0.78 AU

Year: 258 Days

Day: 19.1 Hours

Environment

Temp: -31 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.79 AU - 0.83 AU

Year: 328 Days

Day: 35.2 Hours

Environment

Temp: -55 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.67 AU - 1.01 AU

Year: 346 Days

Day: 26.9 Hours

Environment

Temp: -63 °C

Axial Tilt: 46.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,497,440 km

• M1: 46,974 km (0.109 R)
• M2: 533,167 km (0.037 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.75 AU - 0.97 AU

Year: 359 Days

Day: 32.9 Hours

Environment

Temp: -65 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.89 AU - 1.15 AU

Year: 463 Days

Day: 38.7 Hours

Environment

Temp: -80 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,497,440 km

• M1: 635,641 km (0.109 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 10

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.45 AU - 3.47 AU

Year: 2290 Days

Day: 14.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 79,497,440 km

• M1: 203,453 km (0.05 R)
• M2: 269,725 km (0.056 R)
• M3: 335,398 km (0.12 R)
• M4: 504,294 km (0.114 R)
• M5: 592,108 km (0.1 R)
• M6: 668,254 km (0.067 R)
• M7: 938,427 km (0.107 R)
• M8: 1,050,027 km (0.115 R)
• M9: 1,264,850 km (0.076 R)
• M10: 1,343,538 km (0.091 R)
• M11: 1,494,184 km (0.105 R)
• M12: 1,589,627 km (0.027 R)
• M13: 1,774,530 km (0.091 R)
• M14: 1,863,241 km (0.069 R)
• M15: 1,953,449 km (0.078 R)
• M16: 2,274,336 km (0.106 R)
• M17: 2,357,214 km (0.038 R)
• M18: 2,713,406 km (0.097 R)
• M19: 2,845,950 km (0.113 R)
• M20: 3,041,175 km (0.053 R)
• M21: 3,178,955 km (0.109 R)
• M22: 3,540,533 km (0.115 R)
• M23: 3,621,016 km (0.05 R)
• M24: 3,701,949 km (0.078 R)
• M25: 4,183,804 km (0.056 R)
• M26: 4,650,250 km (0.077 R)
• M27: 4,720,710 km (0.086 R)
• M28: 4,898,732 km (0.115 R)
• M29: 5,096,949 km (0.107 R)
• M30: 5,298,009 km (0.071 R)
• M31: 5,501,611 km (0.073 R)
• M32: 5,576,261 km (0.117 R)
• M33: 5,821,302 km (0.107 R)
• M34: 6,166,574 km (0.1 R)
• M35: 6,302,558 km (0.059 R)
• M36: 6,716,795 km (0.077 R)
• M37: 6,856,818 km (0.071 R)
• M38: 6,937,302 km (0.041 R)
• M39: 7,180,548 km (0.106 R)
• M40: 7,365,002 km (0.118 R)
• M41: 7,738,399 km (0.08 R)
• M42: 8,310,012 km (0.085 R)
• M43: 8,503,592 km (0.115 R)
• M44: 8,611,901 km (0.107 R)
• M45: 8,698,817 km (0.115 R)
• M46: 8,829,715 km (0.066 R)
• M47: 9,071,316 km (0.068 R)
• M48: 9,651,307 km (0.073 R)
• M49: 9,719,074 km (0.086 R)
• M50: 9,832,320 km (0.113 R)
• M51: 9,900,387 km (0.069 R)
• M52: 10,266,453 km (0.051 R)
• M53: 10,335,567 km (0.116 R)
• M54: 10,520,620 km (0.083 R)
• M55: 11,082,509 km (0.082 R)
• M56: 11,774,400 km (0.104 R)
• M57: 11,943,595 km (0.064 R)
• M58: 12,016,299 km (0.106 R)
• M59: 12,505,036 km (0.086 R)
• M60: 12,950,388 km (0.088 R)
• M61: 13,050,021 km (0.104 R)
• M62: 13,805,789 km (0.084 R)
• M63: 14,061,003 km (0.095 R)
• M64: 14,137,747 km (0.118 R)
• M65: 14,757,531 km (0.095 R)
• M66: 14,835,621 km (0.075 R)
• M67: 15,307,004 km (0.103 R)
• M68: 15,412,470 km (0.069 R)
• M69: 15,677,109 km (0.094 R)
• M70: 16,723,546 km (0.04 R)
• M71: 17,022,742 km (0.107 R)
• M72: 17,323,882 km (0.107 R)
• M73: 17,820,248 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.4

Radius: 9.7

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.81 AU - 3.81 AU

Year: 2707 Days

Day: 11.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 79,497,440 km

• M1: 122,371 km (0.025 R)
• M2: 210,335 km (0.099 R)
• M3: 285,433 km (0.061 R)
• M4: 452,534 km (0.103 R)
• M5: 570,117 km (0.11 R)
• M6: 698,921 km (0.044 R)
• M7: 906,413 km (0.048 R)
• M8: 1,080,695 km (0.071 R)
• M9: 1,155,644 km (0.103 R)
• M10: 1,277,416 km (0.116 R)
• M11: 1,403,527 km (0.081 R)
• M12: 1,533,977 km (0.1 R)
• M13: 1,631,365 km (0.092 R)
• M14: 1,756,279 km (0.072 R)
• M15: 1,871,320 km (0.117 R)
• M16: 2,329,089 km (0.102 R)
• M17: 2,527,606 km (0.106 R)
• M18: 3,281,579 km (0.112 R)
• M19: 3,585,562 km (0.108 R)
• M20: 3,815,344 km (0.099 R)
• M21: 3,915,425 km (0.071 R)
• M22: 4,067,117 km (0.068 R)
• M23: 4,203,551 km (0.087 R)
• M24: 4,498,558 km (0.101 R)
• M25: 4,854,451 km (0.073 R)
• M26: 4,999,411 km (0.115 R)
• M27: 5,145,718 km (0.117 R)
• M28: 5,330,621 km (0.111 R)
• M29: 5,405,270 km (0.044 R)
• M30: 5,480,219 km (0.106 R)
• M31: 5,802,752 km (0.111 R)
• M32: 5,937,390 km (0.081 R)
• M33: 6,170,463 km (0.083 R)
• M34: 6,486,115 km (0.118 R)
• M35: 6,605,793 km (0.096 R)
• M36: 6,766,611 km (0.069 R)
• M37: 7,174,265 km (0.108 R)
• M38: 7,318,777 km (0.072 R)
• M39: 7,422,747 km (0.118 R)
• M40: 7,589,998 km (0.091 R)
• M41: 7,864,360 km (0.069 R)
• M42: 7,949,481 km (0.063 R)
• M43: 8,597,390 km (0.107 R)
• M44: 8,685,054 km (0.074 R)
• M45: 9,555,714 km (0.055 R)
• M46: 9,623,781 km (0.101 R)
• M47: 9,852,067 km (0.092 R)
• M48: 10,383,887 km (0.087 R)
• M49: 10,664,982 km (0.061 R)
• M50: 10,972,555 km (0.077 R)
• M51: 11,211,014 km (0.11 R)
• M52: 11,354,927 km (0.046 R)
• M53: 12,354,839 km (0.091 R)
• M54: 12,453,873 km (0.06 R)
• M55: 13,255,867 km (0.114 R)
• M56: 13,535,466 km (0.108 R)
• M57: 13,688,654 km (0.111 R)
• M58: 13,894,052 km (0.072 R)
• M59: 13,971,244 km (0.117 R)
• M60: 14,463,870 km (0.086 R)
• M61: 14,725,517 km (0.082 R)
• M62: 15,094,276 km (0.078 R)
• M63: 15,519,582 km (0.116 R)
• M64: 15,921,851 km (0.113 R)
• M65: 16,246,179 km (0.102 R)
• M66: 17,204,503 km (0.108 R)
• M67: 17,315,206 km (0.103 R)
• M68: 17,620,834 km (0.113 R)
• M69: 17,956,382 km (0.032 R)
• M70: 18,406,971 km (0.085 R)
• M71: 18,576,914 km (0.087 R)
• M72: 19,118,458 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 13.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.3 AU - 6.32 AU

Year: 7126 Days

Day: 7.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 79,497,440 km

• M1: 221,854 km (0.096 R)
• M2: 325,076 km (0.088 R)
• M3: 515,514 km (0.106 R)
• M4: 638,484 km (0.113 R)
• M5: 761,603 km (0.118 R)
• M6: 844,630 km (0.104 R)
• M7: 1,087,726 km (0.089 R)
• M8: 1,197,232 km (0.095 R)
• M9: 1,642,585 km (0.028 R)
• M10: 1,951,055 km (0.099 R)
• M11: 2,155,705 km (0.03 R)
• M12: 2,403,589 km (0.105 R)
• M13: 2,567,997 km (0.057 R)
• M14: 2,985,824 km (0.118 R)
• M15: 3,182,994 km (0.111 R)
• M16: 3,425,492 km (0.099 R)
• M17: 3,673,974 km (0.064 R)
• M18: 3,885,805 km (0.105 R)
• M19: 4,167,198 km (0.07 R)
• M20: 4,343,724 km (0.107 R)
• M21: 4,477,763 km (0.105 R)
• M22: 5,527,043 km (0.111 R)
• M23: 5,745,755 km (0.087 R)
• M24: 7,197,602 km (0.106 R)
• M25: 7,841,472 km (0.063 R)
• M26: 8,616,089 km (0.105 R)
• M27: 9,184,412 km (0.055 R)
• M28: 9,560,351 km (0.067 R)
• M29: 10,000,468 km (0.087 R)
• M30: 10,417,248 km (0.097 R)
• M31: 10,961,485 km (0.032 R)
• M32: 11,145,041 km (0.09 R)
• M33: 11,608,346 km (0.061 R)
• M34: 12,842,229 km (0.092 R)
• M35: 13,132,898 km (0.086 R)
• M36: 13,491,035 km (0.095 R)
• M37: 14,017,919 km (0.116 R)
• M38: 15,501,331 km (0.063 R)
• M39: 15,638,662 km (0.083 R)
• M40: 16,576,342 km (0.045 R)
• M41: 17,176,080 km (0.06 R)
• M42: 17,425,010 km (0.117 R)
• M43: 17,711,191 km (0.091 R)
• M44: 17,854,805 km (0.076 R)
• M45: 18,143,230 km (0.041 R)
• M46: 18,396,798 km (0.111 R)
• M47: 19,164,684 km (0.113 R)
• M48: 19,719,692 km (0.106 R)
• M49: 20,130,039 km (0.094 R)
• M50: 20,317,485 km (0.102 R)
• M51: 20,543,228 km (0.102 R)
• M52: 21,454,429 km (0.065 R)
• M53: 22,378,944 km (0.081 R)
• M54: 22,534,226 km (0.07 R)
• M55: 24,826,814 km (0.059 R)
• M56: 25,391,247 km (0.12 R)
• M57: 26,000,708 km (0.085 R)
• M58: 27,524,662 km (0.064 R)
• M59: 27,774,490 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.7

Radius: 4

Gravity: 30.73 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 11.5 AU - 17.8 AU

Year: 25210 Days

Day: 22.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 79,497,440 km

• M1: 77,791 km (0.093 R)
• M2: 326,871 km (0.086 R)
• M3: 363,822 km (0.045 R)
• M4: 402,269 km (0.115 R)
• M5: 442,062 km (0.066 R)
• M6: 758,162 km (0.089 R)
• M7: 1,188,256 km (0.047 R)
• M8: 1,649,017 km (0.081 R)
• M9: 2,524,464 km (0.095 R)
• M10: 2,987,769 km (0.117 R)
• M11: 3,027,562 km (0.101 R)
• M12: 3,311,199 km (0.116 R)
• M13: 3,476,954 km (0.053 R)
• M14: 3,773,606 km (0.08 R)
• M15: 5,134,349 km (0.079 R)
• M16: 5,278,112 km (0.075 R)
• M17: 5,520,461 km (0.08 R)
• M18: 5,965,963 km (0.108 R)
• M19: 6,629,579 km (0.065 R)
• M20: 6,838,418 km (0.061 R)
• M21: 8,303,879 km (0.095 R)
• M22: 8,529,023 km (0.102 R)
• M23: 9,625,277 km (0.079 R)
• M24: 9,684,218 km (0.1 R)
• M25: 9,921,181 km (0.027 R)
• M26: 11,195,905 km (0.066 R)
• M27: 12,908,950 km (0.107 R)
• M28: 13,039,100 km (0.111 R)
• M29: 13,366,271 km (0.097 R)
• M30: 13,762,406 km (0.048 R)
• M31: 15,179,247 km (0.108 R)
• M32: 16,219,252 km (0.057 R)
• M33: 18,148,316 km (0.099 R)
• M34: 19,325,203 km (0.1 R)
• M35: 19,474,052 km (0.074 R)
• M36: 19,548,702 km (0.106 R)
• M37: 23,000,822 km (0.12 R)
• M38: 23,395,910 km (0.115 R)
• M39: 24,674,972 km (0.063 R)
• M40: 25,730,834 km (0.072 R)
• M41: 26,140,732 km (0.099 R)
• M42: 26,387,868 km (0.026 R)
• M43: 27,634,616 km (0.117 R)
• M44: 29,156,027 km (0.031 R)
• M45: 30,357,896 km (0.048 R)
• M46: 31,052,030 km (0.089 R)
• M47: 31,313,677 km (0.111 R)
• M48: 31,488,407 km (0.1 R)
• M49: 36,237,691 km (0.09 R)
• M50: 41,204,639 km (0.025 R)
• M51: 41,684,100 km (0.055 R)
• M52: 44,796,185 km (0.113 R)
• M53: 45,387,844 km (0.112 R)
• M54: 45,486,729 km (0.081 R)
• M55: 45,684,796 km (0.117 R)
• M56: 46,280,495 km (0.071 R)
• M57: 46,479,610 km (0.04 R)
• M58: 47,680,282 km (0.072 R)
• M59: 50,418,970 km (0.114 R)
• M60: 50,521,445 km (0.117 R)
• M61: 50,726,544 km (0.051 R)
• M62: 51,549,332 km (0.049 R)
• M63: 51,859,149 km (0.064 R)
• M64: 55,095,549 km (0.033 R)
• M65: 56,047,291 km (0.084 R)
• M66: 57,324,707 km (0.076 R)
• M67: 57,431,670 km (0.083 R)
• M68: 58,719,558 km (0.11 R)
• M69: 59,258,858 km (0.079 R)
• M70: 60,451,452 km (0.085 R)
• M71: 61,323,608 km (0.081 R)
• M72: 63,522,248 km (0.058 R)
• M73: 64,186,911 km (0.03 R)
• M74: 64,297,913 km (0.029 R)
• M75: 64,520,066 km (0.079 R)
• M76: 66,194,664 km (0.099 R)
• M77: 66,755,955 km (0.086 R)
• M78: 67,544,486 km (0.049 R)
• M79: 68,449,403 km (0.12 R)
• M80: 70,614,683 km (0.118 R)
• M81: 71,073,500 km (0.056 R)
• M82: 72,918,191 km (0.107 R)
• M83: 73,730,208 km (0.106 R)
• M84: 73,962,683 km (0.091 R)
• M85: 74,079,070 km (0.069 R)
• M86: 75,363,219 km (0.113 R)
• M87: 75,597,339 km (0.101 R)
• M88: 76,536,814 km (0.109 R)
• M89: 76,890,164 km (0.082 R)
• M90: 77,361,996 km (0.105 R)
• M91: 77,480,178 km (0.088 R)
• M92: 77,953,206 km (0.067 R)
• M93: 78,190,169 km (0.078 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 18,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit