🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.3

Radius: 10.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.51 AU - 0.75 AU

Year: 345 Days

Day: 13.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,623,218 km

• M1: 125,662 km (0.054 R)
• M2: 448,794 km (0.11 R)
• M3: 772,075 km (0.083 R)
• M4: 1,089,970 km (0.112 R)
• M5: 1,596,359 km (0.097 R)
• M6: 1,955,843 km (0.056 R)
• M7: 2,319,814 km (0.092 R)
• M8: 2,738,389 km (0.063 R)
• M9: 3,311,349 km (0.091 R)
• M10: 3,938,613 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.4

Radius: 14.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.77 AU - 0.83 AU

Year: 494 Days

Day: 6.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,623,218 km

• M1: 175,329 km (0.118 R)
• M2: 860,188 km (0.086 R)
• M3: 1,330,972 km (0.085 R)
• M4: 2,065,498 km (0.049 R)
• M5: 2,658,504 km (0.067 R)
• M6: 3,536,045 km (0.111 R)
• M7: 4,655,635 km (0.096 R)
• M8: 5,137,789 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.1

Radius: 14.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.79 AU - 1.17 AU

Year: 670 Days

Day: 11 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,623,218 km

• M1: 184,005 km (0.109 R)
• M2: 825,631 km (0.088 R)
• M3: 1,351,916 km (0.105 R)
• M4: 1,814,024 km (0.083 R)
• M5: 3,002,878 km (0.098 R)
• M6: 4,319,788 km (0.063 R)
• M7: 4,841,436 km (0.118 R)
• M8: 5,566,537 km (0.09 R)
• M9: 6,323,502 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 9.6

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.02 AU - 1.2 AU

Year: 807 Days

Day: 7 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,623,218 km

• M1: 119,379 km (0.045 R)
• M2: 471,832 km (0.077 R)
• M3: 1,130,062 km (0.048 R)
• M4: 1,451,997 km (0.102 R)
• M5: 1,754,035 km (0.087 R)
• M6: 2,160,193 km (0.112 R)
• M7: 2,749,908 km (0.119 R)
• M8: 3,530,510 km (0.04 R)
• M9: 3,894,033 km (0.06 R)
• M10: 4,520,997 km (0.097 R)
• M11: 4,987,743 km (0.119 R)
• M12: 5,446,858 km (0.103 R)
• M13: 6,039,116 km (0.115 R)
• M14: 6,472,053 km (0.065 R)
• M15: 6,810,293 km (0.115 R)
• M16: 7,871,242 km (0.104 R)
• M17: 9,635,150 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 9.1

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.02 AU - 1.36 AU

Year: 896 Days

Day: 6.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,623,218 km

• M1: 117,584 km (0.082 R)
• M2: 640,279 km (0.119 R)
• M3: 969,843 km (0.062 R)
• M4: 1,453,493 km (0.045 R)
• M5: 1,931,009 km (0.065 R)
• M6: 2,316,373 km (0.072 R)
• M7: 2,653,866 km (0.083 R)
• M8: 3,342,316 km (0.074 R)
• M9: 3,759,694 km (0.079 R)
• M10: 4,095,391 km (0.082 R)
• M11: 6,063,650 km (0.109 R)
• M12: 6,755,541 km (0.113 R)
• M13: 7,449,525 km (0.046 R)
• M14: 8,007,226 km (0.053 R)
• M15: 9,464,908 km (0.092 R)
• M16: 9,848,028 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160

Radius: 5.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.67 AU - 6.99 AU

Year: 10993 Days

Day: 22.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,623,218 km

• M1: 71,358 km (0.107 R)
• M2: 337,194 km (0.069 R)
• M3: 549,473 km (0.079 R)
• M4: 744,848 km (0.094 R)
• M5: 961,017 km (0.063 R)
• M6: 1,946,119 km (0.079 R)
• M7: 2,170,366 km (0.082 R)
• M8: 2,411,817 km (0.076 R)
• M9: 2,653,268 km (0.089 R)
• M10: 3,475,757 km (0.054 R)
• M11: 5,177,283 km (0.106 R)
• M12: 5,492,187 km (0.117 R)
• M13: 7,052,492 km (0.052 R)
• M14: 7,583,864 km (0.084 R)
• M15: 7,766,822 km (0.117 R)
• M16: 8,218,009 km (0.108 R)
• M17: 8,846,470 km (0.083 R)
• M18: 11,394,421 km (0.088 R)
• M19: 14,116,055 km (0.098 R)
• M20: 18,466,660 km (0.107 R)
• M21: 20,094,884 km (0.095 R)
• M22: 22,261,809 km (0.097 R)
• M23: 23,170,466 km (0.067 R)
• M24: 24,261,633 km (0.108 R)
• M25: 25,061,682 km (0.1 R)
• M26: 26,294,519 km (0.072 R)
• M27: 26,798,813 km (0.079 R)
• M28: 27,567,297 km (0.093 R)
• M29: 30,418,932 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.5

Radius: 8

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.72 AU - 8.28 AU

Year: 12784 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,623,218 km

• M1: 100,679 km (0.025 R)
• M2: 484,398 km (0.103 R)
• M3: 1,314,666 km (0.042 R)
• M4: 3,345,607 km (0.025 R)
• M5: 3,620,268 km (0.059 R)
• M6: 3,909,740 km (0.096 R)
• M7: 7,096,773 km (0.097 R)
• M8: 7,895,327 km (0.081 R)
• M9: 12,449,385 km (0.118 R)
• M10: 13,111,954 km (0.091 R)
• M11: 16,926,999 km (0.12 R)
• M12: 18,656,051 km (0.068 R)
• M13: 19,204,926 km (0.088 R)
• M14: 19,764,422 km (0.046 R)
• M15: 21,679,574 km (0.054 R)
• M16: 22,286,193 km (0.084 R)
• M17: 23,172,411 km (0.103 R)
• M18: 23,442,734 km (0.108 R)
• M19: 28,781,134 km (0.058 R)
• M20: 29,831,611 km (0.114 R)
• M21: 30,473,984 km (0.072 R)
• M22: 43,398,791 km (0.119 R)
• M23: 45,058,729 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.6

Radius: 7

Gravity: 17.44 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.28 AU - 8.78 AU

Year: 14263 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,623,218 km

• M1: 87,066 km (0.085 R)
• M2: 325,525 km (0.1 R)
• M3: 666,159 km (0.112 R)
• M4: 945,309 km (0.063 R)
• M5: 1,302,100 km (0.073 R)
• M6: 1,679,535 km (0.096 R)
• M7: 5,387,917 km (0.081 R)
• M8: 6,319,164 km (0.104 R)
• M9: 6,609,832 km (0.081 R)
• M10: 7,398,811 km (0.091 R)
• M11: 12,565,174 km (0.094 R)
• M12: 14,190,854 km (0.053 R)
• M13: 15,423,989 km (0.09 R)
• M14: 17,689,799 km (0.052 R)
• M15: 19,901,902 km (0.103 R)
• M16: 20,799,639 km (0.041 R)
• M17: 23,358,361 km (0.075 R)
• M18: 25,697,324 km (0.102 R)
• M19: 26,332,217 km (0.11 R)
• M20: 28,750,018 km (0.119 R)
• M21: 33,268,173 km (0.054 R)
• M22: 34,022,146 km (0.109 R)
• M23: 34,659,283 km (0.046 R)
• M24: 38,100,782 km (0.067 R)
• M25: 45,808,514 km (0.102 R)
• M26: 46,429,195 km (0.094 R)
• M27: 47,370,615 km (0.107 R)
• M28: 47,846,186 km (0.042 R)
• M29: 48,164,830 km (0.056 R)
• M30: 50,107,208 km (0.1 R)
• M31: 50,435,875 km (0.087 R)
• M32: 51,932,901 km (0.04 R)
• M33: 53,459,397 km (0.082 R)
• M34: 55,015,515 km (0.088 R)
• M35: 57,856,079 km (0.092 R)
• M36: 59,496,120 km (0.117 R)
• M37: 62,487,779 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.2

Radius: 7.2

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.79 AU - 11.43 AU

Year: 20563 Days

Day: 17.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,623,218 km

• M1: 89,609 km (0.103 R)
• M2: 359,484 km (0.116 R)
• M3: 684,859 km (0.115 R)
• M4: 2,796,134 km (0.081 R)
• M5: 3,309,404 km (0.09 R)
• M6: 4,821,390 km (0.093 R)
• M7: 5,392,405 km (0.026 R)
• M8: 12,835,797 km (0.102 R)
• M9: 13,497,019 km (0.041 R)
• M10: 23,029,545 km (0.078 R)
• M11: 33,378,726 km (0.113 R)
• M12: 34,283,494 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.1

Radius: 7.3

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.94 AU - 11.24 AU

Year: 22123 Days

Day: 24.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,623,218 km

• M1: 90,956 km (0.096 R)
• M2: 384,766 km (0.096 R)
• M3: 732,880 km (0.032 R)
• M4: 985,850 km (0.047 R)
• M5: 2,268,502 km (0.094 R)
• M6: 2,918,056 km (0.054 R)
• M7: 3,425,342 km (0.102 R)
• M8: 3,744,883 km (0.036 R)
• M9: 4,278,200 km (0.044 R)
• M10: 8,436,871 km (0.037 R)
• M11: 10,510,298 km (0.107 R)
• M12: 12,491,123 km (0.029 R)
• M13: 12,901,320 km (0.076 R)
• M14: 15,711,666 km (0.039 R)
• M15: 22,911,213 km (0.097 R)
• M16: 27,220,230 km (0.051 R)
• M17: 28,611,191 km (0.067 R)
• M18: 31,660,145 km (0.086 R)
• M19: 32,167,282 km (0.084 R)
• M20: 33,984,896 km (0.095 R)
• M21: 35,053,773 km (0.106 R)
• M22: 36,698,751 km (0.119 R)
• M23: 40,885,696 km (0.103 R)
• M24: 41,185,640 km (0.112 R)
• M25: 44,266,459 km (0.054 R)
• M26: 49,340,071 km (0.11 R)
• M27: 49,850,648 km (0.108 R)
• M28: 51,055,958 km (0.105 R)
• M29: 61,798,880 km (0.071 R)
• M30: 69,597,866 km (0.051 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: 254 - 19,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit