🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.1

Radius: 11.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.9 AU - 1.16 AU

Year: 722 Days

Day: 13.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,479,689 km

• M1: 146,756 km (0.037 R)
• M2: 546,331 km (0.114 R)
• M3: 931,995 km (0.069 R)
• M4: 1,336,956 km (0.08 R)
• M5: 2,261,770 km (0.094 R)
• M6: 3,548,013 km (0.11 R)
• M7: 4,102,422 km (0.042 R)
• M8: 5,065,533 km (0.103 R)
• M9: 5,873,811 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 14.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.48 AU - 1.94 AU

Year: 1543 Days

Day: 12.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,479,689 km

• M1: 183,856 km (0.106 R)
• M2: 744,549 km (0.084 R)
• M3: 1,373,159 km (0.11 R)
• M4: 2,078,513 km (0.091 R)
• M5: 2,586,697 km (0.073 R)
• M6: 3,222,937 km (0.064 R)
• M7: 4,523,241 km (0.063 R)
• M8: 5,671,704 km (0.042 R)
• M9: 7,477,799 km (0.046 R)
• M10: 8,779,001 km (0.101 R)
• M11: 9,898,891 km (0.049 R)
• M12: 10,868,734 km (0.112 R)
• M13: 11,682,247 km (0.09 R)
• M14: 12,958,766 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 8.1

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.85 AU - 2.83 AU

Year: 2471 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,479,689 km

• M1: 100,829 km (0.086 R)
• M2: 389,104 km (0.073 R)
• M3: 657,034 km (0.076 R)
• M4: 920,027 km (0.065 R)
• M5: 1,210,995 km (0.106 R)
• M6: 1,595,461 km (0.107 R)
• M7: 1,935,647 km (0.067 R)
• M8: 2,324,003 km (0.093 R)
• M9: 3,363,110 km (0.098 R)
• M10: 3,946,541 km (0.117 R)
• M11: 4,464,599 km (0.048 R)
• M12: 7,450,273 km (0.119 R)
• M13: 7,982,393 km (0.027 R)
• M14: 8,573,304 km (0.103 R)
• M15: 9,299,153 km (0.075 R)
• M16: 9,916,244 km (0.078 R)
• M17: 11,312,741 km (0.108 R)
• M18: 11,598,921 km (0.11 R)
• M19: 12,835,946 km (0.071 R)
• M20: 13,237,168 km (0.071 R)
• M21: 14,111,567 km (0.114 R)
• M22: 15,023,965 km (0.118 R)
• M23: 15,569,847 km (0.12 R)
• M24: 17,019,301 km (0.036 R)
• M25: 18,163,725 km (0.093 R)
• M26: 19,300,668 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.2

Radius: 8.7

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.38 AU - 2.88 AU

Year: 2944 Days

Day: 8.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,479,689 km

• M1: 108,309 km (0.102 R)
• M2: 397,332 km (0.099 R)
• M3: 754,721 km (0.117 R)
• M4: 1,026,690 km (0.057 R)
• M5: 1,902,137 km (0.096 R)
• M6: 2,247,558 km (0.088 R)
• M7: 2,979,541 km (0.113 R)
• M8: 3,524,675 km (0.085 R)
• M9: 4,330,858 km (0.097 R)
• M10: 4,742,103 km (0.103 R)
• M11: 6,106,435 km (0.077 R)
• M12: 6,477,737 km (0.067 R)
• M13: 8,355,490 km (0.086 R)
• M14: 9,067,127 km (0.05 R)
• M15: 9,973,690 km (0.088 R)
• M16: 10,448,962 km (0.082 R)
• M17: 11,317,229 km (0.07 R)
• M18: 12,188,038 km (0.118 R)
• M19: 13,769,886 km (0.091 R)
• M20: 14,260,118 km (0.073 R)
• M21: 15,907,190 km (0.1 R)
• M22: 16,721,452 km (0.048 R)
• M23: 17,392,697 km (0.057 R)
• M24: 17,792,423 km (0.106 R)
• M25: 18,081,595 km (0.106 R)
• M26: 18,729,055 km (0.068 R)
• M27: 19,391,923 km (0.105 R)
• M28: 19,883,651 km (0.064 R)
• M29: 21,409,101 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.2

Radius: 14.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.32 AU - 3.94 AU

Year: 4774 Days

Day: 12.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,479,689 km

• M1: 181,761 km (0.075 R)
• M2: 642,972 km (0.118 R)
• M3: 1,265,748 km (0.114 R)
• M4: 2,244,118 km (0.093 R)
• M5: 2,762,923 km (0.12 R)
• M6: 3,342,615 km (0.119 R)
• M7: 4,249,926 km (0.084 R)
• M8: 5,643,879 km (0.113 R)
• M9: 6,585,149 km (0.075 R)
• M10: 7,093,781 km (0.113 R)
• M11: 8,518,552 km (0.112 R)
• M12: 9,008,185 km (0.109 R)
• M13: 9,476,726 km (0.108 R)
• M14: 10,937,400 km (0.111 R)
• M15: 11,562,120 km (0.034 R)
• M16: 13,178,824 km (0.071 R)
• M17: 15,880,263 km (0.089 R)
• M18: 17,631,605 km (0.118 R)
• M19: 18,679,688 km (0.069 R)
• M20: 19,379,656 km (0.082 R)
• M21: 22,712,547 km (0.113 R)
• M22: 23,953,162 km (0.102 R)
• M23: 24,703,695 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.6

Radius: 5.6

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.5 AU - 7.54 AU

Year: 11492 Days

Day: 24.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,479,689 km

• M1: 69,713 km (0.07 R)
• M2: 249,529 km (0.076 R)
• M3: 551,867 km (0.119 R)
• M4: 829,670 km (0.099 R)
• M5: 1,288,038 km (0.118 R)
• M6: 1,482,664 km (0.082 R)
• M7: 2,467,318 km (0.117 R)
• M8: 2,889,632 km (0.116 R)
• M9: 3,075,732 km (0.09 R)
• M10: 4,002,192 km (0.099 R)
• M11: 4,925,061 km (0.077 R)
• M12: 5,221,714 km (0.108 R)
• M13: 5,785,548 km (0.097 R)
• M14: 6,886,888 km (0.04 R)
• M15: 8,705,100 km (0.05 R)
• M16: 13,087,719 km (0.053 R)
• M17: 14,065,042 km (0.11 R)
• M18: 15,338,419 km (0.074 R)
• M19: 18,818,963 km (0.098 R)
• M20: 19,324,305 km (0.118 R)
• M21: 21,671,944 km (0.086 R)
• M22: 21,908,758 km (0.053 R)
• M23: 26,924,326 km (0.114 R)
• M24: 28,974,864 km (0.095 R)
• M25: 31,935,555 km (0.089 R)
• M26: 33,174,225 km (0.11 R)
• M27: 35,747,159 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.9

Radius: 4

Gravity: 44.87 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.87 AU - 8.65 AU

Year: 13503 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,479,689 km

• M1: 50,714 km (0.098 R)
• M2: 202,556 km (0.094 R)
• M3: 735,722 km (0.109 R)
• M4: 881,580 km (0.041 R)
• M5: 1,368,372 km (0.049 R)
• M6: 1,575,415 km (0.093 R)
• M7: 4,056,496 km (0.1 R)
• M8: 4,941,666 km (0.073 R)
• M9: 6,219,980 km (0.105 R)
• M10: 6,998,936 km (0.111 R)
• M11: 7,389,686 km (0.107 R)
• M12: 8,262,290 km (0.117 R)
• M13: 8,797,701 km (0.083 R)
• M14: 9,459,971 km (0.087 R)
• M15: 11,113,775 km (0.034 R)
• M16: 12,442,504 km (0.109 R)
• M17: 13,275,614 km (0.116 R)
• M18: 17,135,688 km (0.06 R)
• M19: 19,488,264 km (0.114 R)
• M20: 30,250,185 km (0.089 R)
• M21: 30,592,166 km (0.084 R)
• M22: 31,516,382 km (0.085 R)
• M23: 35,023,105 km (0.091 R)
• M24: 38,915,193 km (0.107 R)
• M25: 40,411,621 km (0.097 R)
• M26: 46,176,375 km (0.097 R)
• M27: 53,621,562 km (0.063 R)
• M28: 54,457,814 km (0.1 R)
• M29: 56,499,974 km (0.064 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 10,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit