🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 11.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.64 AU - 0.86 AU

Year: 433 Days

Day: 6.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,121,035 km

• M1: 146,307 km (0.077 R)
• M2: 555,756 km (0.114 R)
• M3: 931,546 km (0.072 R)
• M4: 1,568,234 km (0.074 R)
• M5: 2,028,248 km (0.07 R)
• M6: 3,156,216 km (0.104 R)
• M7: 3,872,042 km (0.12 R)
• M8: 4,340,133 km (0.096 R)
• M9: 6,012,189 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 8.2

Gravity: 14.5 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.93 AU - 1.49 AU

Year: 888 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,121,035 km

• M1: 102,026 km (0.11 R)
• M2: 369,208 km (0.111 R)
• M3: 703,708 km (0.108 R)
• M4: 964,607 km (0.093 R)
• M5: 1,269,787 km (0.072 R)
• M6: 1,604,736 km (0.035 R)
• M7: 1,869,973 km (0.094 R)
• M8: 2,262,219 km (0.103 R)
• M9: 2,887,538 km (0.09 R)
• M10: 3,384,652 km (0.11 R)
• M11: 3,669,187 km (0.07 R)
• M12: 5,854,363 km (0.088 R)
• M13: 6,199,934 km (0.094 R)
• M14: 7,051,296 km (0.116 R)
• M15: 8,349,506 km (0.051 R)
• M16: 9,270,281 km (0.093 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.2

Radius: 6.6

Gravity: 17.75 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.78 AU - 7.68 AU

Year: 11643 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 55,121,035 km

• M1: 82,129 km (0.101 R)
• M2: 448,494 km (0.1 R)
• M3: 893,099 km (0.076 R)
• M4: 1,305,840 km (0.059 R)
• M5: 1,646,923 km (0.095 R)
• M6: 2,046,050 km (0.111 R)
• M7: 3,084,558 km (0.089 R)
• M8: 3,353,535 km (0.1 R)
• M9: 7,142,850 km (0.049 R)
• M10: 7,527,765 km (0.096 R)
• M11: 7,747,674 km (0.054 R)
• M12: 8,108,354 km (0.101 R)
• M13: 9,257,864 km (0.119 R)
• M14: 11,066,951 km (0.103 R)
• M15: 11,466,677 km (0.12 R)
• M16: 12,054,447 km (0.037 R)
• M17: 12,477,659 km (0.11 R)
• M18: 15,580,169 km (0.104 R)
• M19: 18,998,930 km (0.09 R)
• M20: 20,753,114 km (0.087 R)
• M21: 22,521,511 km (0.103 R)
• M22: 23,817,477 km (0.045 R)
• M23: 24,773,108 km (0.081 R)
• M24: 29,175,175 km (0.102 R)
• M25: 29,391,793 km (0.059 R)
• M26: 29,609,458 km (0.113 R)
• M27: 30,379,588 km (0.063 R)
• M28: 31,845,348 km (0.037 R)
• M29: 36,776,393 km (0.073 R)
• M30: 40,421,644 km (0.11 R)
• M31: 42,470,088 km (0.073 R)
• M32: 44,730,212 km (0.082 R)
• M33: 45,307,660 km (0.118 R)
• M34: 49,488,920 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.8

Radius: 5.5

Gravity: 20.99 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.92 AU - 7.62 AU

Year: 11747 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,121,035 km

• M1: 74,500 km (0.12 R)
• M2: 277,205 km (0.081 R)
• M3: 515,963 km (0.092 R)
• M4: 1,499,569 km (0.115 R)
• M5: 1,918,742 km (0.069 R)
• M6: 2,919,402 km (0.118 R)
• M7: 3,150,531 km (0.098 R)
• M8: 3,702,099 km (0.116 R)
• M9: 4,866,419 km (0.066 R)
• M10: 5,292,473 km (0.119 R)
• M11: 9,894,702 km (0.102 R)
• M12: 12,213,320 km (0.076 R)
• M13: 13,246,891 km (0.053 R)
• M14: 15,006,162 km (0.108 R)
• M15: 16,695,721 km (0.086 R)
• M16: 25,394,987 km (0.112 R)
• M17: 27,989,014 km (0.098 R)
• M18: 29,243,691 km (0.106 R)
• M19: 37,317,937 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.4

Radius: 3.1

Gravity: 32.4 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.23 AU - 7.91 AU

Year: 13889 Days

Day: 16.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,121,035 km

• M1: 41,887 km (0.051 R)
• M2: 348,114 km (0.105 R)
• M3: 520,002 km (0.079 R)
• M4: 696,378 km (0.085 R)
• M5: 1,023,399 km (0.114 R)
• M6: 2,037,972 km (0.102 R)
• M7: 2,534,188 km (0.051 R)
• M8: 2,950,519 km (0.109 R)
• M9: 3,386,597 km (0.106 R)
• M10: 3,683,249 km (0.079 R)
• M11: 4,188,142 km (0.053 R)
• M12: 5,268,388 km (0.09 R)
• M13: 5,977,482 km (0.087 R)
• M14: 6,940,892 km (0.077 R)
• M15: 10,495,039 km (0.077 R)
• M16: 13,038,950 km (0.098 R)
• M17: 14,708,463 km (0.079 R)
• M18: 18,690,160 km (0.11 R)
• M19: 20,003,479 km (0.039 R)
• M20: 33,123,961 km (0.086 R)
• M21: 34,242,953 km (0.076 R)
• M22: 36,555,885 km (0.076 R)
• M23: 38,724,755 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.1

Radius: 7.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.47 AU - 12.47 AU

Year: 22592 Days

Day: 19.9 Hours

Environment

Temp: -246 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,121,035 km

• M1: 103,821 km (0.096 R)
• M2: 537,206 km (0.118 R)
• M3: 1,168,060 km (0.101 R)
• M4: 2,476,443 km (0.061 R)
• M5: 2,952,464 km (0.12 R)
• M6: 6,650,074 km (0.087 R)
• M7: 7,656,718 km (0.11 R)
• M8: 9,251,581 km (0.042 R)
• M9: 11,112,878 km (0.115 R)
• M10: 11,455,307 km (0.107 R)
• M11: 11,863,710 km (0.109 R)
• M12: 12,161,409 km (0.053 R)
• M13: 13,084,279 km (0.055 R)
• M14: 14,319,359 km (0.082 R)
• M15: 14,725,068 km (0.101 R)
• M16: 15,772,851 km (0.12 R)
• M17: 16,205,489 km (0.098 R)
• M18: 18,409,664 km (0.115 R)
• M19: 19,542,119 km (0.063 R)
• M20: 21,326,822 km (0.113 R)
• M21: 22,484,560 km (0.113 R)
• M22: 24,442,497 km (0.088 R)
• M23: 26,410,158 km (0.089 R)
• M24: 29,665,108 km (0.102 R)
• M25: 35,709,311 km (0.081 R)
• M26: 39,149,314 km (0.065 R)
• M27: 39,412,606 km (0.106 R)
• M28: 40,075,923 km (0.089 R)
• M29: 43,787,297 km (0.045 R)
• M30: 44,642,099 km (0.078 R)
• M31: 49,389,737 km (0.095 R)
• M32: 53,973,565 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 16,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit