🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.4

Radius: 13.6

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.71 AU - 0.85 AU

Year: 445 Days

Day: 6.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,418,585 km

• M1: 169,195 km (0.086 R)
• M2: 615,595 km (0.096 R)
• M3: 1,058,405 km (0.105 R)
• M4: 1,726,060 km (0.114 R)
• M5: 2,253,692 km (0.069 R)
• M6: 2,775,041 km (0.101 R)
• M7: 3,412,028 km (0.079 R)
• M8: 4,064,724 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 11.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.68 AU - 2.14 AU

Year: 1704 Days

Day: 11.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,418,585 km

• M1: 145,708 km (0.047 R)
• M2: 514,317 km (0.113 R)
• M3: 907,461 km (0.111 R)
• M4: 1,519,466 km (0.073 R)
• M5: 2,208,513 km (0.069 R)
• M6: 2,602,105 km (0.109 R)
• M7: 2,990,013 km (0.075 R)
• M8: 3,445,538 km (0.112 R)
• M9: 4,638,731 km (0.089 R)
• M10: 5,752,637 km (0.073 R)
• M11: 7,036,934 km (0.103 R)
• M12: 7,721,494 km (0.101 R)
• M13: 8,184,649 km (0.044 R)
• M14: 8,914,238 km (0.117 R)
• M15: 10,013,932 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 12

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.7 AU - 4.06 AU

Year: 4012 Days

Day: 12.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 142.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,418,585 km

• M1: 149,299 km (0.084 R)
• M2: 527,781 km (0.092 R)
• M3: 935,286 km (0.066 R)
• M4: 1,383,032 km (0.109 R)
• M5: 2,248,456 km (0.107 R)
• M6: 3,229,519 km (0.046 R)
• M7: 4,770,377 km (0.057 R)
• M8: 5,574,017 km (0.095 R)
• M9: 6,022,212 km (0.03 R)
• M10: 6,872,227 km (0.085 R)
• M11: 8,567,171 km (0.112 R)
• M12: 9,201,765 km (0.117 R)
• M13: 9,642,181 km (0.105 R)
• M14: 10,096,510 km (0.076 R)
• M15: 10,644,636 km (0.045 R)
• M16: 11,089,241 km (0.115 R)
• M17: 12,497,855 km (0.119 R)
• M18: 12,947,397 km (0.094 R)
• M19: 13,783,798 km (0.061 R)
• M20: 15,004,816 km (0.096 R)
• M21: 16,779,496 km (0.057 R)
• M22: 19,637,712 km (0.096 R)
• M23: 21,436,477 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.8

Radius: 12.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.27 AU - 3.97 AU

Year: 4447 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,418,585 km

• M1: 160,519 km (0.098 R)
• M2: 698,323 km (0.11 R)
• M3: 1,157,140 km (0.028 R)
• M4: 2,023,910 km (0.076 R)
• M5: 2,616,616 km (0.115 R)
• M6: 5,747,401 km (0.117 R)
• M7: 6,547,600 km (0.084 R)
• M8: 10,509,998 km (0.063 R)
• M9: 11,226,123 km (0.096 R)
• M10: 14,167,367 km (0.037 R)
• M11: 22,958,486 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.4

Radius: 7.6

Gravity: 16.77 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.24 AU - 8.98 AU

Year: 13555 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,418,585 km

• M1: 95,144 km (0.106 R)
• M2: 390,002 km (0.084 R)
• M3: 636,838 km (0.118 R)
• M4: 1,147,416 km (0.111 R)
• M5: 1,699,133 km (0.111 R)
• M6: 2,092,725 km (0.087 R)
• M7: 2,867,342 km (0.12 R)
• M8: 3,373,432 km (0.084 R)
• M9: 4,305,427 km (0.095 R)
• M10: 7,145,841 km (0.105 R)
• M11: 7,462,241 km (0.065 R)
• M12: 8,318,838 km (0.077 R)
• M13: 8,669,197 km (0.111 R)
• M14: 9,081,488 km (0.067 R)
• M15: 11,464,433 km (0.106 R)
• M16: 14,306,194 km (0.078 R)
• M17: 16,312,451 km (0.108 R)
• M18: 18,080,249 km (0.117 R)
• M19: 26,326,233 km (0.04 R)
• M20: 27,190,909 km (0.093 R)
• M21: 28,298,232 km (0.106 R)
• M22: 29,091,101 km (0.051 R)
• M23: 33,908,003 km (0.102 R)
• M24: 35,060,655 km (0.057 R)
• M25: 36,106,942 km (0.091 R)
• M26: 40,500,931 km (0.073 R)
• M27: 42,678,029 km (0.081 R)
• M28: 43,122,633 km (0.119 R)
• M29: 47,106,126 km (0.1 R)
• M30: 47,422,375 km (0.051 R)
• M31: 52,846,645 km (0.102 R)
• M32: 53,359,317 km (0.099 R)
• M33: 63,549,175 km (0.113 R)
• M34: 64,323,045 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.5

Radius: 6

Gravity: 25.24 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.73 AU - 10.49 AU

Year: 17754 Days

Day: 16.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,418,585 km

• M1: 74,649 km (0.112 R)
• M2: 1,414,897 km (0.06 R)
• M3: 1,879,248 km (0.09 R)
• M4: 2,531,944 km (0.07 R)
• M5: 2,948,873 km (0.111 R)
• M6: 4,241,100 km (0.051 R)
• M7: 4,442,608 km (0.08 R)
• M8: 5,668,263 km (0.031 R)
• M9: 9,430,949 km (0.079 R)
• M10: 13,694,638 km (0.051 R)
• M11: 15,917,812 km (0.071 R)
• M12: 17,843,884 km (0.077 R)
• M13: 26,647,570 km (0.095 R)
• M14: 28,035,838 km (0.114 R)
• M15: 31,081,351 km (0.106 R)
• M16: 31,972,057 km (0.115 R)
• M17: 34,071,663 km (0.085 R)
• M18: 35,429,563 km (0.102 R)
• M19: 42,297,452 km (0.117 R)
• M20: 45,470,722 km (0.046 R)
• M21: 51,753,234 km (0.094 R)
• M22: 59,363,577 km (0.094 R)
• M23: 65,381,749 km (0.115 R)
• M24: 66,004,974 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.9

Radius: 5.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.19 AU - 10.97 AU

Year: 19145 Days

Day: 21.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,418,585 km

• M1: 73,453 km (0.097 R)
• M2: 255,064 km (0.116 R)
• M3: 435,779 km (0.094 R)
• M4: 762,052 km (0.103 R)
• M5: 1,299,108 km (0.072 R)
• M6: 2,093,173 km (0.101 R)
• M7: 2,517,882 km (0.115 R)
• M8: 4,139,523 km (0.111 R)
• M9: 5,739,921 km (0.101 R)
• M10: 6,425,079 km (0.097 R)
• M11: 7,834,141 km (0.115 R)
• M12: 9,623,033 km (0.104 R)
• M13: 11,720,694 km (0.089 R)
• M14: 19,058,769 km (0.031 R)
• M15: 24,270,459 km (0.114 R)
• M16: 30,156,836 km (0.029 R)
• M17: 35,566,894 km (0.065 R)
• M18: 36,243,076 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.8

Radius: 7.3

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.85 AU - 11.61 AU

Year: 19597 Days

Day: 20.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 113.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,418,585 km

• M1: 90,806 km (0.077 R)
• M2: 323,431 km (0.075 R)
• M3: 925,861 km (0.081 R)
• M4: 1,213,239 km (0.082 R)
• M5: 1,876,406 km (0.098 R)
• M6: 2,711,013 km (0.076 R)
• M7: 3,419,807 km (0.057 R)
• M8: 3,925,747 km (0.072 R)
• M9: 4,180,662 km (0.092 R)
• M10: 4,618,535 km (0.088 R)
• M11: 5,123,727 km (0.1 R)
• M12: 5,625,478 km (0.087 R)
• M13: 6,330,383 km (0.11 R)
• M14: 8,637,931 km (0.078 R)
• M15: 12,789,870 km (0.037 R)
• M16: 14,004,156 km (0.095 R)
• M17: 16,577,538 km (0.119 R)
• M18: 21,539,700 km (0.037 R)
• M19: 24,731,670 km (0.098 R)
• M20: 25,056,297 km (0.077 R)
• M21: 25,714,228 km (0.086 R)
• M22: 26,609,272 km (0.117 R)
• M23: 27,294,132 km (0.052 R)
• M24: 28,937,614 km (0.064 R)
• M25: 29,298,145 km (0.075 R)
• M26: 31,524,909 km (0.038 R)
• M27: 40,205,475 km (0.059 R)
• M28: 54,445,547 km (0.117 R)
• M29: 55,548,532 km (0.097 R)
• M30: 57,419,852 km (0.079 R)
• M31: 57,989,221 km (0.101 R)
• M32: 60,109,621 km (0.042 R)
• M33: 76,418,631 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 15,672 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit