🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.8

Radius: 10.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.07 AU - 1.23 AU

Year: 836 Days

Day: 7.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,992,266 km

• M1: 126,859 km (0.095 R)
• M2: 448,494 km (0.056 R)
• M3: 1,006,195 km (0.105 R)
• M4: 1,398,291 km (0.087 R)
• M5: 1,796,820 km (0.097 R)
• M6: 2,373,370 km (0.045 R)
• M7: 2,971,014 km (0.044 R)
• M8: 3,881,616 km (0.091 R)
• M9: 4,370,053 km (0.119 R)
• M10: 4,779,951 km (0.114 R)
• M11: 5,360,092 km (0.082 R)
• M12: 5,849,875 km (0.046 R)
• M13: 6,577,070 km (0.049 R)
• M14: 7,318,178 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503

Radius: 11.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.5 AU - 1.6 AU

Year: 1309 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,992,266 km

• M1: 143,016 km (0.079 R)
• M2: 591,061 km (0.116 R)
• M3: 958,324 km (0.077 R)
• M4: 1,429,856 km (0.056 R)
• M5: 1,837,660 km (0.044 R)
• M6: 2,312,484 km (0.119 R)
• M7: 3,193,167 km (0.034 R)
• M8: 3,618,473 km (0.118 R)
• M9: 4,148,648 km (0.098 R)
• M10: 5,507,146 km (0.053 R)
• M11: 6,973,056 km (0.082 R)
• M12: 7,591,344 km (0.092 R)
• M13: 8,463,200 km (0.102 R)
• M14: 9,254,124 km (0.063 R)
• M15: 11,016,238 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.2

Radius: 12.8

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.68 AU - 2.64 AU

Year: 2153 Days

Day: 9.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,992,266 km

• M1: 215,870 km (0.073 R)
• M2: 670,946 km (0.111 R)
• M3: 1,080,097 km (0.057 R)
• M4: 1,774,829 km (0.113 R)
• M5: 2,410,321 km (0.086 R)
• M6: 2,898,758 km (0.114 R)
• M7: 3,638,669 km (0.088 R)
• M8: 4,367,659 km (0.038 R)
• M9: 5,534,074 km (0.09 R)
• M10: 7,793,600 km (0.087 R)
• M11: 8,295,202 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.9

Radius: 11.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.58 AU - 4 AU

Year: 4047 Days

Day: 10.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,992,266 km

• M1: 138,079 km (0.105 R)
• M2: 601,982 km (0.098 R)
• M3: 1,096,104 km (0.084 R)
• M4: 2,245,913 km (0.055 R)
• M5: 2,607,790 km (0.106 R)
• M6: 3,981,547 km (0.046 R)
• M7: 4,763,795 km (0.077 R)
• M8: 6,445,574 km (0.082 R)
• M9: 6,954,057 km (0.106 R)
• M10: 7,420,952 km (0.119 R)
• M11: 9,341,041 km (0.116 R)
• M12: 10,161,136 km (0.094 R)
• M13: 11,028,505 km (0.077 R)
• M14: 11,850,545 km (0.069 R)
• M15: 13,463,509 km (0.108 R)
• M16: 14,563,203 km (0.1 R)
• M17: 15,778,536 km (0.119 R)
• M18: 16,294,649 km (0.087 R)
• M19: 16,762,890 km (0.056 R)
• M20: 19,500,980 km (0.056 R)
• M21: 21,460,712 km (0.066 R)
• M22: 23,622,551 km (0.054 R)
• M23: 24,222,738 km (0.057 R)
• M24: 25,142,166 km (0.077 R)
• M25: 25,610,557 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 12.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.21 AU - 3.69 AU

Year: 4346 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,992,266 km

• M1: 150,495 km (0.116 R)
• M2: 538,403 km (0.089 R)
• M3: 953,686 km (0.1 R)
• M4: 1,386,024 km (0.059 R)
• M5: 1,859,502 km (0.113 R)
• M6: 2,472,105 km (0.082 R)
• M7: 3,755,655 km (0.063 R)
• M8: 4,473,276 km (0.078 R)
• M9: 4,941,367 km (0.047 R)
• M10: 5,414,845 km (0.109 R)
• M11: 6,484,170 km (0.028 R)
• M12: 7,793,002 km (0.107 R)
• M13: 11,919,360 km (0.11 R)
• M14: 13,467,249 km (0.109 R)
• M15: 16,608,206 km (0.095 R)
• M16: 17,195,228 km (0.097 R)
• M17: 18,163,276 km (0.116 R)
• M18: 18,660,689 km (0.085 R)
• M19: 19,103,349 km (0.096 R)
• M20: 19,553,040 km (0.091 R)
• M21: 21,561,092 km (0.109 R)
• M22: 24,825,617 km (0.03 R)
• M23: 26,376,947 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 8.7

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.33 AU - 3.77 AU

Year: 4537 Days

Day: 5.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,992,266 km

• M1: 122,670 km (0.07 R)
• M2: 1,456,036 km (0.118 R)
• M3: 1,838,408 km (0.112 R)
• M4: 3,705,988 km (0.07 R)
• M5: 4,439,766 km (0.102 R)
• M6: 6,387,530 km (0.088 R)
• M7: 6,869,385 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.9

Radius: 7.7

Gravity: 14.25 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.24 AU - 10.22 AU

Year: 20585 Days

Day: 21.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,992,266 km

• M1: 95,743 km (0.106 R)
• M2: 462,257 km (0.094 R)
• M3: 750,533 km (0.103 R)
• M4: 1,174,044 km (0.094 R)
• M5: 2,294,532 km (0.065 R)
• M6: 2,844,005 km (0.119 R)
• M7: 4,037,347 km (0.096 R)
• M8: 4,727,442 km (0.098 R)
• M9: 5,739,023 km (0.115 R)
• M10: 7,221,987 km (0.094 R)
• M11: 11,052,889 km (0.078 R)
• M12: 12,326,266 km (0.049 R)
• M13: 13,034,462 km (0.079 R)
• M14: 15,727,523 km (0.097 R)
• M15: 20,674,725 km (0.088 R)
• M16: 21,370,654 km (0.094 R)
• M17: 24,862,867 km (0.099 R)
• M18: 26,685,418 km (0.075 R)
• M19: 32,022,023 km (0.106 R)
• M20: 33,902,169 km (0.041 R)
• M21: 34,452,689 km (0.03 R)
• M22: 40,442,887 km (0.094 R)
• M23: 41,373,984 km (0.055 R)
• M24: 42,002,594 km (0.098 R)
• M25: 46,582,234 km (0.117 R)
• M26: 47,091,914 km (0.109 R)
• M27: 47,433,595 km (0.07 R)
• M28: 47,777,072 km (0.067 R)
• M29: 48,642,944 km (0.097 R)
• M30: 49,167,435 km (0.069 R)
• M31: 55,950,202 km (0.078 R)
• M32: 58,868,856 km (0.115 R)
• M33: 59,464,555 km (0.094 R)
• M34: 66,070,498 km (0.051 R)
• M35: 67,795,361 km (0.113 R)
• M36: 83,185,093 km (0.146 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.7

Radius: 7.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.71 AU - 10.99 AU

Year: 20967 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,992,266 km

• M1: 113,096 km (0.076 R)
• M2: 604,974 km (0.095 R)
• M3: 2,338,664 km (0.078 R)
• M4: 2,669,574 km (0.066 R)
• M5: 3,597,530 km (0.09 R)
• M6: 3,959,108 km (0.112 R)
• M7: 4,488,535 km (0.097 R)
• M8: 4,846,522 km (0.044 R)
• M9: 6,472,651 km (0.057 R)
• M10: 7,008,361 km (0.115 R)
• M11: 7,824,717 km (0.114 R)
• M12: 9,841,146 km (0.044 R)
• M13: 17,053,559 km (0.093 R)
• M14: 18,751,046 km (0.117 R)
• M15: 18,980,529 km (0.103 R)
• M16: 24,062,369 km (0.111 R)
• M17: 25,531,420 km (0.04 R)
• M18: 39,876,659 km (0.071 R)
• M19: 40,256,338 km (0.102 R)
• M20: 40,766,467 km (0.1 R)
• M21: 41,929,740 km (0.097 R)
• M22: 45,828,709 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329

Radius: 6.2

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.44 AU - 10.74 AU

Year: 21738 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,992,266 km

• M1: 77,193 km (0.11 R)
• M2: 289,472 km (0.105 R)
• M3: 536,458 km (0.104 R)
• M4: 747,092 km (0.034 R)
• M5: 1,048,382 km (0.06 R)
• M6: 1,897,499 km (0.082 R)
• M7: 2,297,225 km (0.057 R)
• M8: 3,925,149 km (0.115 R)
• M9: 4,771,723 km (0.108 R)
• M10: 5,149,458 km (0.075 R)
• M11: 5,546,790 km (0.109 R)
• M12: 6,042,707 km (0.085 R)
• M13: 7,078,522 km (0.058 R)
• M14: 11,606,401 km (0.081 R)
• M15: 12,163,055 km (0.104 R)
• M16: 13,734,880 km (0.091 R)
• M17: 14,926,876 km (0.118 R)
• M18: 17,038,150 km (0.12 R)
• M19: 18,412,805 km (0.088 R)
• M20: 27,261,519 km (0.068 R)
• M21: 29,137,028 km (0.113 R)
• M22: 34,513,276 km (0.1 R)
• M23: 35,021,011 km (0.082 R)
• M24: 36,051,142 km (0.06 R)
• M25: 37,101,469 km (0.065 R)
• M26: 38,851,465 km (0.057 R)
• M27: 39,125,378 km (0.062 R)
• M28: 40,234,497 km (0.1 R)
• M29: 41,506,976 km (0.115 R)
• M30: 44,880,408 km (0.106 R)
• M31: 45,182,147 km (0.068 R)
• M32: 45,485,083 km (0.087 R)
• M33: 51,834,765 km (0.111 R)
• M34: 53,003,423 km (0.076 R)
• M35: 57,675,813 km (0.095 R)
• M36: 59,655,592 km (0.1 R)
• M37: 61,123,596 km (0.12 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 19,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit