🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180

Radius: 14.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.64 AU - 0.86 AU

Year: 419 Days

Day: 6.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,635,855 km

• M1: 184,155 km (0.062 R)
• M2: 679,324 km (0.107 R)
• M3: 1,178,233 km (0.053 R)
• M4: 1,767,050 km (0.077 R)
• M5: 2,339,262 km (0.113 R)
• M6: 2,811,842 km (0.09 R)
• M7: 3,653,330 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.3

Radius: 9.2

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.64 AU - 0.98 AU

Year: 471 Days

Day: 14.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,635,855 km

• M1: 114,442 km (0.026 R)
• M2: 528,380 km (0.08 R)
• M3: 1,044,792 km (0.085 R)
• M4: 1,675,047 km (0.114 R)
• M5: 1,966,913 km (0.047 R)
• M6: 2,328,640 km (0.107 R)
• M7: 3,209,622 km (0.105 R)
• M8: 3,616,379 km (0.116 R)
• M9: 4,491,526 km (0.099 R)
• M10: 4,822,587 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.6

Radius: 12.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.66 AU - 3.16 AU

Year: 3205 Days

Day: 13.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,635,855 km

• M1: 168,148 km (0.047 R)
• M2: 777,759 km (0.102 R)
• M3: 1,181,823 km (0.066 R)
• M4: 1,698,085 km (0.079 R)
• M5: 2,307,098 km (0.072 R)
• M6: 3,968,383 km (0.086 R)
• M7: 5,124,325 km (0.046 R)
• M8: 6,522,318 km (0.105 R)
• M9: 7,030,651 km (0.119 R)
• M10: 7,597,777 km (0.078 R)
• M11: 8,435,824 km (0.097 R)
• M12: 9,597,302 km (0.062 R)
• M13: 10,059,410 km (0.115 R)
• M14: 12,688,891 km (0.074 R)
• M15: 17,220,959 km (0.082 R)
• M16: 18,078,603 km (0.097 R)
• M17: 18,904,533 km (0.102 R)
• M18: 20,822,976 km (0.082 R)
• M19: 22,061,048 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.3

Radius: 10.5

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.65 AU - 3.39 AU

Year: 3389 Days

Day: 6.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,635,855 km

• M1: 130,599 km (0.113 R)
• M2: 485,894 km (0.117 R)
• M3: 899,831 km (0.116 R)
• M4: 1,237,025 km (0.105 R)
• M5: 1,627,326 km (0.114 R)
• M6: 2,291,540 km (0.119 R)
• M7: 2,823,361 km (0.113 R)
• M8: 3,530,360 km (0.097 R)
• M9: 4,667,154 km (0.08 R)
• M10: 5,145,120 km (0.055 R)
• M11: 5,896,250 km (0.08 R)
• M12: 7,111,434 km (0.075 R)
• M13: 7,680,654 km (0.101 R)
• M14: 8,591,107 km (0.09 R)
• M15: 8,982,155 km (0.116 R)
• M16: 9,496,922 km (0.097 R)
• M17: 11,243,926 km (0.084 R)
• M18: 13,009,629 km (0.077 R)
• M19: 14,902,192 km (0.097 R)
• M20: 15,519,732 km (0.108 R)
• M21: 17,362,329 km (0.11 R)
• M22: 18,278,167 km (0.095 R)
• M23: 18,688,813 km (0.086 R)
• M24: 19,225,870 km (0.119 R)
• M25: 20,206,035 km (0.119 R)
• M26: 20,645,105 km (0.035 R)
• M27: 21,738,067 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.8

Radius: 12.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.76 AU - 4.04 AU

Year: 4973 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,635,855 km

• M1: 157,078 km (0.107 R)
• M2: 870,510 km (0.059 R)
• M3: 1,359,097 km (0.088 R)
• M4: 1,844,392 km (0.059 R)
• M5: 2,275,982 km (0.097 R)
• M6: 4,226,140 km (0.105 R)
• M7: 6,783,216 km (0.096 R)
• M8: 7,275,842 km (0.11 R)
• M9: 8,296,399 km (0.116 R)
• M10: 10,108,029 km (0.07 R)
• M11: 15,939,952 km (0.061 R)
• M12: 17,292,167 km (0.089 R)
• M13: 18,655,752 km (0.095 R)
• M14: 25,611,155 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.3

Radius: 14.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.85 AU - 5.73 AU

Year: 6769 Days

Day: 5.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,635,855 km

• M1: 182,809 km (0.113 R)
• M2: 695,780 km (0.116 R)
• M3: 1,153,848 km (0.111 R)
• M4: 1,713,195 km (0.103 R)
• M5: 2,297,225 km (0.088 R)
• M6: 2,772,348 km (0.051 R)
• M7: 3,925,598 km (0.082 R)
• M8: 4,557,050 km (0.049 R)
• M9: 5,793,028 km (0.076 R)
• M10: 7,512,506 km (0.093 R)
• M11: 10,650,022 km (0.073 R)
• M12: 11,307,205 km (0.111 R)
• M13: 12,536,302 km (0.084 R)
• M14: 14,636,506 km (0.047 R)
• M15: 15,449,720 km (0.119 R)
• M16: 16,759,449 km (0.119 R)
• M17: 18,427,466 km (0.069 R)
• M18: 20,356,979 km (0.051 R)
• M19: 21,769,333 km (0.113 R)
• M20: 22,499,669 km (0.049 R)
• M21: 27,043,854 km (0.118 R)
• M22: 28,268,911 km (0.094 R)
• M23: 29,926,306 km (0.078 R)
• M24: 32,270,804 km (0.108 R)
• M25: 34,625,624 km (0.071 R)
• M26: 35,732,947 km (0.115 R)
• M27: 36,863,907 km (0.086 R)
• M28: 37,669,641 km (0.104 R)
• M29: 39,555,472 km (0.11 R)
• M30: 40,036,579 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 15

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.4 AU - 6.8 AU

Year: 8557 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,635,855 km

• M1: 187,745 km (0.054 R)
• M2: 663,167 km (0.092 R)
• M3: 1,156,392 km (0.094 R)
• M4: 1,949,709 km (0.116 R)
• M5: 3,662,605 km (0.119 R)
• M6: 4,357,487 km (0.112 R)
• M7: 10,308,340 km (0.099 R)
• M8: 14,236,033 km (0.095 R)
• M9: 16,199,056 km (0.114 R)
• M10: 17,562,042 km (0.109 R)
• M11: 26,625,130 km (0.054 R)
• M12: 30,969,302 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.2

Radius: 8.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.12 AU - 6.7 AU

Year: 9277 Days

Day: 5.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,635,855 km

• M1: 110,403 km (0.062 R)
• M2: 1,752,240 km (0.11 R)
• M3: 3,301,326 km (0.094 R)
• M4: 7,066,704 km (0.073 R)
• M5: 7,886,351 km (0.117 R)
• M6: 10,396,902 km (0.119 R)
• M7: 11,356,722 km (0.078 R)
• M8: 13,674,442 km (0.055 R)
• M9: 14,648,923 km (0.05 R)
• M10: 17,782,699 km (0.12 R)
• M11: 18,665,326 km (0.099 R)
• M12: 22,178,184 km (0.081 R)
• M13: 24,833,995 km (0.113 R)
• M14: 27,694,755 km (0.097 R)
• M15: 33,242,292 km (0.063 R)
• M16: 33,547,921 km (0.026 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.5

Radius: 6.4

Gravity: 22.35 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.86 AU - 7.88 AU

Year: 12919 Days

Day: 21.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 122.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 78,635,855 km

• M1: 79,586 km (0.103 R)
• M2: 321,635 km (0.108 R)
• M3: 550,520 km (0.119 R)
• M4: 1,366,277 km (0.109 R)
• M5: 2,148,375 km (0.107 R)
• M6: 2,581,610 km (0.091 R)
• M7: 2,973,557 km (0.071 R)
• M8: 3,457,805 km (0.093 R)
• M9: 3,993,216 km (0.069 R)
• M10: 4,296,600 km (0.084 R)
• M11: 4,780,250 km (0.042 R)
• M12: 5,017,961 km (0.117 R)
• M13: 6,996,992 km (0.04 R)
• M14: 7,303,966 km (0.03 R)
• M15: 8,425,502 km (0.095 R)
• M16: 9,550,627 km (0.11 R)
• M17: 12,410,191 km (0.057 R)
• M18: 13,725,605 km (0.09 R)
• M19: 15,719,595 km (0.09 R)
• M20: 19,487,516 km (0.047 R)
• M21: 21,996,572 km (0.106 R)
• M22: 24,312,048 km (0.058 R)
• M23: 27,536,779 km (0.095 R)
• M24: 29,082,275 km (0.048 R)
• M25: 30,105,823 km (0.089 R)
• M26: 31,745,267 km (0.067 R)
• M27: 31,984,324 km (0.088 R)
• M28: 36,887,993 km (0.091 R)
• M29: 37,417,569 km (0.101 R)
• M30: 38,900,084 km (0.105 R)
• M31: 41,552,454 km (0.105 R)
• M32: 47,058,853 km (0.116 R)
• M33: 58,589,707 km (0.029 R)
• M34: 58,949,490 km (0.111 R)
• M35: 59,855,155 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.9

Radius: 6.7

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.03 AU - 11.23 AU

Year: 20818 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,635,855 km

• M1: 83,476 km (0.048 R)
• M2: 327,769 km (0.045 R)
• M3: 1,182,870 km (0.112 R)
• M4: 1,448,107 km (0.117 R)
• M5: 2,141,194 km (0.08 R)
• M6: 2,515,189 km (0.088 R)
• M7: 2,906,238 km (0.074 R)
• M8: 3,280,981 km (0.104 R)
• M9: 4,851,309 km (0.092 R)
• M10: 6,866,393 km (0.118 R)
• M11: 7,241,435 km (0.119 R)
• M12: 7,981,346 km (0.064 R)
• M13: 9,156,287 km (0.057 R)
• M14: 9,961,423 km (0.09 R)
• M15: 10,320,608 km (0.096 R)
• M16: 15,568,950 km (0.099 R)
• M17: 20,578,982 km (0.042 R)
• M18: 21,063,979 km (0.1 R)
• M19: 21,457,271 km (0.114 R)
• M20: 22,462,120 km (0.108 R)
• M21: 23,393,068 km (0.102 R)
• M22: 24,673,925 km (0.063 R)
• M23: 26,113,655 km (0.073 R)
• M24: 28,317,082 km (0.088 R)
• M25: 33,090,301 km (0.078 R)
• M26: 33,488,531 km (0.066 R)
• M27: 39,404,079 km (0.085 R)
• M28: 40,151,620 km (0.071 R)
• M29: 40,908,585 km (0.071 R)
• M30: 46,309,966 km (0.112 R)
• M31: 54,164,003 km (0.086 R)
• M32: 56,398,996 km (0.074 R)
• M33: 56,777,329 km (0.108 R)
• M34: 58,500,995 km (0.109 R)
• M35: 60,062,199 km (0.074 R)
• M36: 62,253,957 km (0.063 R)
• M37: 65,745,123 km (0.076 R)
• M38: 72,220,466 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 10,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit