🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.9

Radius: 15

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.55 AU - 0.73 AU

Year: 341 Days

Day: 11.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 84,109,474 km

• M1: 186,549 km (0.084 R)
• M2: 872,305 km (0.073 R)
• M3: 1,381,387 km (0.075 R)
• M4: 2,189,365 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.1

Radius: 12

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.78 AU - 1.06 AU

Year: 588 Days

Day: 10.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,109,474 km

• M1: 149,299 km (0.075 R)
• M2: 526,884 km (0.108 R)
• M3: 910,004 km (0.107 R)
• M4: 1,682,976 km (0.11 R)
• M5: 2,415,108 km (0.067 R)
• M6: 2,888,136 km (0.079 R)
• M7: 4,064,574 km (0.071 R)
• M8: 5,151,851 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.1

Radius: 14.1

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.33 AU - 1.67 AU

Year: 1225 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,109,474 km

• M1: 175,329 km (0.092 R)
• M2: 648,058 km (0.071 R)
• M3: 1,146,069 km (0.065 R)
• M4: 1,586,037 km (0.097 R)
• M5: 2,209,411 km (0.066 R)
• M6: 2,734,948 km (0.111 R)
• M7: 3,420,705 km (0.115 R)
• M8: 3,888,946 km (0.054 R)
• M9: 4,624,968 km (0.083 R)
• M10: 5,778,816 km (0.108 R)
• M11: 6,616,863 km (0.034 R)
• M12: 7,297,534 km (0.109 R)
• M13: 8,248,976 km (0.108 R)
• M14: 8,740,106 km (0.093 R)
• M15: 10,006,003 km (0.047 R)
• M16: 11,496,896 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.6

Radius: 8.7

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.25 AU - 1.97 AU

Year: 1362 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,109,474 km

• M1: 108,159 km (0.08 R)
• M2: 433,535 km (0.104 R)
• M3: 999,613 km (0.044 R)
• M4: 1,468,303 km (0.108 R)
• M5: 2,066,695 km (0.1 R)
• M6: 2,404,038 km (0.116 R)
• M7: 2,958,298 km (0.057 R)
• M8: 3,250,911 km (0.117 R)
• M9: 3,627,599 km (0.119 R)
• M10: 4,229,281 km (0.08 R)
• M11: 4,659,674 km (0.056 R)
• M12: 5,223,060 km (0.059 R)
• M13: 5,543,050 km (0.039 R)
• M14: 6,105,687 km (0.037 R)
• M15: 7,638,318 km (0.071 R)
• M16: 8,363,867 km (0.116 R)
• M17: 8,684,306 km (0.101 R)
• M18: 9,855,209 km (0.101 R)
• M19: 11,409,231 km (0.088 R)
• M20: 12,133,434 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.6

Radius: 8.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.51 AU - 1.85 AU

Year: 1452 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,109,474 km

• M1: 108,907 km (0.059 R)
• M2: 923,617 km (0.106 R)
• M3: 1,355,357 km (0.112 R)
• M4: 1,720,226 km (0.111 R)
• M5: 3,348,449 km (0.065 R)
• M6: 3,914,079 km (0.071 R)
• M7: 4,292,711 km (0.039 R)
• M8: 4,888,858 km (0.085 R)
• M9: 5,656,146 km (0.045 R)
• M10: 6,808,648 km (0.081 R)
• M11: 7,476,004 km (0.061 R)
• M12: 8,135,731 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.7

Radius: 9.1

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.42 AU - 4.44 AU

Year: 5195 Days

Day: 13.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,109,474 km

• M1: 113,246 km (0.1 R)
• M2: 427,850 km (0.08 R)
• M3: 1,272,779 km (0.095 R)
• M4: 2,042,609 km (0.053 R)
• M5: 2,385,787 km (0.095 R)
• M6: 2,715,501 km (0.074 R)
• M7: 3,132,280 km (0.055 R)
• M8: 3,591,546 km (0.099 R)
• M9: 4,210,432 km (0.111 R)
• M10: 5,243,106 km (0.083 R)
• M11: 6,561,512 km (0.096 R)
• M12: 7,660,009 km (0.105 R)
• M13: 8,015,903 km (0.088 R)
• M14: 11,411,176 km (0.086 R)
• M15: 13,500,310 km (0.053 R)
• M16: 13,967,953 km (0.071 R)
• M17: 15,267,659 km (0.115 R)
• M18: 17,857,049 km (0.112 R)
• M19: 19,715,503 km (0.095 R)
• M20: 25,426,402 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.1

Radius: 5.5

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.12 AU - 9.04 AU

Year: 15316 Days

Day: 24.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 84,109,474 km

• M1: 187,297 km (0.081 R)
• M2: 398,978 km (0.063 R)
• M3: 652,097 km (0.086 R)
• M4: 946,805 km (0.117 R)
• M5: 1,301,501 km (0.052 R)
• M6: 2,055,624 km (0.111 R)
• M7: 5,317,756 km (0.115 R)
• M8: 6,388,427 km (0.107 R)
• M9: 7,595,682 km (0.053 R)
• M10: 8,118,527 km (0.042 R)
• M11: 10,138,846 km (0.091 R)
• M12: 11,209,219 km (0.062 R)
• M13: 11,488,219 km (0.078 R)
• M14: 14,082,096 km (0.038 R)
• M15: 19,176,801 km (0.077 R)
• M16: 19,899,210 km (0.093 R)
• M17: 20,723,195 km (0.058 R)
• M18: 22,882,042 km (0.109 R)
• M19: 26,345,531 km (0.11 R)
• M20: 26,838,756 km (0.048 R)
• M21: 31,228,406 km (0.098 R)
• M22: 31,448,614 km (0.063 R)
• M23: 31,892,172 km (0.118 R)
• M24: 39,055,067 km (0.104 R)
• M25: 41,396,274 km (0.087 R)
• M26: 42,872,207 km (0.117 R)
• M27: 43,280,758 km (0.107 R)
• M28: 45,503,484 km (0.037 R)
• M29: 46,930,647 km (0.119 R)
• M30: 47,801,008 km (0.079 R)
• M31: 48,978,343 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.7

Radius: 3.6

Gravity: 51.98 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.52 AU - 12.94 AU

Year: 23438 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,109,474 km

• M1: 45,029 km (0.115 R)
• M2: 311,762 km (0.113 R)
• M3: 443,408 km (0.092 R)
• M4: 727,494 km (0.106 R)
• M5: 2,477,191 km (0.109 R)
• M6: 3,205,284 km (0.065 R)
• M7: 3,837,634 km (0.118 R)
• M8: 5,225,603 km (0.113 R)
• M9: 6,916,807 km (0.106 R)
• M10: 9,517,117 km (0.086 R)
• M11: 11,661,603 km (0.038 R)
• M12: 11,864,906 km (0.104 R)
• M13: 13,653,050 km (0.073 R)
• M14: 14,887,083 km (0.117 R)
• M15: 15,860,067 km (0.042 R)
• M16: 16,788,471 km (0.089 R)
• M17: 18,384,980 km (0.071 R)
• M18: 19,408,828 km (0.101 R)
• M19: 20,470,075 km (0.096 R)
• M20: 22,707,461 km (0.049 R)
• M21: 25,102,523 km (0.048 R)
• M22: 25,441,661 km (0.097 R)
• M23: 29,251,320 km (0.097 R)
• M24: 29,501,298 km (0.104 R)
• M25: 30,387,367 km (0.093 R)
• M26: 34,248,039 km (0.113 R)
• M27: 38,873,455 km (0.026 R)
• M28: 42,603,529 km (0.104 R)
• M29: 42,924,715 km (0.118 R)
• M30: 52,771,995 km (0.111 R)
• M31: 56,168,615 km (0.115 R)
• M32: 58,710,582 km (0.097 R)
• M33: 64,866,684 km (0.073 R)
• M34: 65,291,691 km (0.105 R)
• M35: 68,539,012 km (0.093 R)
• M36: 72,575,911 km (0.099 R)
• M37: 72,804,646 km (0.113 R)
• M38: 76,058,699 km (0.11 R)
• M39: 81,860,104 km (0.033 R)
• M40: 82,854,781 km (0.149 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 11,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit