🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.5

Radius: 8.8

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.61 AU - 0.93 AU

Year: 443 Days

Day: 6 Hours

Environment

Temp: -147 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,130,153 km

• M1: 109,506 km (0.12 R)
• M2: 419,173 km (0.103 R)
• M3: 710,739 km (0.08 R)
• M4: 1,298,659 km (0.109 R)
• M5: 1,777,223 km (0.086 R)
• M6: 2,260,873 km (0.112 R)
• M7: 2,636,962 km (0.067 R)
• M8: 4,266,531 km (0.087 R)
• M9: 4,592,355 km (0.113 R)
• M10: 4,904,267 km (0.103 R)
• M11: 5,230,390 km (0.081 R)
• M12: 5,537,814 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.3

Radius: 11.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.84 AU - 0.96 AU

Year: 560 Days

Day: 7.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,130,153 km

• M1: 146,756 km (0.086 R)
• M2: 515,664 km (0.092 R)
• M3: 917,933 km (0.113 R)
• M4: 1,533,079 km (0.112 R)
• M5: 2,268,652 km (0.082 R)
• M6: 3,286,516 km (0.066 R)
• M7: 3,752,363 km (0.103 R)
• M8: 4,262,193 km (0.11 R)
• M9: 5,154,395 km (0.109 R)
• M10: 5,558,458 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.3

Radius: 9.6

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.94 AU - 0.94 AU

Year: 598 Days

Day: 9.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,130,153 km

• M1: 122,670 km (0.114 R)
• M2: 452,982 km (0.109 R)
• M3: 838,496 km (0.099 R)
• M4: 1,222,963 km (0.044 R)
• M5: 1,832,275 km (0.102 R)
• M6: 2,389,976 km (0.07 R)
• M7: 2,973,557 km (0.087 R)
• M8: 3,396,021 km (0.092 R)
• M9: 3,815,793 km (0.088 R)
• M10: 4,727,442 km (0.049 R)
• M11: 5,027,536 km (0.083 R)
• M12: 5,703,120 km (0.115 R)
• M13: 6,377,956 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.1

Radius: 13.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.09 AU - 1.65 AU

Year: 1052 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,130,153 km

• M1: 174,730 km (0.112 R)
• M2: 770,429 km (0.068 R)
• M3: 1,412,952 km (0.049 R)
• M4: 2,305,154 km (0.064 R)
• M5: 2,999,288 km (0.112 R)
• M6: 4,631,999 km (0.109 R)
• M7: 6,751,202 km (0.116 R)
• M8: 7,429,479 km (0.118 R)
• M9: 7,999,597 km (0.114 R)
• M10: 10,034,576 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 13.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.76 AU - 2.74 AU

Year: 2214 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,130,153 km

• M1: 167,849 km (0.071 R)
• M2: 650,452 km (0.077 R)
• M3: 1,434,494 km (0.105 R)
• M4: 2,144,186 km (0.118 R)
• M5: 2,760,829 km (0.071 R)
• M6: 3,457,656 km (0.033 R)
• M7: 3,887,450 km (0.062 R)
• M8: 4,654,588 km (0.066 R)
• M9: 5,252,381 km (0.096 R)
• M10: 5,901,187 km (0.101 R)
• M11: 6,829,592 km (0.095 R)
• M12: 8,468,287 km (0.102 R)
• M13: 10,166,671 km (0.078 R)
• M14: 11,705,884 km (0.114 R)
• M15: 12,124,459 km (0.038 R)
• M16: 12,991,827 km (0.085 R)
• M17: 13,440,770 km (0.12 R)
• M18: 13,946,561 km (0.116 R)
• M19: 18,406,971 km (0.105 R)
• M20: 19,204,028 km (0.106 R)
• M21: 19,669,726 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.8

Radius: 14.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.62 AU - 2.72 AU

Year: 2862 Days

Day: 11.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,130,153 km

• M1: 177,872 km (0.116 R)
• M2: 788,979 km (0.093 R)
• M3: 1,240,765 km (0.117 R)
• M4: 1,722,171 km (0.072 R)
• M5: 2,219,733 km (0.034 R)
• M6: 2,995,548 km (0.095 R)
• M7: 3,628,347 km (0.081 R)
• M8: 4,133,988 km (0.068 R)
• M9: 4,617,937 km (0.1 R)
• M10: 5,090,816 km (0.111 R)
• M11: 5,915,249 km (0.107 R)
• M12: 6,561,512 km (0.066 R)
• M13: 9,002,650 km (0.12 R)
• M14: 9,480,466 km (0.099 R)
• M15: 10,014,081 km (0.119 R)
• M16: 10,975,697 km (0.028 R)
• M17: 12,623,218 km (0.118 R)
• M18: 13,458,722 km (0.118 R)
• M19: 14,579,808 km (0.061 R)
• M20: 15,974,360 km (0.054 R)
• M21: 16,458,459 km (0.051 R)
• M22: 20,818,788 km (0.064 R)
• M23: 22,317,310 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.7

Radius: 11.3

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.07 AU - 5.07 AU

Year: 5386 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,130,153 km

• M1: 141,370 km (0.09 R)
• M2: 611,257 km (0.044 R)
• M3: 982,110 km (0.111 R)
• M4: 1,874,312 km (0.119 R)
• M5: 2,298,721 km (0.088 R)
• M6: 2,860,012 km (0.078 R)
• M7: 3,510,912 km (0.055 R)
• M8: 4,813,311 km (0.105 R)
• M9: 5,359,344 km (0.12 R)
• M10: 5,795,571 km (0.074 R)
• M11: 6,414,308 km (0.027 R)
• M12: 8,498,655 km (0.112 R)
• M13: 9,380,534 km (0.046 R)
• M14: 11,046,307 km (0.097 R)
• M15: 11,468,023 km (0.067 R)
• M16: 12,047,266 km (0.086 R)
• M17: 12,544,679 km (0.079 R)
• M18: 14,229,151 km (0.041 R)
• M19: 17,468,992 km (0.118 R)
• M20: 18,171,354 km (0.098 R)
• M21: 19,428,874 km (0.095 R)
• M22: 20,113,583 km (0.102 R)
• M23: 29,185,797 km (0.112 R)
• M24: 30,631,660 km (0.066 R)
• M25: 31,000,568 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 12.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.01 AU - 5.15 AU

Year: 7511 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,130,153 km

• M1: 152,440 km (0.053 R)
• M2: 570,566 km (0.092 R)
• M3: 1,134,550 km (0.051 R)
• M4: 1,674,599 km (0.092 R)
• M5: 2,059,663 km (0.069 R)
• M6: 3,707,035 km (0.045 R)
• M7: 4,294,356 km (0.106 R)
• M8: 5,411,254 km (0.117 R)
• M9: 5,908,817 km (0.077 R)
• M10: 8,092,946 km (0.032 R)
• M11: 10,155,451 km (0.065 R)
• M12: 12,387,601 km (0.073 R)
• M13: 14,453,997 km (0.094 R)
• M14: 16,100,471 km (0.061 R)
• M15: 22,020,507 km (0.054 R)
• M16: 23,700,043 km (0.083 R)
• M17: 24,361,714 km (0.075 R)
• M18: 26,775,326 km (0.066 R)
• M19: 28,223,882 km (0.112 R)
• M20: 30,011,278 km (0.107 R)
• M21: 30,396,941 km (0.117 R)
• M22: 32,173,715 km (0.1 R)
• M23: 36,368,290 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 14.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.72 AU - 7.04 AU

Year: 9354 Days

Day: 12.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,130,153 km

• M1: 182,809 km (0.072 R)
• M2: 669,301 km (0.116 R)
• M3: 1,271,432 km (0.101 R)
• M4: 1,736,083 km (0.104 R)
• M5: 2,486,466 km (0.114 R)
• M6: 3,338,127 km (0.113 R)
• M7: 4,300,191 km (0.104 R)
• M8: 5,320,747 km (0.053 R)
• M9: 6,362,248 km (0.11 R)
• M10: 10,033,679 km (0.113 R)
• M11: 10,592,876 km (0.076 R)
• M12: 11,123,649 km (0.095 R)
• M13: 12,030,810 km (0.096 R)
• M14: 13,371,955 km (0.093 R)
• M15: 13,878,344 km (0.063 R)
• M16: 15,971,218 km (0.109 R)
• M17: 19,386,986 km (0.052 R)
• M18: 21,151,793 km (0.11 R)
• M19: 26,732,092 km (0.046 R)
• M20: 28,358,969 km (0.11 R)
• M21: 30,629,715 km (0.099 R)
• M22: 32,410,678 km (0.107 R)
• M23: 35,530,691 km (0.058 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.3

Radius: 3.9

Gravity: 61.23 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.64 AU - 10.22 AU

Year: 17506 Days

Day: 15.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,130,153 km

• M1: 48,619 km (0.113 R)
• M2: 401,072 km (0.097 R)
• M3: 825,331 km (0.1 R)
• M4: 950,096 km (0.101 R)
• M5: 1,196,035 km (0.104 R)
• M6: 1,466,807 km (0.103 R)
• M7: 1,616,854 km (0.093 R)
• M8: 1,909,018 km (0.112 R)
• M9: 2,171,563 km (0.07 R)
• M10: 2,412,116 km (0.112 R)
• M11: 3,051,497 km (0.103 R)
• M12: 3,241,337 km (0.069 R)
• M13: 3,705,090 km (0.106 R)
• M14: 4,620,929 km (0.068 R)
• M15: 4,981,759 km (0.056 R)
• M16: 5,518,067 km (0.095 R)
• M17: 5,924,076 km (0.096 R)
• M18: 6,177,046 km (0.081 R)
• M19: 6,979,339 km (0.118 R)
• M20: 8,951,488 km (0.093 R)
• M21: 10,273,484 km (0.078 R)
• M22: 15,639,261 km (0.116 R)
• M23: 21,217,017 km (0.034 R)
• M24: 23,024,758 km (0.057 R)
• M25: 23,231,801 km (0.08 R)
• M26: 23,860,262 km (0.12 R)
• M27: 24,715,663 km (0.109 R)
• M28: 25,591,409 km (0.112 R)
• M29: 28,699,304 km (0.079 R)
• M30: 31,031,236 km (0.106 R)
• M31: 37,193,471 km (0.091 R)
• M32: 37,621,471 km (0.106 R)
• M33: 38,487,343 km (0.102 R)
• M34: 48,057,718 km (0.086 R)
• M35: 49,764,031 km (0.087 R)
• M36: 50,632,147 km (0.103 R)
• M37: 55,124,721 km (0.088 R)
• M38: 68,245,352 km (0.104 R)
• M39: 74,614,332 km (0.079 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 14,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit