🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786

Radius: 10.6

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.61 AU - 0.79 AU

Year: 372 Days

Day: 8.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 32,994,360 km

• M1: 132,843 km (0.119 R)
• M2: 476,320 km (0.04 R)
• M3: 810,671 km (0.114 R)
• M4: 1,165,218 km (0.103 R)
• M5: 1,591,273 km (0.051 R)
• M6: 2,578,020 km (0.115 R)
• M7: 3,742,340 km (0.077 R)
• M8: 4,966,051 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.5

Radius: 10.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.97 AU - 1.59 AU

Year: 921 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,994,360 km

• M1: 129,552 km (0.072 R)
• M2: 488,736 km (0.111 R)
• M3: 1,488,050 km (0.113 R)
• M4: 1,903,035 km (0.061 R)
• M5: 2,483,175 km (0.117 R)
• M6: 3,201,394 km (0.031 R)
• M7: 3,609,647 km (0.11 R)
• M8: 4,080,581 km (0.081 R)
• M9: 4,576,947 km (0.101 R)
• M10: 4,919,376 km (0.113 R)
• M11: 5,603,487 km (0.118 R)
• M12: 6,541,466 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963

Radius: 14.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.44 AU - 1.62 AU

Year: 1203 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,994,360 km

• M1: 184,155 km (0.082 R)
• M2: 1,003,652 km (0.09 R)
• M3: 1,720,824 km (0.113 R)
• M4: 2,820,668 km (0.105 R)
• M5: 3,410,532 km (0.048 R)
• M6: 4,259,201 km (0.093 R)
• M7: 5,080,942 km (0.101 R)
• M8: 5,893,259 km (0.053 R)
• M9: 7,067,003 km (0.108 R)
• M10: 7,615,579 km (0.073 R)
• M11: 8,249,126 km (0.035 R)
• M12: 9,249,936 km (0.105 R)
• M13: 10,068,984 km (0.103 R)
• M14: 10,970,012 km (0.098 R)
• M15: 11,743,582 km (0.112 R)
• M16: 12,254,609 km (0.094 R)
• M17: 12,856,740 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.4

Radius: 13.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.85 AU - 3.15 AU

Year: 3304 Days

Day: 8.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,994,360 km

• M1: 162,912 km (0.087 R)
• M2: 774,468 km (0.074 R)
• M3: 1,634,207 km (0.076 R)
• M4: 2,469,562 km (0.117 R)
• M5: 4,183,056 km (0.032 R)
• M6: 5,328,975 km (0.037 R)
• M7: 6,212,052 km (0.077 R)
• M8: 8,406,802 km (0.111 R)
• M9: 10,910,771 km (0.081 R)
• M10: 12,423,355 km (0.04 R)
• M11: 12,880,227 km (0.104 R)
• M12: 13,348,319 km (0.089 R)
• M13: 16,950,187 km (0.106 R)
• M14: 17,856,451 km (0.11 R)
• M15: 20,138,117 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127

Radius: 11.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.79 AU - 3.71 AU

Year: 3725 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,994,360 km

• M1: 139,276 km (0.106 R)
• M2: 513,869 km (0.059 R)
• M3: 1,133,503 km (0.04 R)
• M4: 1,737,729 km (0.07 R)
• M5: 5,816,964 km (0.105 R)
• M6: 6,289,992 km (0.042 R)
• M7: 6,839,764 km (0.098 R)
• M8: 7,557,984 km (0.067 R)
• M9: 8,093,095 km (0.099 R)
• M10: 11,555,538 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609

Radius: 5.1

Gravity: 23.41 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.91 AU - 7.33 AU

Year: 10830 Days

Day: 16.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 32,994,360 km

• M1: 64,028 km (0.106 R)
• M2: 230,530 km (0.099 R)
• M3: 401,670 km (0.086 R)
• M4: 946,506 km (0.071 R)
• M5: 1,117,646 km (0.11 R)
• M6: 1,309,580 km (0.112 R)
• M7: 2,602,853 km (0.091 R)
• M8: 2,855,225 km (0.085 R)
• M9: 3,123,753 km (0.103 R)
• M10: 4,059,039 km (0.099 R)
• M11: 4,975,625 km (0.086 R)
• M12: 6,094,916 km (0.115 R)
• M13: 6,464,872 km (0.093 R)
• M14: 7,249,513 km (0.083 R)
• M15: 8,634,041 km (0.11 R)
• M16: 9,195,781 km (0.099 R)
• M17: 10,340,354 km (0.106 R)
• M18: 13,089,066 km (0.069 R)
• M19: 13,332,910 km (0.094 R)
• M20: 13,579,896 km (0.085 R)
• M21: 14,663,284 km (0.069 R)
• M22: 15,058,970 km (0.104 R)
• M23: 16,856,688 km (0.106 R)
• M24: 18,485,510 km (0.104 R)
• M25: 19,893,974 km (0.114 R)
• M26: 20,871,745 km (0.118 R)
• M27: 21,037,799 km (0.074 R)
• M28: 25,010,520 km (0.114 R)
• M29: 26,828,134 km (0.104 R)
• M30: 27,719,139 km (0.115 R)
• M31: 28,834,690 km (0.081 R)
• M32: 29,979,862 km (0.107 R)
• M33: 31,372,020 km (0.071 R)
• M34: 32,249,711 km (0.107 R)
• M35: 34,399,881 km (0.11 R)
• M36: 36,643,699 km (0.091 R)
• M37: 43,010,734 km (0.028 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.6

Radius: 6.2

Gravity: 24.7 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.07 AU - 7.81 AU

Year: 11624 Days

Day: 22.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 32,994,360 km

• M1: 77,043 km (0.102 R)
• M2: 327,919 km (0.08 R)
• M3: 563,535 km (0.082 R)
• M4: 882,777 km (0.111 R)
• M5: 1,150,557 km (0.114 R)
• M6: 2,140,446 km (0.056 R)
• M7: 2,417,053 km (0.077 R)
• M8: 2,695,006 km (0.112 R)
• M9: 3,444,641 km (0.11 R)
• M10: 6,441,385 km (0.062 R)
• M11: 6,809,246 km (0.065 R)
• M12: 7,062,216 km (0.106 R)
• M13: 8,763,443 km (0.117 R)
• M14: 9,215,229 km (0.074 R)
• M15: 9,420,926 km (0.061 R)
• M16: 10,219,928 km (0.111 R)
• M17: 10,607,835 km (0.118 R)
• M18: 10,890,875 km (0.074 R)
• M19: 14,832,629 km (0.041 R)
• M20: 16,059,631 km (0.105 R)
• M21: 17,588,072 km (0.049 R)
• M22: 19,547,056 km (0.088 R)
• M23: 21,108,559 km (0.112 R)
• M24: 23,796,384 km (0.086 R)
• M25: 27,545,755 km (0.119 R)
• M26: 27,758,932 km (0.1 R)
• M27: 30,517,816 km (0.118 R)
• M28: 31,437,843 km (0.118 R)
• M29: 36,189,370 km (0.031 R)
• M30: 37,742,346 km (0.106 R)
• M31: 39,204,516 km (0.12 R)
• M32: 48,157,948 km (0.074 R)
• M33: 48,622,749 km (0.082 R)
• M34: 53,768,317 km (0.103 R)
• M35: 56,988,860 km (0.094 R)
• M36: 58,032,006 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667

Radius: 4.8

Gravity: 28.95 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.31 AU - 7.89 AU

Year: 12029 Days

Day: 18.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,994,360 km

• M1: 61,784 km (0.068 R)
• M2: 263,442 km (0.047 R)
• M3: 451,636 km (0.057 R)
• M4: 981,512 km (0.09 R)
• M5: 1,237,922 km (0.111 R)
• M6: 1,689,858 km (0.115 R)
• M7: 2,206,868 km (0.119 R)
• M8: 2,461,035 km (0.114 R)
• M9: 3,028,310 km (0.076 R)
• M10: 3,651,834 km (0.051 R)
• M11: 4,357,188 km (0.086 R)
• M12: 4,726,096 km (0.065 R)
• M13: 4,918,329 km (0.094 R)
• M14: 7,960,551 km (0.073 R)
• M15: 8,511,670 km (0.089 R)
• M16: 8,989,934 km (0.117 R)
• M17: 14,196,539 km (0.029 R)
• M18: 14,800,316 km (0.059 R)
• M19: 16,937,022 km (0.116 R)
• M20: 17,086,321 km (0.086 R)
• M21: 17,846,428 km (0.112 R)
• M22: 22,254,179 km (0.103 R)
• M23: 27,131,369 km (0.043 R)
• M24: 30,419,081 km (0.078 R)
• M25: 43,513,084 km (0.064 R)
• M26: 51,669,010 km (0.092 R)
• M27: 53,574,289 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197

Radius: 3.7

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 7.67 AU - 7.77 AU

Year: 13638 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,994,360 km

• M1: 47,722 km (0.12 R)
• M2: 166,951 km (0.096 R)
• M3: 872,006 km (0.102 R)
• M4: 1,013,675 km (0.109 R)
• M5: 1,998,628 km (0.098 R)
• M6: 2,316,074 km (0.117 R)
• M7: 2,459,389 km (0.099 R)
• M8: 2,884,397 km (0.119 R)
• M9: 3,334,088 km (0.054 R)
• M10: 4,874,946 km (0.066 R)
• M11: 5,930,808 km (0.063 R)
• M12: 6,981,433 km (0.115 R)
• M13: 7,707,581 km (0.075 R)
• M14: 9,219,118 km (0.095 R)
• M15: 18,631,368 km (0.096 R)
• M16: 25,112,396 km (0.105 R)
• M17: 26,621,390 km (0.085 R)
• M18: 29,526,581 km (0.076 R)
• M19: 31,813,782 km (0.11 R)
• M20: 33,789,970 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.4

Radius: 3.3

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.79 AU - 11.99 AU

Year: 24441 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,994,360 km

• M1: 48,470 km (0.094 R)
• M2: 200,162 km (0.113 R)
• M3: 346,169 km (0.085 R)
• M4: 2,230,205 km (0.087 R)
• M5: 3,397,218 km (0.076 R)
• M6: 7,123,402 km (0.074 R)
• M7: 7,520,883 km (0.036 R)
• M8: 8,966,148 km (0.093 R)
• M9: 11,985,482 km (0.084 R)
• M10: 15,739,342 km (0.108 R)
• M11: 22,882,789 km (0.105 R)
• M12: 30,961,523 km (0.101 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: 353 - 19,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit