🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.9

Radius: 8.5

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.67 AU - 0.83 AU

Year: 441 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,441,663 km

• M1: 105,766 km (0.054 R)
• M2: 373,097 km (0.097 R)
• M3: 638,933 km (0.084 R)
• M4: 926,759 km (0.028 R)
• M5: 1,271,731 km (0.088 R)
• M6: 2,099,008 km (0.084 R)
• M7: 2,767,411 km (0.083 R)
• M8: 3,258,990 km (0.026 R)
• M9: 3,622,512 km (0.108 R)
• M10: 3,902,410 km (0.079 R)
• M11: 4,371,848 km (0.111 R)
• M12: 4,767,684 km (0.119 R)
• M13: 5,254,027 km (0.104 R)
• M14: 5,561,450 km (0.098 R)
• M15: 6,156,551 km (0.109 R)
• M16: 6,595,770 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 8

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.88 AU - 1.44 AU

Year: 847 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,441,663 km

• M1: 99,483 km (0.119 R)
• M2: 427,551 km (0.117 R)
• M3: 680,222 km (0.036 R)
• M4: 1,025,493 km (0.048 R)
• M5: 1,517,820 km (0.06 R)
• M6: 1,814,173 km (0.11 R)
• M7: 2,159,445 km (0.111 R)
• M8: 2,594,027 km (0.119 R)
• M9: 2,957,400 km (0.093 R)
• M10: 3,245,227 km (0.108 R)
• M11: 3,551,603 km (0.111 R)
• M12: 4,958,122 km (0.113 R)
• M13: 5,696,238 km (0.078 R)
• M14: 6,060,659 km (0.115 R)
• M15: 6,527,105 km (0.085 R)
• M16: 7,460,296 km (0.114 R)
• M17: 7,774,003 km (0.088 R)
• M18: 8,324,972 km (0.07 R)
• M19: 9,227,346 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.5

Radius: 9.6

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.7 AU - 1.78 AU

Year: 1557 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,441,663 km

• M1: 119,379 km (0.105 R)
• M2: 566,677 km (0.114 R)
• M3: 944,112 km (0.082 R)
• M4: 1,409,062 km (0.103 R)
• M5: 2,162,886 km (0.074 R)
• M6: 2,523,866 km (0.108 R)
• M7: 3,697,311 km (0.119 R)
• M8: 4,274,310 km (0.116 R)
• M9: 4,584,726 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.8

Radius: 10.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.42 AU - 3.16 AU

Year: 3161 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,441,663 km

• M1: 129,851 km (0.118 R)
• M2: 768,484 km (0.084 R)
• M3: 1,128,566 km (0.079 R)
• M4: 1,846,337 km (0.12 R)
• M5: 2,379,504 km (0.094 R)
• M6: 2,944,834 km (0.054 R)
• M7: 3,775,551 km (0.074 R)
• M8: 4,366,911 km (0.116 R)
• M9: 5,092,611 km (0.085 R)
• M10: 13,242,703 km (0.09 R)
• M11: 16,223,440 km (0.089 R)
• M12: 17,215,274 km (0.077 R)
• M13: 17,898,637 km (0.111 R)
• M14: 21,070,710 km (0.109 R)
• M15: 22,384,629 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 13.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.02 AU - 4.24 AU

Year: 4691 Days

Day: 9.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,441,663 km

• M1: 164,109 km (0.075 R)
• M2: 803,490 km (0.063 R)
• M3: 1,394,252 km (0.061 R)
• M4: 2,298,870 km (0.086 R)
• M5: 2,751,554 km (0.05 R)
• M6: 3,381,959 km (0.115 R)
• M7: 4,199,063 km (0.103 R)
• M8: 4,780,400 km (0.102 R)
• M9: 5,387,468 km (0.065 R)
• M10: 6,287,000 km (0.114 R)
• M11: 6,886,140 km (0.052 R)
• M12: 9,349,418 km (0.099 R)
• M13: 10,131,665 km (0.08 R)
• M14: 10,691,610 km (0.092 R)
• M15: 11,968,278 km (0.072 R)
• M16: 16,175,120 km (0.091 R)
• M17: 16,643,661 km (0.087 R)
• M18: 17,061,188 km (0.111 R)
• M19: 19,980,890 km (0.118 R)
• M20: 22,055,513 km (0.103 R)
• M21: 24,042,323 km (0.087 R)
• M22: 27,781,073 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.2

Radius: 3.8

Gravity: 55.97 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.69 AU - 7.27 AU

Year: 11188 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,441,663 km

• M1: 48,021 km (0.119 R)
• M2: 360,082 km (0.079 R)
• M3: 849,267 km (0.046 R)
• M4: 994,826 km (0.072 R)
• M5: 1,336,507 km (0.078 R)
• M6: 1,505,104 km (0.03 R)
• M7: 1,735,784 km (0.102 R)
• M8: 2,743,176 km (0.12 R)
• M9: 3,590,349 km (0.119 R)
• M10: 4,145,955 km (0.116 R)
• M11: 4,756,763 km (0.111 R)
• M12: 5,017,064 km (0.108 R)
• M13: 5,252,680 km (0.116 R)
• M14: 10,147,373 km (0.106 R)
• M15: 10,688,319 km (0.062 R)
• M16: 14,411,361 km (0.092 R)
• M17: 14,546,149 km (0.075 R)
• M18: 16,671,785 km (0.059 R)
• M19: 17,423,814 km (0.074 R)
• M20: 25,238,058 km (0.076 R)
• M21: 36,209,267 km (0.105 R)
• M22: 37,467,684 km (0.113 R)
• M23: 49,515,698 km (0.087 R)
• M24: 50,286,277 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.2

Radius: 4.3

Gravity: 20.45 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.99 AU - 8.13 AU

Year: 14099 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,441,663 km

• M1: 53,556 km (0.073 R)
• M2: 230,381 km (0.112 R)
• M3: 397,631 km (0.084 R)
• M4: 1,004,101 km (0.106 R)
• M5: 1,373,608 km (0.081 R)
• M6: 1,893,610 km (0.104 R)
• M7: 2,806,456 km (0.11 R)
• M8: 2,960,691 km (0.054 R)
• M9: 3,686,540 km (0.102 R)
• M10: 3,844,815 km (0.046 R)
• M11: 6,918,004 km (0.062 R)
• M12: 7,159,305 km (0.082 R)
• M13: 7,701,448 km (0.094 R)
• M14: 8,136,778 km (0.086 R)
• M15: 9,393,699 km (0.078 R)
• M16: 9,540,903 km (0.085 R)
• M17: 9,890,514 km (0.108 R)
• M18: 10,562,058 km (0.096 R)
• M19: 10,721,380 km (0.119 R)
• M20: 12,111,144 km (0.064 R)
• M21: 13,429,700 km (0.107 R)
• M22: 14,577,565 km (0.117 R)
• M23: 19,108,884 km (0.077 R)
• M24: 21,224,198 km (0.107 R)
• M25: 21,991,485 km (0.079 R)
• M26: 24,496,352 km (0.115 R)
• M27: 29,221,700 km (0.085 R)
• M28: 40,682,991 km (0.088 R)
• M29: 45,408,190 km (0.04 R)
• M30: 48,411,816 km (0.12 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: 262 - 20,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit