🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.55 AU - 0.61 AU

Year: 285 Days

Day: 18 Hours

Environment

Temp: -124 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 9.3

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.78 AU - 0.78 AU

Year: 445 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,671,305 km

• M1: 116,836 km (0.077 R)
• M2: 550,819 km (0.085 R)
• M3: 1,030,131 km (0.099 R)
• M4: 1,332,169 km (0.084 R)
• M5: 1,659,489 km (0.056 R)
• M6: 1,953,748 km (0.1 R)
• M7: 2,470,908 km (0.026 R)
• M8: 2,777,434 km (0.095 R)
• M9: 3,120,013 km (0.032 R)
• M10: 3,549,808 km (0.042 R)
• M11: 4,431,089 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.4

Radius: 13.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.68 AU - 1.12 AU

Year: 551 Days

Day: 14.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,671,305 km

• M1: 172,935 km (0.102 R)
• M2: 743,202 km (0.114 R)
• M3: 1,310,926 km (0.071 R)
• M4: 1,781,860 km (0.114 R)
• M5: 2,330,286 km (0.065 R)
• M6: 3,194,962 km (0.049 R)
• M7: 4,110,201 km (0.102 R)
• M8: 5,161,276 km (0.083 R)
• M9: 5,856,009 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 9.9

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.87 AU - 1.99 AU

Year: 1731 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 100.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,671,305 km

• M1: 123,269 km (0.101 R)
• M2: 478,713 km (0.041 R)
• M3: 849,267 km (0.076 R)
• M4: 1,282,802 km (0.096 R)
• M5: 1,594,414 km (0.117 R)
• M6: 2,001,171 km (0.12 R)
• M7: 2,541,219 km (0.085 R)
• M8: 3,490,268 km (0.029 R)
• M9: 3,825,666 km (0.109 R)
• M10: 4,164,206 km (0.108 R)
• M11: 5,194,936 km (0.093 R)
• M12: 6,436,748 km (0.092 R)
• M13: 7,287,361 km (0.114 R)
• M14: 9,273,871 km (0.104 R)
• M15: 9,789,236 km (0.065 R)
• M16: 10,632,818 km (0.06 R)
• M17: 12,775,658 km (0.088 R)
• M18: 13,782,452 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 9.1

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.57 AU - 2.43 AU

Year: 1826 Days

Day: 6.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,671,305 km

• M1: 113,395 km (0.055 R)
• M2: 451,337 km (0.105 R)
• M3: 921,373 km (0.107 R)
• M4: 1,300,155 km (0.068 R)
• M5: 1,934,151 km (0.116 R)
• M6: 2,833,384 km (0.078 R)
• M7: 3,476,954 km (0.048 R)
• M8: 3,788,865 km (0.09 R)
• M9: 4,138,326 km (0.039 R)
• M10: 4,881,379 km (0.116 R)
• M11: 5,477,526 km (0.109 R)
• M12: 5,925,721 km (0.092 R)
• M13: 6,449,314 km (0.077 R)
• M14: 6,868,637 km (0.086 R)
• M15: 9,710,697 km (0.114 R)
• M16: 10,332,575 km (0.119 R)
• M17: 10,761,921 km (0.096 R)
• M18: 12,318,786 km (0.12 R)
• M19: 13,805,191 km (0.096 R)
• M20: 14,458,485 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816

Radius: 13.4

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.43 AU - 7.17 AU

Year: 9019 Days

Day: 12.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,671,305 km

• M1: 167,101 km (0.099 R)
• M2: 656,286 km (0.087 R)
• M3: 1,367,773 km (0.04 R)
• M4: 1,927,718 km (0.097 R)
• M5: 2,822,164 km (0.084 R)
• M6: 3,353,236 km (0.043 R)
• M7: 5,200,172 km (0.086 R)
• M8: 5,625,927 km (0.101 R)
• M9: 7,775,798 km (0.118 R)
• M10: 8,965,999 km (0.073 R)
• M11: 9,532,526 km (0.055 R)
• M12: 16,517,998 km (0.083 R)
• M13: 20,751,618 km (0.099 R)
• M14: 21,410,298 km (0.118 R)
• M15: 23,736,844 km (0.095 R)
• M16: 25,471,880 km (0.093 R)
• M17: 26,418,386 km (0.103 R)
• M18: 27,388,229 km (0.12 R)
• M19: 29,091,101 km (0.063 R)
• M20: 30,335,007 km (0.101 R)
• M21: 32,157,558 km (0.061 R)
• M22: 33,712,329 km (0.085 R)
• M23: 36,971,618 km (0.114 R)
• M24: 41,593,145 km (0.045 R)
• M25: 42,377,337 km (0.08 R)
• M26: 42,905,417 km (0.09 R)
• M27: 45,612,540 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.9

Radius: 5.7

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.87 AU - 7.79 AU

Year: 10283 Days

Day: 15.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,671,305 km

• M1: 99,333 km (0.105 R)
• M2: 430,243 km (0.085 R)
• M3: 611,855 km (0.104 R)
• M4: 854,353 km (0.09 R)
• M5: 1,070,373 km (0.071 R)
• M6: 1,537,417 km (0.075 R)
• M7: 1,789,490 km (0.085 R)
• M8: 2,195,050 km (0.082 R)
• M9: 2,659,850 km (0.058 R)
• M10: 3,004,673 km (0.094 R)
• M11: 3,901,363 km (0.059 R)
• M12: 4,825,279 km (0.047 R)
• M13: 7,312,643 km (0.109 R)
• M14: 8,262,739 km (0.09 R)
• M15: 8,462,153 km (0.091 R)
• M16: 8,954,031 km (0.114 R)
• M17: 9,292,421 km (0.117 R)
• M18: 11,703,341 km (0.07 R)
• M19: 12,262,089 km (0.097 R)
• M20: 16,055,143 km (0.102 R)
• M21: 18,862,197 km (0.076 R)
• M22: 21,226,442 km (0.098 R)
• M23: 22,209,749 km (0.063 R)
• M24: 29,213,771 km (0.117 R)
• M25: 33,261,291 km (0.052 R)
• M26: 33,665,206 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.9

Radius: 7.3

Gravity: 14.02 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.33 AU - 8.01 AU

Year: 11123 Days

Day: 18.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,671,305 km

• M1: 92,152 km (0.107 R)
• M2: 399,127 km (0.073 R)
• M3: 776,862 km (0.07 R)
• M4: 1,956,441 km (0.067 R)
• M5: 2,516,685 km (0.061 R)
• M6: 2,969,069 km (0.052 R)
• M7: 4,382,918 km (0.119 R)
• M8: 5,901,337 km (0.074 R)
• M9: 8,791,568 km (0.101 R)
• M10: 10,353,220 km (0.08 R)
• M11: 12,329,109 km (0.1 R)
• M12: 12,691,285 km (0.092 R)
• M13: 13,437,180 km (0.113 R)
• M14: 14,677,496 km (0.08 R)
• M15: 15,290,847 km (0.1 R)
• M16: 16,278,791 km (0.091 R)
• M17: 17,534,965 km (0.037 R)
• M18: 17,993,333 km (0.106 R)
• M19: 19,906,989 km (0.068 R)
• M20: 20,913,034 km (0.097 R)
• M21: 22,844,642 km (0.1 R)
• M22: 23,760,779 km (0.101 R)
• M23: 25,471,281 km (0.108 R)
• M24: 25,764,194 km (0.052 R)
• M25: 27,160,541 km (0.107 R)
• M26: 29,135,532 km (0.084 R)
• M27: 33,719,510 km (0.097 R)
• M28: 34,547,384 km (0.079 R)
• M29: 34,786,442 km (0.117 R)
• M30: 36,987,326 km (0.12 R)
• M31: 38,505,146 km (0.103 R)
• M32: 40,592,933 km (0.116 R)
• M33: 44,285,158 km (0.084 R)
• M34: 47,013,674 km (0.1 R)
• M35: 47,898,097 km (0.079 R)
• M36: 48,493,795 km (0.106 R)
• M37: 52,961,536 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200

Radius: 4

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.39 AU - 8.17 AU

Year: 11399 Days

Day: 18.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,671,305 km

• M1: 49,966 km (0.106 R)
• M2: 197,020 km (0.099 R)
• M3: 331,060 km (0.096 R)
• M4: 709,244 km (0.099 R)
• M5: 903,571 km (0.067 R)
• M6: 1,195,885 km (0.089 R)
• M7: 1,693,448 km (0.085 R)
• M8: 2,234,244 km (0.101 R)
• M9: 2,653,717 km (0.032 R)
• M10: 4,027,175 km (0.066 R)
• M11: 5,566,686 km (0.119 R)
• M12: 7,609,146 km (0.08 R)
• M13: 9,090,315 km (0.108 R)
• M14: 9,966,061 km (0.082 R)
• M15: 10,239,525 km (0.026 R)
• M16: 13,977,079 km (0.115 R)
• M17: 15,562,218 km (0.093 R)
• M18: 17,657,485 km (0.096 R)
• M19: 18,395,751 km (0.111 R)
• M20: 20,733,666 km (0.032 R)
• M21: 21,029,870 km (0.059 R)
• M22: 26,160,628 km (0.078 R)
• M23: 27,118,952 km (0.117 R)
• M24: 28,281,477 km (0.068 R)
• M25: 30,228,943 km (0.054 R)
• M26: 32,066,154 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.6

Radius: 5.5

Gravity: 16.75 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.26 AU - 13.72 AU

Year: 23524 Days

Day: 23.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,671,305 km

• M1: 71,957 km (0.049 R)
• M2: 252,671 km (0.111 R)
• M3: 767,736 km (0.113 R)
• M4: 940,971 km (0.047 R)
• M5: 1,559,408 km (0.048 R)
• M6: 1,804,599 km (0.047 R)
• M7: 2,178,295 km (0.097 R)
• M8: 2,508,607 km (0.062 R)
• M9: 4,405,956 km (0.093 R)
• M10: 8,021,587 km (0.098 R)
• M11: 8,330,058 km (0.11 R)
• M12: 8,753,570 km (0.112 R)
• M13: 8,970,786 km (0.091 R)
• M14: 10,654,061 km (0.1 R)
• M15: 11,537,437 km (0.068 R)
• M16: 11,864,458 km (0.079 R)
• M17: 14,031,831 km (0.07 R)
• M18: 16,864,018 km (0.087 R)
• M19: 22,799,613 km (0.063 R)
• M20: 23,004,712 km (0.097 R)
• M21: 30,733,686 km (0.111 R)
• M22: 31,109,775 km (0.075 R)
• M23: 31,362,146 km (0.099 R)
• M24: 40,778,285 km (0.117 R)
• M25: 41,080,622 km (0.039 R)
• M26: 57,036,283 km (0.12 R)
• M27: 75,755,763 km (0.1 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: 497 - 13,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit