🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.8

Radius: 14.7

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.98 AU - 1.44 AU

Year: 859 Days

Day: 5.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,703,233 km

• M1: 182,809 km (0.072 R)
• M2: 867,668 km (0.113 R)
• M3: 1,445,564 km (0.076 R)
• M4: 2,330,735 km (0.119 R)
• M5: 3,267,965 km (0.05 R)
• M6: 3,831,650 km (0.085 R)
• M7: 4,799,848 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 9.7

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.82 AU - 2.56 AU

Year: 2093 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,703,233 km

• M1: 120,725 km (0.103 R)
• M2: 439,369 km (0.071 R)
• M3: 780,302 km (0.117 R)
• M4: 1,148,463 km (0.114 R)
• M5: 1,543,401 km (0.101 R)
• M6: 2,112,621 km (0.088 R)
• M7: 2,742,727 km (0.08 R)
• M8: 3,598,128 km (0.118 R)
• M9: 5,167,709 km (0.081 R)
• M10: 6,309,739 km (0.11 R)
• M11: 6,816,427 km (0.059 R)
• M12: 7,760,689 km (0.091 R)
• M13: 8,405,605 km (0.109 R)
• M14: 9,320,546 km (0.112 R)
• M15: 10,084,991 km (0.118 R)
• M16: 10,592,726 km (0.107 R)
• M17: 11,777,840 km (0.116 R)
• M18: 12,671,089 km (0.12 R)
• M19: 16,154,924 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.9

Radius: 14.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.21 AU - 2.67 AU

Year: 2461 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,703,233 km

• M1: 181,612 km (0.096 R)
• M2: 816,655 km (0.051 R)
• M3: 1,666,221 km (0.052 R)
• M4: 2,177,547 km (0.092 R)
• M5: 3,041,325 km (0.1 R)
• M6: 4,084,919 km (0.045 R)
• M7: 4,875,843 km (0.064 R)
• M8: 5,570,875 km (0.082 R)
• M9: 6,847,992 km (0.099 R)
• M10: 7,570,999 km (0.041 R)
• M11: 9,376,196 km (0.084 R)
• M12: 9,977,131 km (0.102 R)
• M13: 10,717,042 km (0.1 R)
• M14: 11,653,076 km (0.045 R)
• M15: 12,474,069 km (0.098 R)
• M16: 13,643,326 km (0.091 R)
• M17: 14,509,198 km (0.104 R)
• M18: 15,802,173 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.5

Radius: 8.4

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3 AU - 4.74 AU

Year: 4916 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,703,233 km

• M1: 104,569 km (0.104 R)
• M2: 385,663 km (0.073 R)
• M3: 891,005 km (0.075 R)
• M4: 1,226,852 km (0.067 R)
• M5: 2,353,623 km (0.118 R)
• M6: 3,268,265 km (0.114 R)
• M7: 3,586,459 km (0.077 R)
• M8: 5,336,605 km (0.073 R)
• M9: 6,097,759 km (0.047 R)
• M10: 6,366,885 km (0.038 R)
• M11: 7,026,163 km (0.077 R)
• M12: 7,974,913 km (0.099 R)
• M13: 8,333,798 km (0.116 R)
• M14: 11,786,966 km (0.115 R)
• M15: 14,984,770 km (0.079 R)
• M16: 21,274,463 km (0.115 R)
• M17: 23,611,481 km (0.118 R)
• M18: 25,032,062 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.6

Radius: 8.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.15 AU - 5.45 AU

Year: 7878 Days

Day: 10.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,703,233 km

• M1: 109,506 km (0.097 R)
• M2: 424,559 km (0.063 R)
• M3: 725,101 km (0.108 R)
• M4: 1,291,329 km (0.064 R)
• M5: 1,837,660 km (0.089 R)
• M6: 2,172,311 km (0.116 R)
• M7: 2,733,602 km (0.112 R)
• M8: 3,635,827 km (0.088 R)
• M9: 6,728,314 km (0.08 R)
• M10: 8,581,532 km (0.116 R)
• M11: 9,162,421 km (0.116 R)
• M12: 9,728,200 km (0.097 R)
• M13: 10,576,420 km (0.105 R)
• M14: 13,315,108 km (0.104 R)
• M15: 15,514,795 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.4

Radius: 5.4

Gravity: 24.43 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.52 AU - 10.5 AU

Year: 16029 Days

Day: 20.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,703,233 km

• M1: 67,469 km (0.115 R)
• M2: 813,962 km (0.097 R)
• M3: 2,046,648 km (0.094 R)
• M4: 2,369,331 km (0.119 R)
• M5: 3,656,022 km (0.081 R)
• M6: 6,748,061 km (0.089 R)
• M7: 7,098,868 km (0.06 R)
• M8: 7,836,834 km (0.095 R)
• M9: 8,175,374 km (0.079 R)
• M10: 8,523,488 km (0.063 R)
• M11: 11,674,019 km (0.095 R)
• M12: 12,179,511 km (0.1 R)
• M13: 16,682,107 km (0.053 R)
• M14: 18,399,641 km (0.108 R)
• M15: 21,706,501 km (0.062 R)
• M16: 22,566,839 km (0.087 R)
• M17: 37,107,752 km (0.055 R)
• M18: 41,307,862 km (0.105 R)
• M19: 49,646,447 km (0.072 R)
• M20: 51,304,590 km (0.088 R)
• M21: 59,223,852 km (0.12 R)
• M22: 66,315,539 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.3

Radius: 6.4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.71 AU - 9.47 AU

Year: 16256 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,703,233 km

• M1: 83,027 km (0.097 R)
• M2: 296,503 km (0.107 R)
• M3: 1,489,396 km (0.075 R)
• M4: 1,938,639 km (0.067 R)
• M5: 2,327,294 km (0.066 R)
• M6: 2,686,628 km (0.113 R)
• M7: 2,932,118 km (0.088 R)
• M8: 3,835,689 km (0.041 R)
• M9: 7,055,634 km (0.118 R)
• M10: 9,425,115 km (0.095 R)
• M11: 13,541,001 km (0.06 R)
• M12: 19,087,342 km (0.101 R)
• M13: 19,614,674 km (0.081 R)
• M14: 21,496,316 km (0.109 R)
• M15: 29,324,923 km (0.074 R)
• M16: 31,359,902 km (0.05 R)
• M17: 41,062,372 km (0.11 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 14,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit