🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.3

Radius: 9.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.9 AU - 1.5 AU

Year: 907 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,949,850 km

• M1: 115,639 km (0.072 R)
• M2: 516,262 km (0.078 R)
• M3: 889,359 km (0.076 R)
• M4: 1,232,088 km (0.07 R)
• M5: 1,647,970 km (0.106 R)
• M6: 2,202,829 km (0.1 R)
• M7: 2,509,055 km (0.047 R)
• M8: 5,007,340 km (0.07 R)
• M9: 5,905,825 km (0.114 R)
• M10: 6,344,745 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 9.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.48 AU - 2.12 AU

Year: 1667 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,949,850 km

• M1: 118,182 km (0.106 R)
• M2: 425,307 km (0.044 R)
• M3: 1,168,659 km (0.049 R)
• M4: 1,669,811 km (0.098 R)
• M5: 2,286,903 km (0.113 R)
• M6: 3,733,364 km (0.098 R)
• M7: 4,587,718 km (0.085 R)
• M8: 4,975,476 km (0.043 R)
• M9: 5,691,002 km (0.115 R)
• M10: 5,987,206 km (0.119 R)
• M11: 6,938,499 km (0.093 R)
• M12: 8,171,933 km (0.104 R)
• M13: 9,904,576 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.5

Radius: 15

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.47 AU - 2.75 AU

Year: 2911 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,949,850 km

• M1: 186,698 km (0.08 R)
• M2: 982,110 km (0.039 R)
• M3: 1,924,427 km (0.102 R)
• M4: 2,953,062 km (0.072 R)
• M5: 3,842,272 km (0.061 R)
• M6: 5,002,702 km (0.086 R)
• M7: 5,817,712 km (0.047 R)
• M8: 7,423,794 km (0.049 R)
• M9: 8,514,512 km (0.032 R)
• M10: 10,544,705 km (0.026 R)
• M11: 11,322,913 km (0.078 R)
• M12: 12,030,511 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.4

Radius: 14.8

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.86 AU - 5.14 AU

Year: 7717 Days

Day: 13.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,949,850 km

• M1: 184,454 km (0.081 R)
• M2: 1,187,358 km (0.099 R)
• M3: 1,717,084 km (0.102 R)
• M4: 2,226,166 km (0.073 R)
• M5: 2,894,270 km (0.035 R)
• M6: 4,122,768 km (0.095 R)
• M7: 4,611,354 km (0.112 R)
• M8: 5,167,709 km (0.111 R)
• M9: 6,654,113 km (0.084 R)
• M10: 7,330,296 km (0.114 R)
• M11: 8,450,634 km (0.104 R)
• M12: 9,158,830 km (0.051 R)
• M13: 13,870,415 km (0.069 R)
• M14: 14,445,320 km (0.041 R)
• M15: 15,459,444 km (0.057 R)
• M16: 16,329,655 km (0.071 R)
• M17: 24,178,756 km (0.065 R)
• M18: 30,618,645 km (0.114 R)
• M19: 31,892,022 km (0.108 R)
• M20: 33,919,672 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.1

Radius: 7.9

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.5 AU - 8.84 AU

Year: 13252 Days

Day: 24.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,949,850 km

• M1: 114,891 km (0.113 R)
• M2: 985,700 km (0.083 R)
• M3: 2,506,662 km (0.058 R)
• M4: 3,285,319 km (0.099 R)
• M5: 3,743,388 km (0.113 R)
• M6: 4,188,740 km (0.047 R)
• M7: 7,762,634 km (0.083 R)
• M8: 9,923,874 km (0.114 R)
• M9: 12,628,903 km (0.098 R)
• M10: 18,760,022 km (0.081 R)
• M11: 25,872,353 km (0.087 R)
• M12: 26,622,138 km (0.049 R)
• M13: 30,797,714 km (0.069 R)
• M14: 42,324,529 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.7

Radius: 7.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.53 AU - 8.13 AU

Year: 15124 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,949,850 km

• M1: 90,806 km (0.05 R)
• M2: 342,130 km (0.097 R)
• M3: 1,376,749 km (0.072 R)
• M4: 1,603,988 km (0.104 R)
• M5: 2,442,784 km (0.101 R)
• M6: 3,146,342 km (0.097 R)
• M7: 3,570,004 km (0.115 R)
• M8: 4,589,214 km (0.117 R)
• M9: 5,229,493 km (0.086 R)
• M10: 6,463,526 km (0.101 R)
• M11: 10,479,630 km (0.095 R)
• M12: 12,768,627 km (0.093 R)
• M13: 14,722,226 km (0.054 R)
• M14: 16,380,817 km (0.07 R)
• M15: 17,577,451 km (0.108 R)
• M16: 17,940,225 km (0.077 R)
• M17: 22,182,971 km (0.118 R)
• M18: 22,692,052 km (0.068 R)
• M19: 26,666,718 km (0.11 R)
• M20: 34,583,288 km (0.118 R)
• M21: 44,871,582 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.7

Radius: 7.3

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.21 AU - 9.93 AU

Year: 18855 Days

Day: 18.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,949,850 km

• M1: 91,105 km (0.058 R)
• M2: 374,892 km (0.088 R)
• M3: 706,401 km (0.106 R)
• M4: 1,146,518 km (0.108 R)
• M5: 1,549,984 km (0.118 R)
• M6: 3,099,069 km (0.094 R)
• M7: 3,947,140 km (0.073 R)
• M8: 4,408,200 km (0.101 R)
• M9: 5,477,077 km (0.095 R)
• M10: 7,032,297 km (0.06 R)
• M11: 7,709,825 km (0.082 R)
• M12: 8,272,164 km (0.113 R)
• M13: 8,971,534 km (0.1 R)
• M14: 9,767,993 km (0.106 R)
• M15: 10,123,438 km (0.1 R)
• M16: 10,610,827 km (0.096 R)
• M17: 14,547,047 km (0.095 R)
• M18: 14,855,218 km (0.104 R)
• M19: 15,246,417 km (0.097 R)
• M20: 17,827,429 km (0.109 R)
• M21: 21,769,781 km (0.114 R)
• M22: 25,358,634 km (0.101 R)
• M23: 35,875,065 km (0.098 R)
• M24: 39,191,800 km (0.103 R)
• M25: 54,135,580 km (0.068 R)
• M26: 57,904,848 km (0.109 R)
• M27: 58,873,793 km (0.065 R)
• M28: 59,460,366 km (0.112 R)
• M29: 62,654,431 km (0.107 R)
• M30: 72,024,493 km (0.051 R)
• M31: 73,370,425 km (0.047 R)
• M32: 76,112,405 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.2

Radius: 6.3

Gravity: 23.06 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 9.25 AU - 10.57 AU

Year: 21534 Days

Day: 20.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,949,850 km

• M1: 495,468 km (0.073 R)
• M2: 803,341 km (0.093 R)
• M3: 1,249,292 km (0.048 R)
• M4: 1,715,140 km (0.04 R)
• M5: 2,290,792 km (0.094 R)
• M6: 2,525,212 km (0.072 R)
• M7: 3,326,309 km (0.107 R)
• M8: 4,390,698 km (0.083 R)
• M9: 5,136,892 km (0.039 R)
• M10: 6,052,131 km (0.098 R)
• M11: 8,979,163 km (0.073 R)
• M12: 16,196,513 km (0.063 R)
• M13: 16,625,859 km (0.113 R)
• M14: 20,537,843 km (0.091 R)
• M15: 21,040,941 km (0.075 R)
• M16: 21,346,719 km (0.114 R)
• M17: 23,027,750 km (0.087 R)
• M18: 23,790,250 km (0.095 R)
• M19: 24,682,153 km (0.074 R)
• M20: 25,596,196 km (0.101 R)
• M21: 26,414,197 km (0.049 R)
• M22: 37,036,992 km (0.041 R)
• M23: 37,781,989 km (0.106 R)
• M24: 40,233,599 km (0.09 R)
• M25: 45,791,160 km (0.118 R)
• M26: 51,469,596 km (0.094 R)
• M27: 52,397,103 km (0.029 R)
• M28: 53,714,462 km (0.111 R)
• M29: 71,284,433 km (0.114 R)
• M30: 71,974,378 km (0.093 R)
• M31: 76,687,309 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.1

Radius: 7.4

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.33 AU - 11.67 AU

Year: 21828 Days

Day: 15.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,949,850 km

• M1: 92,003 km (0.077 R)
• M2: 377,286 km (0.112 R)
• M3: 642,523 km (0.093 R)
• M4: 998,566 km (0.045 R)
• M5: 1,310,477 km (0.055 R)
• M6: 1,950,158 km (0.055 R)
• M7: 2,197,593 km (0.107 R)
• M8: 2,936,307 km (0.119 R)
• M9: 3,179,254 km (0.09 R)
• M10: 3,675,021 km (0.073 R)
• M11: 5,198,526 km (0.115 R)
• M12: 7,246,820 km (0.102 R)
• M13: 7,794,498 km (0.114 R)
• M14: 8,209,782 km (0.115 R)
• M15: 9,141,327 km (0.112 R)
• M16: 12,219,304 km (0.03 R)
• M17: 13,504,948 km (0.101 R)
• M18: 14,256,827 km (0.028 R)
• M19: 15,356,072 km (0.081 R)
• M20: 16,680,312 km (0.082 R)
• M21: 21,307,524 km (0.088 R)
• M22: 23,269,500 km (0.101 R)
• M23: 24,348,998 km (0.103 R)
• M24: 24,679,310 km (0.085 R)
• M25: 25,348,910 km (0.057 R)
• M26: 31,018,520 km (0.107 R)
• M27: 36,752,606 km (0.047 R)
• M28: 38,511,877 km (0.1 R)
• M29: 42,197,819 km (0.08 R)
• M30: 45,443,644 km (0.106 R)
• M31: 50,618,684 km (0.086 R)
• M32: 63,358,289 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 17,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit