🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

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: 719.3

Radius: 13.2

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.14 AU - 1.16 AU

Year: 784 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 96,346,342 km

• M1: 164,109 km (0.115 R)
• M2: 737,518 km (0.045 R)
• M3: 1,176,138 km (0.108 R)
• M4: 1,769,593 km (0.08 R)
• M5: 2,683,038 km (0.098 R)
• M6: 3,169,231 km (0.105 R)
• M7: 3,786,920 km (0.088 R)
• M8: 4,434,829 km (0.116 R)
• M9: 5,487,848 km (0.051 R)
• M10: 6,257,679 km (0.094 R)
• M11: 6,964,230 km (0.047 R)
• M12: 7,534,347 km (0.107 R)
• M13: 8,872,949 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.3

Radius: 14.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.39 AU - 3.09 AU

Year: 2884 Days

Day: 12.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 96,346,342 km

• M1: 180,116 km (0.101 R)
• M2: 1,403,078 km (0.084 R)
• M3: 2,210,907 km (0.114 R)
• M4: 4,092,100 km (0.065 R)
• M5: 4,606,866 km (0.095 R)
• M6: 6,336,068 km (0.03 R)
• M7: 7,337,028 km (0.026 R)
• M8: 7,817,237 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.7

Radius: 9.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.5 AU - 3.74 AU

Year: 3504 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 78.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 96,346,342 km

• M1: 120,576 km (0.091 R)
• M2: 465,997 km (0.12 R)
• M3: 773,421 km (0.067 R)
• M4: 1,595,162 km (0.105 R)
• M5: 2,068,340 km (0.095 R)
• M6: 2,865,846 km (0.093 R)
• M7: 3,412,178 km (0.104 R)
• M8: 4,048,418 km (0.073 R)
• M9: 4,406,555 km (0.092 R)
• M10: 4,834,854 km (0.107 R)
• M11: 5,775,226 km (0.101 R)
• M12: 6,288,945 km (0.07 R)
• M13: 6,926,531 km (0.104 R)
• M14: 8,654,686 km (0.089 R)
• M15: 9,717,130 km (0.086 R)
• M16: 12,237,106 km (0.067 R)
• M17: 13,230,585 km (0.076 R)
• M18: 14,533,882 km (0.099 R)
• M19: 17,687,704 km (0.111 R)
• M20: 18,956,444 km (0.059 R)
• M21: 19,455,353 km (0.085 R)
• M22: 21,071,159 km (0.105 R)
• M23: 23,624,047 km (0.032 R)
• M24: 24,715,363 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 8.7

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.54 AU - 4.64 AU

Year: 5259 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 96,346,342 km

• M1: 108,159 km (0.047 R)
• M2: 391,647 km (0.102 R)
• M3: 845,078 km (0.102 R)
• M4: 1,434,195 km (0.067 R)
• M5: 2,730,311 km (0.077 R)
• M6: 3,245,376 km (0.071 R)
• M7: 4,356,888 km (0.056 R)
• M8: 4,890,354 km (0.115 R)
• M9: 6,429,567 km (0.091 R)
• M10: 8,063,026 km (0.063 R)
• M11: 9,196,230 km (0.111 R)
• M12: 9,571,122 km (0.119 R)
• M13: 10,152,759 km (0.097 R)
• M14: 15,790,953 km (0.072 R)
• M15: 17,556,507 km (0.093 R)
• M16: 18,724,567 km (0.106 R)
• M17: 19,388,632 km (0.069 R)
• M18: 20,005,873 km (0.055 R)
• M19: 20,827,764 km (0.039 R)
• M20: 21,672,094 km (0.071 R)
• M21: 22,810,384 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.8

Radius: 14.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.88 AU - 5.92 AU

Year: 6896 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,346,342 km

• M1: 182,958 km (0.114 R)
• M2: 668,852 km (0.113 R)
• M3: 1,472,043 km (0.102 R)
• M4: 2,427,225 km (0.098 R)
• M5: 3,881,167 km (0.115 R)
• M6: 4,704,853 km (0.113 R)
• M7: 5,582,394 km (0.077 R)
• M8: 6,977,693 km (0.076 R)
• M9: 7,738,847 km (0.103 R)
• M10: 8,355,340 km (0.113 R)
• M11: 11,012,647 km (0.037 R)
• M12: 11,545,964 km (0.116 R)
• M13: 14,476,436 km (0.083 R)
• M14: 15,837,777 km (0.105 R)
• M15: 16,834,099 km (0.113 R)
• M16: 20,003,330 km (0.113 R)
• M17: 20,872,344 km (0.084 R)
• M18: 22,685,769 km (0.088 R)
• M19: 24,032,449 km (0.101 R)
• M20: 26,538,064 km (0.087 R)
• M21: 29,121,320 km (0.116 R)
• M22: 29,862,428 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899

Radius: 8.2

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.4 AU - 5.68 AU

Year: 8291 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 96,346,342 km

• M1: 102,026 km (0.06 R)
• M2: 358,287 km (0.085 R)
• M3: 635,492 km (0.115 R)
• M4: 1,160,580 km (0.072 R)
• M5: 1,426,117 km (0.102 R)
• M6: 2,016,131 km (0.12 R)
• M7: 3,059,576 km (0.097 R)
• M8: 3,674,722 km (0.042 R)
• M9: 4,426,451 km (0.094 R)
• M10: 6,451,109 km (0.106 R)
• M11: 8,750,727 km (0.089 R)
• M12: 10,134,059 km (0.11 R)
• M13: 11,657,414 km (0.111 R)
• M14: 12,159,764 km (0.086 R)
• M15: 12,618,281 km (0.061 R)
• M16: 13,631,059 km (0.085 R)
• M17: 16,295,098 km (0.096 R)
• M18: 16,712,177 km (0.035 R)
• M19: 17,932,297 km (0.116 R)
• M20: 18,451,551 km (0.094 R)
• M21: 22,201,521 km (0.039 R)
• M22: 23,497,786 km (0.119 R)
• M23: 24,935,422 km (0.038 R)
• M24: 26,145,818 km (0.091 R)
• M25: 26,525,946 km (0.094 R)
• M26: 26,813,623 km (0.084 R)
• M27: 27,297,423 km (0.119 R)
• M28: 28,885,105 km (0.071 R)
• M29: 33,344,019 km (0.082 R)
• M30: 35,853,374 km (0.116 R)
• M31: 46,315,052 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868

Radius: 11.3

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.01 AU - 6.97 AU

Year: 9321 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 96,346,342 km

• M1: 140,622 km (0.088 R)
• M2: 680,521 km (0.108 R)
• M3: 1,178,233 km (0.089 R)
• M4: 2,293,036 km (0.109 R)
• M5: 3,023,373 km (0.05 R)
• M6: 3,849,602 km (0.077 R)
• M7: 4,259,351 km (0.082 R)
• M8: 5,598,700 km (0.092 R)
• M9: 7,740,643 km (0.092 R)
• M10: 8,307,170 km (0.075 R)
• M11: 9,136,989 km (0.103 R)
• M12: 9,523,251 km (0.076 R)
• M13: 11,453,512 km (0.114 R)
• M14: 13,261,253 km (0.085 R)
• M15: 15,727,673 km (0.075 R)
• M16: 16,143,256 km (0.041 R)
• M17: 22,936,794 km (0.058 R)
• M18: 23,292,388 km (0.073 R)
• M19: 25,126,608 km (0.112 R)
• M20: 26,466,706 km (0.106 R)
• M21: 27,753,098 km (0.051 R)
• M22: 28,157,162 km (0.112 R)
• M23: 34,350,513 km (0.079 R)
• M24: 38,321,888 km (0.073 R)
• M25: 40,612,232 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.6

Radius: 4

Gravity: 43.6 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.82 AU - 10.54 AU

Year: 20652 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 96,346,342 km

• M1: 49,966 km (0.116 R)
• M2: 520,900 km (0.109 R)
• M3: 763,248 km (0.082 R)
• M4: 928,255 km (0.109 R)
• M5: 2,181,137 km (0.105 R)
• M6: 3,315,238 km (0.086 R)
• M7: 3,757,300 km (0.101 R)
• M8: 6,572,134 km (0.116 R)
• M9: 6,844,551 km (0.115 R)
• M10: 7,857,329 km (0.097 R)
• M11: 8,585,721 km (0.087 R)
• M12: 9,188,600 km (0.08 R)
• M13: 9,644,575 km (0.082 R)
• M14: 10,235,486 km (0.118 R)
• M15: 11,359,266 km (0.118 R)
• M16: 11,685,538 km (0.083 R)
• M17: 12,701,607 km (0.079 R)
• M18: 13,053,013 km (0.103 R)
• M19: 15,457,350 km (0.115 R)
• M20: 23,556,429 km (0.06 R)
• M21: 24,516,398 km (0.077 R)
• M22: 25,391,396 km (0.099 R)
• M23: 28,618,073 km (0.04 R)
• M24: 30,080,691 km (0.111 R)
• M25: 30,453,938 km (0.109 R)
• M26: 38,292,118 km (0.12 R)
• M27: 39,024,699 km (0.08 R)
• M28: 46,043,382 km (0.034 R)
• M29: 50,109,303 km (0.112 R)
• M30: 50,985,497 km (0.071 R)
• M31: 57,025,960 km (0.082 R)
• M32: 61,506,716 km (0.075 R)
• M33: 62,712,923 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477

Radius: 5.5

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.88 AU - 10.54 AU

Year: 20743 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,346,342 km

• M1: 68,665 km (0.111 R)
• M2: 242,049 km (0.12 R)
• M3: 645,964 km (0.039 R)
• M4: 1,338,602 km (0.115 R)
• M5: 3,397,816 km (0.112 R)
• M6: 3,826,564 km (0.067 R)
• M7: 5,219,619 km (0.109 R)
• M8: 6,528,301 km (0.077 R)
• M9: 6,875,817 km (0.115 R)
• M10: 7,420,204 km (0.107 R)
• M11: 10,114,910 km (0.111 R)
• M12: 19,202,233 km (0.11 R)
• M13: 27,703,581 km (0.106 R)
• M14: 31,095,862 km (0.055 R)
• M15: 33,975,621 km (0.059 R)
• M16: 55,060,394 km (0.093 R)
• M17: 56,315,670 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.7

Radius: 4.5

Gravity: 48.63 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 10.58 AU - 11.78 AU

Year: 23768 Days

Day: 18.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 96,346,342 km

• M1: 55,950 km (0.061 R)
• M2: 457,769 km (0.081 R)
• M3: 1,454,690 km (0.113 R)
• M4: 1,767,948 km (0.098 R)
• M5: 2,952,464 km (0.092 R)
• M6: 3,391,982 km (0.093 R)
• M7: 4,623,771 km (0.065 R)
• M8: 5,012,875 km (0.09 R)
• M9: 5,215,431 km (0.101 R)
• M10: 7,088,546 km (0.073 R)
• M11: 7,292,298 km (0.092 R)
• M12: 7,765,326 km (0.087 R)
• M13: 10,245,809 km (0.089 R)
• M14: 11,523,674 km (0.078 R)
• M15: 12,828,915 km (0.106 R)
• M16: 13,989,495 km (0.088 R)
• M17: 14,554,227 km (0.114 R)
• M18: 14,966,968 km (0.093 R)
• M19: 15,134,218 km (0.066 R)
• M20: 15,557,730 km (0.104 R)
• M21: 20,339,027 km (0.073 R)
• M22: 20,544,276 km (0.104 R)
• M23: 23,790,699 km (0.097 R)
• M24: 24,594,638 km (0.117 R)
• M25: 26,377,845 km (0.093 R)
• M26: 33,652,939 km (0.116 R)
• M27: 35,105,085 km (0.076 R)
• M28: 36,902,204 km (0.071 R)
• M29: 41,167,838 km (0.112 R)
• M30: 45,400,111 km (0.049 R)
• M31: 55,312,766 km (0.118 R)
• M32: 66,123,605 km (0.074 R)
• M33: 67,253,518 km (0.078 R)
• M34: 70,017,937 km (0.059 R)
• M35: 70,720,598 km (0.113 R)
• M36: 83,135,426 km (0.112 R)
• M37: 87,666,147 km (0.069 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 19,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit