🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 9.8

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.78 AU - 1 AU

Year: 560 Days

Day: 7.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,817,139 km

• M1: 122,072 km (0.071 R)
• M2: 430,094 km (0.113 R)
• M3: 777,610 km (0.105 R)
• M4: 1,090,269 km (0.056 R)
• M5: 1,475,185 km (0.083 R)
• M6: 2,118,455 km (0.098 R)
• M7: 2,546,305 km (0.114 R)
• M8: 3,137,965 km (0.113 R)
• M9: 3,486,229 km (0.071 R)
• M10: 3,887,899 km (0.095 R)
• M11: 4,425,853 km (0.092 R)
• M12: 5,129,412 km (0.042 R)
• M13: 5,561,301 km (0.098 R)
• M14: 6,478,635 km (0.083 R)
• M15: 6,839,914 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 12

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.76 AU - 1.2 AU

Year: 647 Days

Day: 10.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 53.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,817,139 km

• M1: 150,196 km (0.116 R)
• M2: 577,897 km (0.113 R)
• M3: 998,117 km (0.054 R)
• M4: 1,803,552 km (0.063 R)
• M5: 2,258,928 km (0.033 R)
• M6: 2,921,347 km (0.114 R)
• M7: 3,782,433 km (0.066 R)
• M8: 4,161,065 km (0.025 R)
• M9: 4,649,053 km (0.097 R)
• M10: 5,129,711 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.4

Radius: 13.4

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.14 AU - 1.26 AU

Year: 877 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,817,139 km

• M1: 166,802 km (0.106 R)
• M2: 601,234 km (0.025 R)
• M3: 1,123,480 km (0.095 R)
• M4: 1,675,347 km (0.047 R)
• M5: 2,210,009 km (0.066 R)
• M6: 2,735,098 km (0.093 R)
• M7: 3,239,542 km (0.109 R)
• M8: 4,027,025 km (0.093 R)
• M9: 4,610,606 km (0.118 R)
• M10: 5,030,827 km (0.074 R)
• M11: 5,575,513 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.7

Radius: 12.7

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.44 AU - 2.34 AU

Year: 1733 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,817,139 km

• M1: 159,023 km (0.098 R)
• M2: 645,814 km (0.083 R)
• M3: 1,255,126 km (0.057 R)
• M4: 1,857,407 km (0.082 R)
• M5: 2,830,093 km (0.117 R)
• M6: 5,786,296 km (0.056 R)
• M7: 6,297,771 km (0.052 R)
• M8: 7,053,540 km (0.112 R)
• M9: 7,986,282 km (0.038 R)
• M10: 8,872,201 km (0.117 R)
• M11: 9,721,318 km (0.089 R)
• M12: 10,235,337 km (0.065 R)
• M13: 13,042,242 km (0.116 R)
• M14: 14,667,024 km (0.098 R)
• M15: 15,252,700 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.7

Radius: 11.1

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.75 AU - 4.29 AU

Year: 4404 Days

Day: 5.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,817,139 km

• M1: 192,233 km (0.082 R)
• M2: 630,705 km (0.119 R)
• M3: 1,269,488 km (0.118 R)
• M4: 3,482,638 km (0.064 R)
• M5: 4,402,217 km (0.108 R)
• M6: 4,944,958 km (0.087 R)
• M7: 5,958,184 km (0.119 R)
• M8: 8,319,437 km (0.113 R)
• M9: 10,078,259 km (0.084 R)
• M10: 10,803,210 km (0.086 R)
• M11: 13,237,916 km (0.103 R)
• M12: 14,744,067 km (0.071 R)
• M13: 16,419,264 km (0.062 R)
• M14: 21,363,174 km (0.114 R)
• M15: 26,814,521 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.1

Radius: 4.3

Gravity: 43.38 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.59 AU - 6.57 AU

Year: 9997 Days

Day: 16.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,817,139 km

• M1: 54,005 km (0.08 R)
• M2: 191,934 km (0.097 R)
• M3: 598,092 km (0.1 R)
• M4: 851,361 km (0.087 R)
• M5: 1,003,203 km (0.118 R)
• M6: 1,471,145 km (0.118 R)
• M7: 2,672,117 km (0.094 R)
• M8: 3,282,925 km (0.1 R)
• M9: 4,682,264 km (0.088 R)
• M10: 5,029,331 km (0.104 R)
• M11: 5,564,442 km (0.113 R)
• M12: 7,026,462 km (0.074 R)
• M13: 7,823,819 km (0.117 R)
• M14: 8,494,616 km (0.052 R)
• M15: 8,679,668 km (0.106 R)
• M16: 8,914,986 km (0.094 R)
• M17: 9,447,554 km (0.101 R)
• M18: 10,000,917 km (0.104 R)
• M19: 12,550,962 km (0.111 R)
• M20: 12,973,576 km (0.113 R)
• M21: 14,692,605 km (0.099 R)
• M22: 17,659,430 km (0.103 R)
• M23: 19,683,041 km (0.03 R)
• M24: 22,644,031 km (0.102 R)
• M25: 22,821,754 km (0.102 R)
• M26: 23,999,089 km (0.093 R)
• M27: 25,026,527 km (0.037 R)
• M28: 26,082,987 km (0.053 R)
• M29: 28,181,696 km (0.094 R)
• M30: 35,148,319 km (0.099 R)
• M31: 37,454,968 km (0.114 R)
• M32: 38,078,343 km (0.043 R)
• M33: 40,249,457 km (0.119 R)
• M34: 40,510,056 km (0.077 R)
• M35: 41,830,706 km (0.072 R)
• M36: 43,043,496 km (0.112 R)
• M37: 44,696,852 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.1

Radius: 7.3

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.94 AU - 9 AU

Year: 13615 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,817,139 km

• M1: 90,806 km (0.045 R)
• M2: 355,744 km (0.068 R)
• M3: 819,497 km (0.088 R)
• M4: 1,317,359 km (0.052 R)
• M5: 1,807,890 km (0.115 R)
• M6: 2,264,762 km (0.079 R)
• M7: 3,148,736 km (0.113 R)
• M8: 4,591,458 km (0.1 R)
• M9: 5,019,757 km (0.12 R)
• M10: 5,885,779 km (0.073 R)
• M11: 6,466,069 km (0.114 R)
• M12: 7,867,950 km (0.085 R)
• M13: 10,776,582 km (0.088 R)
• M14: 11,588,449 km (0.065 R)
• M15: 12,151,985 km (0.079 R)
• M16: 23,827,350 km (0.068 R)
• M17: 27,410,519 km (0.103 R)
• M18: 29,745,143 km (0.106 R)
• M19: 30,059,149 km (0.116 R)
• M20: 30,587,379 km (0.092 R)
• M21: 34,230,087 km (0.107 R)
• M22: 34,690,250 km (0.095 R)
• M23: 37,174,921 km (0.088 R)
• M24: 37,661,264 km (0.042 R)
• M25: 38,151,795 km (0.067 R)
• M26: 39,522,860 km (0.102 R)
• M27: 40,412,219 km (0.082 R)
• M28: 41,055,640 km (0.088 R)
• M29: 41,836,840 km (0.069 R)
• M30: 42,760,457 km (0.101 R)
• M31: 46,030,966 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.6

Radius: 7.4

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 7.57 AU - 9.29 AU

Year: 16322 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,817,139 km

• M1: 94,845 km (0.107 R)
• M2: 383,270 km (0.093 R)
• M3: 621,280 km (0.097 R)
• M4: 1,328,130 km (0.055 R)
• M5: 1,922,033 km (0.059 R)
• M6: 2,299,469 km (0.106 R)
• M7: 2,658,504 km (0.12 R)
• M8: 4,263,988 km (0.109 R)
• M9: 5,148,261 km (0.056 R)
• M10: 5,954,893 km (0.11 R)
• M11: 6,885,392 km (0.074 R)
• M12: 9,393,250 km (0.079 R)
• M13: 12,015,252 km (0.113 R)
• M14: 12,966,246 km (0.084 R)
• M15: 13,426,708 km (0.088 R)
• M16: 34,084,977 km (0.088 R)
• M17: 34,584,335 km (0.057 R)
• M18: 38,620,485 km (0.12 R)
• M19: 39,436,392 km (0.112 R)
• M20: 40,961,842 km (0.059 R)
• M21: 45,773,956 km (0.109 R)
• M22: 47,303,445 km (0.06 R)
• M23: 51,930,956 km (0.059 R)
• M24: 61,335,127 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.5

Radius: 3

Gravity: 85.72 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.83 AU - 11.83 AU

Year: 23767 Days

Day: 15.1 Hours

Environment

Temp: -246 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,817,139 km

• M1: 47,722 km (0.115 R)
• M2: 206,595 km (0.096 R)
• M3: 665,711 km (0.111 R)
• M4: 919,578 km (0.096 R)
• M5: 1,021,903 km (0.069 R)
• M6: 1,708,258 km (0.078 R)
• M7: 1,804,300 km (0.111 R)
• M8: 4,110,800 km (0.099 R)
• M9: 5,064,337 km (0.077 R)
• M10: 5,182,968 km (0.059 R)
• M11: 6,474,895 km (0.115 R)
• M12: 12,305,622 km (0.089 R)
• M13: 13,632,256 km (0.094 R)
• M14: 18,738,330 km (0.112 R)
• M15: 21,298,548 km (0.049 R)
• M16: 25,561,190 km (0.116 R)
• M17: 25,910,800 km (0.088 R)
• M18: 30,488,794 km (0.076 R)
• M19: 31,145,977 km (0.111 R)
• M20: 43,975,640 km (0.12 R)
• M21: 44,309,842 km (0.108 R)
• M22: 66,279,785 km (0.117 R)
• M23: 72,373,355 km (0.061 R)
• M24: 83,340,675 km (0.054 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 16,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit