🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.5

Radius: 12.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.45 AU - 0.73 AU

Year: 307 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,732,963 km

• M1: 154,235 km (0.062 R)
• M2: 548,575 km (0.119 R)
• M3: 1,012,179 km (0.088 R)
• M4: 1,543,252 km (0.096 R)
• M5: 2,494,395 km (0.078 R)
• M6: 3,049,852 km (0.086 R)
• M7: 3,505,677 km (0.042 R)
• M8: 3,934,274 km (0.078 R)
• M9: 4,397,878 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 10.4

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.79 AU - 0.91 AU

Year: 532 Days

Day: 11.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 92,732,963 km

• M1: 136,732 km (0.099 R)
• M2: 574,755 km (0.099 R)
• M3: 1,050,027 km (0.119 R)
• M4: 1,379,891 km (0.08 R)
• M5: 1,750,145 km (0.108 R)
• M6: 2,655,661 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.9

Radius: 13

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.68 AU - 1.12 AU

Year: 579 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 92,732,963 km

• M1: 162,014 km (0.092 R)
• M2: 679,922 km (0.103 R)
• M3: 1,227,451 km (0.065 R)
• M4: 1,644,978 km (0.055 R)
• M5: 2,131,321 km (0.051 R)
• M6: 2,540,022 km (0.076 R)
• M7: 3,049,702 km (0.111 R)
• M8: 3,573,295 km (0.059 R)
• M9: 4,753,323 km (0.08 R)
• M10: 5,388,665 km (0.047 R)
• M11: 5,964,168 km (0.084 R)
• M12: 6,417,449 km (0.097 R)
• M13: 6,914,862 km (0.12 R)
• M14: 7,371,285 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 8.9

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.23 AU - 3.55 AU

Year: 3332 Days

Day: 7.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,732,963 km

• M1: 118,033 km (0.062 R)
• M2: 460,761 km (0.111 R)
• M3: 937,829 km (0.116 R)
• M4: 1,249,591 km (0.085 R)
• M5: 1,735,186 km (0.093 R)
• M6: 2,116,511 km (0.111 R)
• M7: 3,084,558 km (0.119 R)
• M8: 3,395,722 km (0.076 R)
• M9: 3,996,507 km (0.075 R)
• M10: 5,028,433 km (0.113 R)
• M11: 5,809,035 km (0.067 R)
• M12: 6,519,475 km (0.115 R)
• M13: 7,382,505 km (0.051 R)
• M14: 8,926,206 km (0.097 R)
• M15: 9,409,706 km (0.051 R)
• M16: 10,469,607 km (0.117 R)
• M17: 11,091,785 km (0.087 R)
• M18: 11,826,460 km (0.093 R)
• M19: 12,273,608 km (0.04 R)
• M20: 12,731,976 km (0.086 R)
• M21: 13,488,941 km (0.11 R)
• M22: 14,275,826 km (0.1 R)
• M23: 14,629,475 km (0.114 R)
• M24: 17,442,813 km (0.115 R)
• M25: 17,731,088 km (0.034 R)
• M26: 18,674,901 km (0.078 R)
• M27: 21,180,366 km (0.073 R)
• M28: 22,718,232 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 12.8

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.94 AU - 4.7 AU

Year: 5064 Days

Day: 14.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 92,732,963 km

• M1: 159,172 km (0.071 R)
• M2: 693,835 km (0.101 R)
• M3: 1,217,128 km (0.06 R)
• M4: 1,937,891 km (0.103 R)
• M5: 2,411,966 km (0.091 R)
• M6: 2,843,257 km (0.116 R)
• M7: 6,323,053 km (0.111 R)
• M8: 7,281,676 km (0.108 R)
• M9: 7,813,048 km (0.07 R)
• M10: 11,788,611 km (0.076 R)
• M11: 12,476,014 km (0.115 R)
• M12: 14,286,597 km (0.025 R)
• M13: 15,823,565 km (0.095 R)
• M14: 16,660,565 km (0.058 R)
• M15: 17,061,188 km (0.117 R)
• M16: 18,001,112 km (0.104 R)
• M17: 20,764,035 km (0.077 R)
• M18: 22,384,629 km (0.094 R)
• M19: 23,368,085 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.1

Radius: 4.8

Gravity: 16.28 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.45 AU - 7.13 AU

Year: 10700 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 92,732,963 km

• M1: 59,989 km (0.05 R)
• M2: 215,271 km (0.085 R)
• M3: 526,285 km (0.085 R)
• M4: 738,864 km (0.098 R)
• M5: 1,079,498 km (0.11 R)
• M6: 1,545,196 km (0.106 R)
• M7: 1,831,078 km (0.116 R)
• M8: 2,307,398 km (0.096 R)
• M9: 2,801,071 km (0.044 R)
• M10: 3,271,406 km (0.11 R)
• M11: 3,767,622 km (0.037 R)
• M12: 5,058,203 km (0.106 R)
• M13: 7,645,798 km (0.092 R)
• M14: 7,806,765 km (0.113 R)
• M15: 9,775,323 km (0.08 R)
• M16: 11,051,692 km (0.093 R)
• M17: 14,352,420 km (0.108 R)
• M18: 16,726,538 km (0.108 R)
• M19: 20,410,086 km (0.057 R)
• M20: 22,728,404 km (0.112 R)
• M21: 24,338,975 km (0.083 R)
• M22: 26,205,807 km (0.098 R)
• M23: 26,756,327 km (0.053 R)
• M24: 27,314,327 km (0.092 R)
• M25: 28,937,763 km (0.079 R)
• M26: 29,922,117 km (0.068 R)
• M27: 31,030,488 km (0.09 R)
• M28: 33,436,022 km (0.098 R)
• M29: 35,291,933 km (0.081 R)
• M30: 38,969,497 km (0.036 R)
• M31: 40,047,948 km (0.065 R)
• M32: 41,023,326 km (0.091 R)

Asteroid Belt

Center: 6.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.3

Radius: 6.4

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.32 AU - 7.56 AU

Year: 12400 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 92,732,963 km

• M1: 80,334 km (0.079 R)
• M2: 445,502 km (0.097 R)
• M3: 720,015 km (0.095 R)
• M4: 1,425,219 km (0.095 R)
• M5: 1,757,775 km (0.046 R)
• M6: 2,105,740 km (0.107 R)
• M7: 2,619,608 km (0.08 R)
• M8: 2,895,317 km (0.086 R)
• M9: 3,166,987 km (0.103 R)
• M10: 3,921,110 km (0.11 R)
• M11: 4,169,143 km (0.114 R)
• M12: 4,486,590 km (0.078 R)
• M13: 5,105,027 km (0.106 R)
• M14: 5,884,731 km (0.087 R)
• M15: 6,434,204 km (0.069 R)
• M16: 6,780,075 km (0.104 R)
• M17: 7,763,232 km (0.076 R)
• M18: 8,199,609 km (0.085 R)
• M19: 10,844,499 km (0.071 R)
• M20: 11,839,175 km (0.119 R)
• M21: 12,068,359 km (0.089 R)
• M22: 14,200,877 km (0.103 R)
• M23: 18,727,709 km (0.096 R)
• M24: 20,318,383 km (0.06 R)
• M25: 20,647,049 km (0.099 R)
• M26: 21,654,292 km (0.07 R)
• M27: 22,343,639 km (0.085 R)
• M28: 26,692,449 km (0.048 R)
• M29: 37,631,494 km (0.111 R)
• M30: 40,282,667 km (0.068 R)
• M31: 40,541,472 km (0.075 R)
• M32: 46,236,363 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.8

Radius: 5.5

Gravity: 18.44 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.62 AU - 11.14 AU

Year: 19485 Days

Day: 24 Hours

Environment

Temp: -240 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,732,963 km

• M1: 84,972 km (0.116 R)
• M2: 268,079 km (0.099 R)
• M3: 1,487,751 km (0.086 R)
• M4: 2,126,534 km (0.072 R)
• M5: 4,335,047 km (0.071 R)
• M6: 5,930,060 km (0.107 R)
• M7: 6,726,519 km (0.103 R)
• M8: 8,580,635 km (0.085 R)
• M9: 9,652,503 km (0.042 R)
• M10: 13,820,450 km (0.071 R)
• M11: 19,137,756 km (0.097 R)
• M12: 19,761,430 km (0.032 R)
• M13: 20,215,160 km (0.043 R)
• M14: 21,906,215 km (0.095 R)
• M15: 27,429,518 km (0.093 R)
• M16: 29,971,335 km (0.056 R)
• M17: 30,570,175 km (0.093 R)
• M18: 31,421,986 km (0.094 R)
• M19: 40,827,054 km (0.034 R)
• M20: 43,822,901 km (0.111 R)
• M21: 60,446,516 km (0.079 R)
• M22: 68,372,809 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.3

Radius: 5.8

Gravity: 26.91 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.55 AU - 10.65 AU

Year: 23407 Days

Day: 18.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,732,963 km

• M1: 72,256 km (0.089 R)
• M2: 378,632 km (0.096 R)
• M3: 918,082 km (0.082 R)
• M4: 1,259,315 km (0.082 R)
• M5: 1,835,865 km (0.091 R)
• M6: 2,172,311 km (0.091 R)
• M7: 3,051,797 km (0.101 R)
• M8: 3,910,339 km (0.116 R)
• M9: 4,182,756 km (0.079 R)
• M10: 4,431,388 km (0.106 R)
• M11: 5,116,546 km (0.117 R)
• M12: 5,401,231 km (0.086 R)
• M13: 6,742,974 km (0.113 R)
• M14: 7,699,354 km (0.06 R)
• M15: 10,774,637 km (0.103 R)
• M16: 11,107,642 km (0.102 R)
• M17: 11,654,721 km (0.099 R)
• M18: 15,404,691 km (0.093 R)
• M19: 17,052,212 km (0.088 R)
• M20: 17,687,854 km (0.083 R)
• M21: 26,833,071 km (0.082 R)
• M22: 30,379,887 km (0.075 R)
• M23: 32,817,883 km (0.084 R)
• M24: 33,942,111 km (0.083 R)
• M25: 37,316,890 km (0.086 R)
• M26: 46,105,465 km (0.084 R)
• M27: 47,871,169 km (0.12 R)
• M28: 54,211,725 km (0.113 R)
• M29: 56,576,718 km (0.098 R)
• M30: 57,987,575 km (0.073 R)
• M31: 59,421,770 km (0.103 R)
• M32: 65,836,527 km (0.06 R)
• M33: 75,570,412 km (0.111 R)
• M34: 75,813,059 km (0.069 R)
• M35: 79,266,526 km (0.055 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: 354 - 11,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit