🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.7

Radius: 9.6

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.03 AU - 1.57 AU

Year: 1005 Days

Day: 11.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,915,161 km

• M1: 121,922 km (0.11 R)
• M2: 428,299 km (0.09 R)
• M3: 871,108 km (0.08 R)
• M4: 1,208,601 km (0.088 R)
• M5: 1,866,233 km (0.088 R)
• M6: 2,980,887 km (0.068 R)
• M7: 3,517,644 km (0.055 R)
• M8: 3,954,321 km (0.05 R)
• M9: 5,375,949 km (0.091 R)
• M10: 6,292,685 km (0.059 R)
• M11: 6,830,938 km (0.111 R)
• M12: 7,467,327 km (0.094 R)
• M13: 7,905,200 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 10.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.23 AU - 2.01 AU

Year: 1399 Days

Day: 7 Hours

Environment

Temp: -187 °C

Axial Tilt: 71.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,915,161 km

• M1: 132,394 km (0.097 R)
• M2: 620,233 km (0.079 R)
• M3: 1,007,691 km (0.091 R)
• M4: 1,842,447 km (0.112 R)
• M5: 2,626,191 km (0.114 R)
• M6: 3,087,850 km (0.102 R)
• M7: 3,450,325 km (0.083 R)
• M8: 3,792,904 km (0.088 R)
• M9: 4,620,330 km (0.052 R)
• M10: 6,893,919 km (0.12 R)
• M11: 7,364,254 km (0.047 R)
• M12: 8,259,747 km (0.083 R)
• M13: 9,021,200 km (0.065 R)
• M14: 9,494,229 km (0.098 R)
• M15: 10,361,747 km (0.11 R)
• M16: 10,716,593 km (0.07 R)
• M17: 11,485,227 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.9

Radius: 11.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.85 AU - 1.93 AU

Year: 1762 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,915,161 km

• M1: 142,268 km (0.097 R)
• M2: 520,750 km (0.1 R)
• M3: 1,324,091 km (0.115 R)
• M4: 1,982,471 km (0.06 R)
• M5: 2,394,015 km (0.065 R)
• M6: 3,112,234 km (0.117 R)
• M7: 3,689,831 km (0.086 R)
• M8: 4,187,544 km (0.098 R)
• M9: 4,913,692 km (0.084 R)
• M10: 5,428,458 km (0.094 R)
• M11: 5,814,570 km (0.08 R)
• M12: 6,465,620 km (0.108 R)
• M13: 7,272,700 km (0.085 R)
• M14: 10,200,929 km (0.095 R)
• M15: 10,897,606 km (0.116 R)
• M16: 11,700,349 km (0.107 R)
• M17: 12,897,880 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.9

Radius: 10.6

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.8 AU - 2.12 AU

Year: 1861 Days

Day: 8.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,915,161 km

• M1: 131,796 km (0.117 R)
• M2: 590,912 km (0.081 R)
• M3: 969,843 km (0.111 R)
• M4: 1,584,092 km (0.101 R)
• M5: 2,009,698 km (0.094 R)
• M6: 2,581,311 km (0.097 R)
• M7: 3,292,051 km (0.116 R)
• M8: 3,639,567 km (0.11 R)
• M9: 5,788,241 km (0.102 R)
• M10: 7,260,733 km (0.058 R)
• M11: 7,853,739 km (0.114 R)
• M12: 8,446,595 km (0.119 R)
• M13: 8,803,386 km (0.057 R)
• M14: 11,315,284 km (0.065 R)
• M15: 11,829,601 km (0.106 R)
• M16: 14,592,076 km (0.041 R)
• M17: 17,184,457 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.8

Radius: 9.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.51 AU - 2.77 AU

Year: 2909 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,915,161 km

• M1: 121,473 km (0.099 R)
• M2: 1,653,655 km (0.081 R)
• M3: 2,196,994 km (0.064 R)
• M4: 3,414,272 km (0.049 R)
• M5: 4,879,284 km (0.114 R)
• M6: 5,703,269 km (0.072 R)
• M7: 6,250,648 km (0.11 R)
• M8: 7,364,254 km (0.09 R)
• M9: 7,743,485 km (0.081 R)
• M10: 8,446,595 km (0.086 R)
• M11: 10,264,359 km (0.1 R)
• M12: 10,738,285 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 9.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.63 AU - 3.77 AU

Year: 3883 Days

Day: 7.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,915,161 km

• M1: 122,221 km (0.092 R)
• M2: 530,025 km (0.034 R)
• M3: 880,234 km (0.043 R)
• M4: 1,330,823 km (0.076 R)
• M5: 1,740,272 km (0.039 R)
• M6: 2,232,898 km (0.097 R)
• M7: 2,626,939 km (0.047 R)
• M8: 3,206,780 km (0.094 R)
• M9: 3,992,318 km (0.083 R)
• M10: 4,309,915 km (0.098 R)
• M11: 4,877,190 km (0.111 R)
• M12: 5,416,939 km (0.099 R)
• M13: 6,557,772 km (0.1 R)
• M14: 8,875,043 km (0.03 R)
• M15: 9,455,932 km (0.035 R)
• M16: 10,653,463 km (0.109 R)
• M17: 11,690,774 km (0.091 R)
• M18: 12,256,105 km (0.103 R)
• M19: 13,916,940 km (0.077 R)
• M20: 16,411,784 km (0.105 R)
• M21: 18,251,239 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 9.9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.64 AU - 4.08 AU

Year: 5144 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,915,161 km

• M1: 123,568 km (0.046 R)
• M2: 433,834 km (0.102 R)
• M3: 791,822 km (0.103 R)
• M4: 1,490,144 km (0.115 R)
• M5: 2,323,255 km (0.097 R)
• M6: 2,644,292 km (0.09 R)
• M7: 2,995,249 km (0.103 R)
• M8: 5,300,103 km (0.111 R)
• M9: 7,244,277 km (0.084 R)
• M10: 9,622,733 km (0.08 R)
• M11: 10,323,899 km (0.101 R)
• M12: 10,825,500 km (0.109 R)
• M13: 12,996,165 km (0.112 R)
• M14: 13,852,912 km (0.083 R)
• M15: 14,576,368 km (0.071 R)
• M16: 17,531,374 km (0.102 R)
• M17: 21,008,179 km (0.074 R)
• M18: 23,409,972 km (0.111 R)
• M19: 27,347,239 km (0.077 R)
• M20: 27,781,222 km (0.095 R)
• M21: 28,662,952 km (0.089 R)
• M22: 29,291,113 km (0.058 R)
• M23: 31,800,618 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.9

Radius: 9.3

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.02 AU - 4.68 AU

Year: 6154 Days

Day: 6.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,915,161 km

• M1: 116,088 km (0.11 R)
• M2: 519,254 km (0.066 R)
• M3: 883,076 km (0.03 R)
• M4: 1,218,774 km (0.114 R)
• M5: 2,049,192 km (0.107 R)
• M6: 2,743,027 km (0.097 R)
• M7: 3,452,420 km (0.115 R)
• M8: 4,006,231 km (0.114 R)
• M9: 4,485,692 km (0.084 R)
• M10: 5,174,590 km (0.086 R)
• M11: 6,124,686 km (0.058 R)
• M12: 7,259,386 km (0.101 R)
• M13: 7,591,942 km (0.12 R)
• M14: 8,815,952 km (0.073 R)
• M15: 9,672,550 km (0.07 R)
• M16: 11,500,935 km (0.117 R)
• M17: 12,522,987 km (0.103 R)
• M18: 13,056,304 km (0.079 R)
• M19: 13,771,980 km (0.08 R)
• M20: 14,340,153 km (0.119 R)
• M21: 15,101,905 km (0.117 R)
• M22: 15,645,095 km (0.067 R)
• M23: 16,076,386 km (0.107 R)
• M24: 17,418,278 km (0.109 R)
• M25: 18,217,729 km (0.119 R)
• M26: 19,321,463 km (0.108 R)
• M27: 19,961,592 km (0.045 R)
• M28: 21,661,772 km (0.076 R)
• M29: 22,508,196 km (0.103 R)
• M30: 23,216,842 km (0.104 R)
• M31: 23,940,446 km (0.037 R)
• M32: 26,287,787 km (0.098 R)
• M33: 28,784,425 km (0.076 R)
• M34: 29,246,234 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.4

Radius: 7.9

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.04 AU - 8.1 AU

Year: 11422 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,915,161 km

• M1: 101,278 km (0.083 R)
• M2: 365,318 km (0.062 R)
• M3: 739,761 km (0.109 R)
• M4: 1,308,383 km (0.118 R)
• M5: 1,634,207 km (0.115 R)
• M6: 2,312,035 km (0.069 R)
• M7: 2,859,713 km (0.115 R)
• M8: 3,287,563 km (0.078 R)
• M9: 3,757,300 km (0.102 R)
• M10: 7,658,065 km (0.095 R)
• M11: 8,109,701 km (0.113 R)
• M12: 9,215,977 km (0.08 R)
• M13: 10,257,028 km (0.1 R)
• M14: 12,571,008 km (0.111 R)
• M15: 13,915,444 km (0.116 R)
• M16: 14,182,028 km (0.115 R)
• M17: 15,566,406 km (0.091 R)
• M18: 16,144,602 km (0.106 R)
• M19: 16,513,211 km (0.114 R)
• M20: 17,652,698 km (0.09 R)
• M21: 18,202,022 km (0.094 R)
• M22: 18,843,797 km (0.091 R)
• M23: 19,583,708 km (0.115 R)
• M24: 20,772,861 km (0.113 R)
• M25: 23,015,034 km (0.092 R)
• M26: 24,921,060 km (0.093 R)
• M27: 25,612,502 km (0.067 R)
• M28: 26,930,160 km (0.09 R)
• M29: 31,725,370 km (0.108 R)
• M30: 32,654,373 km (0.119 R)
• M31: 38,875,849 km (0.077 R)
• M32: 46,285,880 km (0.118 R)
• M33: 47,029,980 km (0.082 R)
• M34: 47,782,158 km (0.095 R)
• M35: 49,619,819 km (0.086 R)
• M36: 54,254,660 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.8

Radius: 3

Gravity: 57.76 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.87 AU - 8.61 AU

Year: 16043 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,915,161 km

• M1: 39,643 km (0.069 R)
• M2: 410,347 km (0.069 R)
• M3: 657,632 km (0.102 R)
• M4: 756,367 km (0.099 R)
• M5: 1,703,022 km (0.1 R)
• M6: 2,092,874 km (0.058 R)
• M7: 2,517,583 km (0.109 R)
• M8: 3,070,347 km (0.107 R)
• M9: 6,057,667 km (0.113 R)
• M10: 6,576,921 km (0.09 R)
• M11: 6,742,376 km (0.058 R)
• M12: 7,522,080 km (0.101 R)
• M13: 9,571,122 km (0.116 R)
• M14: 9,730,294 km (0.104 R)
• M15: 9,945,266 km (0.119 R)
• M16: 11,963,641 km (0.096 R)
• M17: 13,495,224 km (0.115 R)
• M18: 21,924,166 km (0.1 R)
• M19: 23,139,948 km (0.084 R)
• M20: 26,949,757 km (0.092 R)
• M21: 29,224,393 km (0.111 R)
• M22: 31,623,793 km (0.119 R)
• M23: 32,451,817 km (0.118 R)
• M24: 37,593,945 km (0.117 R)
• M25: 40,013,391 km (0.075 R)
• M26: 47,890,467 km (0.063 R)
• M27: 51,051,470 km (0.099 R)
• M28: 52,682,985 km (0.061 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 18,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit