🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 8.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.54 AU - 0.88 AU

Year: 413 Days

Day: 10.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,889,986 km

• M1: 108,309 km (0.112 R)
• M2: 406,607 km (0.049 R)
• M3: 714,031 km (0.067 R)
• M4: 1,134,401 km (0.086 R)
• M5: 1,585,588 km (0.096 R)
• M6: 2,824,557 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.7

Radius: 12.9

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.93 AU - 1.51 AU

Year: 930 Days

Day: 12.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,889,986 km

• M1: 160,519 km (0.086 R)
• M2: 860,487 km (0.113 R)
• M3: 1,300,005 km (0.12 R)
• M4: 1,731,296 km (0.077 R)
• M5: 2,145,832 km (0.114 R)
• M6: 2,722,681 km (0.114 R)
• M7: 3,127,792 km (0.032 R)
• M8: 3,736,656 km (0.057 R)
• M9: 4,577,545 km (0.107 R)
• M10: 5,365,028 km (0.071 R)
• M11: 5,883,834 km (0.09 R)
• M12: 7,233,655 km (0.098 R)
• M13: 7,743,335 km (0.1 R)
• M14: 9,589,373 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 10.7

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.04 AU - 1.64 AU

Year: 1071 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,889,986 km

• M1: 133,142 km (0.086 R)
• M2: 508,932 km (0.114 R)
• M3: 914,492 km (0.086 R)
• M4: 1,617,452 km (0.118 R)
• M5: 2,306,650 km (0.05 R)
• M6: 3,656,770 km (0.06 R)
• M7: 5,251,932 km (0.1 R)
• M8: 5,682,924 km (0.112 R)
• M9: 6,204,272 km (0.118 R)
• M10: 7,418,409 km (0.101 R)
• M11: 7,803,923 km (0.107 R)
• M12: 8,175,972 km (0.095 R)
• M13: 9,363,630 km (0.07 R)
• M14: 10,695,051 km (0.081 R)
• M15: 11,322,016 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.2

Radius: 10.2

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.37 AU - 1.99 AU

Year: 1503 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,889,986 km

• M1: 126,859 km (0.104 R)
• M2: 446,400 km (0.047 R)
• M3: 872,156 km (0.049 R)
• M4: 1,224,907 km (0.033 R)
• M5: 1,625,530 km (0.115 R)
• M6: 2,021,965 km (0.057 R)
• M7: 2,781,024 km (0.05 R)
• M8: 3,483,386 km (0.115 R)
• M9: 3,948,337 km (0.102 R)
• M10: 4,552,712 km (0.112 R)
• M11: 5,305,189 km (0.028 R)
• M12: 5,665,271 km (0.088 R)
• M13: 6,211,603 km (0.043 R)
• M14: 6,663,388 km (0.061 R)
• M15: 7,272,401 km (0.088 R)
• M16: 7,803,324 km (0.12 R)
• M17: 9,324,435 km (0.107 R)
• M18: 9,750,340 km (0.093 R)
• M19: 10,223,518 km (0.108 R)
• M20: 11,362,856 km (0.114 R)
• M21: 11,735,654 km (0.116 R)
• M22: 12,427,394 km (0.096 R)
• M23: 13,934,443 km (0.076 R)
• M24: 14,710,258 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.5

Radius: 4.3

Gravity: 49.62 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.34 AU - 6.42 AU

Year: 9842 Days

Day: 23.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,889,986 km

• M1: 53,556 km (0.04 R)
• M2: 275,559 km (0.073 R)
• M3: 428,897 km (0.076 R)
• M4: 748,737 km (0.081 R)
• M5: 1,262,456 km (0.096 R)
• M6: 1,564,644 km (0.087 R)
• M7: 2,311,885 km (0.107 R)
• M8: 4,686,752 km (0.071 R)
• M9: 5,170,102 km (0.11 R)
• M10: 6,273,237 km (0.101 R)
• M11: 6,739,534 km (0.117 R)
• M12: 7,481,838 km (0.103 R)
• M13: 7,828,606 km (0.044 R)
• M14: 10,670,667 km (0.105 R)
• M15: 12,380,121 km (0.103 R)
• M16: 14,595,217 km (0.08 R)
• M17: 17,434,585 km (0.068 R)
• M18: 18,824,498 km (0.088 R)
• M19: 21,045,129 km (0.047 R)
• M20: 24,552,152 km (0.113 R)
• M21: 25,316,597 km (0.118 R)
• M22: 25,510,177 km (0.071 R)
• M23: 27,398,850 km (0.101 R)
• M24: 28,117,518 km (0.066 R)
• M25: 28,533,849 km (0.05 R)
• M26: 30,348,920 km (0.04 R)
• M27: 31,229,154 km (0.084 R)
• M28: 31,563,505 km (0.07 R)
• M29: 33,854,297 km (0.076 R)
• M30: 34,325,381 km (0.052 R)
• M31: 34,800,803 km (0.079 R)
• M32: 35,280,713 km (0.048 R)
• M33: 39,668,867 km (0.049 R)
• M34: 42,879,387 km (0.093 R)
• M35: 43,569,333 km (0.11 R)
• M36: 43,847,435 km (0.056 R)
• M37: 45,540,733 km (0.093 R)
• M38: 51,344,084 km (0.11 R)
• M39: 51,809,931 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622

Radius: 6.3

Gravity: 15.67 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.42 AU - 9.18 AU

Year: 16505 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,889,986 km

• M1: 78,389 km (0.108 R)
• M2: 455,974 km (0.032 R)
• M3: 940,223 km (0.065 R)
• M4: 1,229,545 km (0.081 R)
• M5: 2,180,239 km (0.119 R)
• M6: 2,691,116 km (0.115 R)
• M7: 3,716,011 km (0.082 R)
• M8: 3,978,555 km (0.03 R)
• M9: 4,807,178 km (0.055 R)
• M10: 5,784,052 km (0.071 R)
• M11: 7,149,881 km (0.111 R)
• M12: 7,649,388 km (0.069 R)
• M13: 9,555,115 km (0.028 R)
• M14: 10,330,631 km (0.111 R)
• M15: 11,207,274 km (0.07 R)
• M16: 19,291,693 km (0.076 R)
• M17: 22,669,912 km (0.055 R)
• M18: 24,650,438 km (0.066 R)
• M19: 26,529,088 km (0.07 R)
• M20: 32,489,067 km (0.065 R)
• M21: 58,989,582 km (0.049 R)
• M22: 61,205,426 km (0.072 R)
• M23: 64,245,404 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.8

Radius: 5.1

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 8.86 AU - 9.56 AU

Year: 19293 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,889,986 km

• M1: 63,579 km (0.099 R)
• M2: 393,891 km (0.094 R)
• M3: 637,736 km (0.1 R)
• M4: 1,198,279 km (0.082 R)
• M5: 2,274,785 km (0.074 R)
• M6: 2,616,616 km (0.111 R)
• M7: 3,066,158 km (0.099 R)
• M8: 4,997,766 km (0.114 R)
• M9: 5,802,453 km (0.049 R)
• M10: 7,480,941 km (0.036 R)
• M11: 9,089,866 km (0.118 R)
• M12: 9,728,050 km (0.108 R)
• M13: 10,002,562 km (0.1 R)
• M14: 11,093,281 km (0.114 R)
• M15: 11,575,285 km (0.105 R)
• M16: 14,550,786 km (0.117 R)
• M17: 15,128,384 km (0.119 R)
• M18: 18,413,254 km (0.089 R)
• M19: 19,346,146 km (0.075 R)
• M20: 21,213,876 km (0.111 R)
• M21: 24,285,868 km (0.099 R)
• M22: 35,643,039 km (0.048 R)
• M23: 39,816,969 km (0.066 R)
• M24: 55,306,782 km (0.079 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: 237 - 10,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit