🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735

Radius: 13.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.82 AU - 1.32 AU

Year: 715 Days

Day: 8.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,937,264 km

• M1: 171,290 km (0.038 R)
• M2: 696,378 km (0.113 R)
• M3: 1,211,593 km (0.029 R)
• M4: 1,655,899 km (0.096 R)
• M5: 2,105,889 km (0.095 R)
• M6: 3,047,159 km (0.076 R)
• M7: 3,635,827 km (0.111 R)
• M8: 4,069,660 km (0.047 R)
• M9: 4,922,069 km (0.106 R)
• M10: 5,622,935 km (0.07 R)
• M11: 6,146,528 km (0.104 R)
• M12: 7,247,269 km (0.12 R)
• M13: 8,277,998 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.2

Radius: 14.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.05 AU - 1.57 AU

Year: 968 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,937,264 km

• M1: 176,077 km (0.112 R)
• M2: 656,136 km (0.104 R)
• M3: 1,273,377 km (0.09 R)
• M4: 1,870,721 km (0.045 R)
• M5: 2,425,580 km (0.076 R)
• M6: 3,028,160 km (0.112 R)
• M7: 3,520,636 km (0.112 R)
• M8: 4,456,820 km (0.092 R)
• M9: 4,975,326 km (0.072 R)
• M10: 5,422,773 km (0.078 R)
• M11: 6,195,297 km (0.1 R)
• M12: 7,173,218 km (0.068 R)
• M13: 7,629,342 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 8.3

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.36 AU - 2.46 AU

Year: 2416 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,937,264 km

• M1: 103,223 km (0.097 R)
• M2: 373,995 km (0.03 R)
• M3: 1,111,363 km (0.054 R)
• M4: 1,453,044 km (0.106 R)
• M5: 1,960,181 km (0.059 R)
• M6: 2,421,541 km (0.102 R)
• M7: 2,857,020 km (0.052 R)
• M8: 3,433,271 km (0.057 R)
• M9: 5,023,646 km (0.119 R)
• M10: 5,940,980 km (0.09 R)
• M11: 9,361,386 km (0.107 R)
• M12: 11,752,558 km (0.111 R)
• M13: 12,911,044 km (0.119 R)
• M14: 16,630,795 km (0.078 R)
• M15: 18,088,327 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 8.5

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.81 AU - 5.29 AU

Year: 7327 Days

Day: 5.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,937,264 km

• M1: 105,915 km (0.077 R)
• M2: 482,603 km (0.118 R)
• M3: 881,131 km (0.095 R)
• M4: 1,269,936 km (0.081 R)
• M5: 1,627,176 km (0.099 R)
• M6: 2,051,136 km (0.099 R)
• M7: 3,930,983 km (0.098 R)
• M8: 4,785,337 km (0.036 R)
• M9: 5,147,513 km (0.104 R)
• M10: 5,658,689 km (0.081 R)
• M11: 5,926,918 km (0.071 R)
• M12: 9,701,272 km (0.089 R)
• M13: 10,481,575 km (0.094 R)
• M14: 10,784,810 km (0.034 R)
• M15: 14,147,471 km (0.101 R)
• M16: 15,278,730 km (0.113 R)
• M17: 16,065,615 km (0.098 R)
• M18: 17,578,049 km (0.093 R)
• M19: 18,295,969 km (0.095 R)
• M20: 18,884,338 km (0.107 R)
• M21: 19,333,730 km (0.112 R)
• M22: 21,123,219 km (0.101 R)
• M23: 21,934,489 km (0.08 R)
• M24: 22,850,925 km (0.084 R)
• M25: 23,447,222 km (0.089 R)
• M26: 27,819,070 km (0.119 R)
• M27: 29,891,749 km (0.091 R)
• M28: 32,920,358 km (0.107 R)
• M29: 34,342,136 km (0.109 R)
• M30: 34,899,837 km (0.047 R)
• M31: 37,073,793 km (0.093 R)
• M32: 37,660,516 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.7

Radius: 11.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.96 AU - 5.86 AU

Year: 8125 Days

Day: 8.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,937,264 km

• M1: 165,306 km (0.088 R)
• M2: 578,944 km (0.11 R)
• M3: 2,299,469 km (0.069 R)
• M4: 3,352,039 km (0.081 R)
• M5: 7,121,607 km (0.09 R)
• M6: 8,121,220 km (0.103 R)
• M7: 10,072,574 km (0.106 R)
• M8: 10,439,687 km (0.102 R)
• M9: 11,818,082 km (0.076 R)
• M10: 13,608,320 km (0.065 R)
• M11: 14,007,148 km (0.098 R)
• M12: 16,623,016 km (0.107 R)
• M13: 24,741,094 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 14.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.23 AU - 6.33 AU

Year: 8972 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,937,264 km

• M1: 183,856 km (0.098 R)
• M2: 872,006 km (0.112 R)
• M3: 1,389,465 km (0.084 R)
• M4: 2,555,281 km (0.085 R)
• M5: 7,708,180 km (0.094 R)
• M6: 9,100,338 km (0.099 R)
• M7: 9,996,579 km (0.108 R)
• M8: 12,802,287 km (0.092 R)
• M9: 13,677,883 km (0.065 R)
• M10: 15,876,523 km (0.108 R)
• M11: 17,233,824 km (0.107 R)
• M12: 19,037,825 km (0.108 R)
• M13: 21,975,628 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.6

Radius: 3

Gravity: 36.84 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.23 AU - 7.99 AU

Year: 10973 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,937,264 km

• M1: 37,399 km (0.06 R)
• M2: 255,364 km (0.12 R)
• M3: 392,096 km (0.112 R)
• M4: 543,339 km (0.068 R)
• M5: 640,129 km (0.098 R)
• M6: 798,703 km (0.082 R)
• M7: 1,128,267 km (0.062 R)
• M8: 2,465,373 km (0.091 R)
• M9: 2,616,616 km (0.106 R)
• M10: 2,855,225 km (0.072 R)
• M11: 4,111,398 km (0.064 R)
• M12: 6,231,798 km (0.03 R)
• M13: 9,897,545 km (0.067 R)
• M14: 11,278,333 km (0.107 R)
• M15: 13,408,158 km (0.034 R)
• M16: 15,281,123 km (0.103 R)
• M17: 19,834,882 km (0.091 R)
• M18: 22,745,010 km (0.055 R)
• M19: 23,325,749 km (0.092 R)
• M20: 23,831,390 km (0.119 R)
• M21: 27,297,572 km (0.094 R)
• M22: 32,213,209 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.2

Radius: 6.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 6.58 AU - 7.22 AU

Year: 11703 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,937,264 km

• M1: 79,885 km (0.048 R)
• M2: 1,097,001 km (0.059 R)
• M3: 2,506,213 km (0.081 R)
• M4: 2,706,674 km (0.063 R)
• M5: 3,070,347 km (0.083 R)
• M6: 3,466,332 km (0.12 R)
• M7: 4,144,459 km (0.094 R)
• M8: 5,075,706 km (0.118 R)
• M9: 5,551,727 km (0.117 R)
• M10: 6,976,497 km (0.04 R)
• M11: 8,874,894 km (0.095 R)
• M12: 9,161,224 km (0.086 R)
• M13: 13,096,396 km (0.088 R)
• M14: 15,024,264 km (0.075 R)
• M15: 16,642,763 km (0.029 R)
• M16: 16,859,830 km (0.084 R)
• M17: 18,087,131 km (0.082 R)
• M18: 20,906,751 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.7

Radius: 6.6

Gravity: 20.17 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.32 AU - 10.56 AU

Year: 17259 Days

Day: 16.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,937,264 km

• M1: 82,129 km (0.099 R)
• M2: 334,650 km (0.045 R)
• M3: 663,167 km (0.071 R)
• M4: 1,851,722 km (0.084 R)
• M5: 2,377,409 km (0.097 R)
• M6: 2,723,579 km (0.115 R)
• M7: 3,574,492 km (0.1 R)
• M8: 4,061,133 km (0.043 R)
• M9: 6,722,928 km (0.086 R)
• M10: 9,271,627 km (0.104 R)
• M11: 10,187,914 km (0.105 R)
• M12: 10,486,362 km (0.113 R)
• M13: 11,163,292 km (0.077 R)
• M14: 13,799,356 km (0.099 R)
• M15: 14,461,776 km (0.057 R)
• M16: 15,068,246 km (0.101 R)
• M17: 15,849,894 km (0.077 R)
• M18: 17,835,956 km (0.059 R)
• M19: 18,095,358 km (0.102 R)
• M20: 20,168,486 km (0.092 R)
• M21: 21,897,388 km (0.069 R)
• M22: 22,495,032 km (0.117 R)
• M23: 26,647,869 km (0.111 R)
• M24: 29,082,574 km (0.119 R)
• M25: 34,522,850 km (0.075 R)
• M26: 36,016,286 km (0.096 R)
• M27: 37,552,058 km (0.067 R)
• M28: 40,306,902 km (0.099 R)
• M29: 41,657,621 km (0.118 R)
• M30: 43,193,393 km (0.095 R)
• M31: 46,704,605 km (0.046 R)
• M32: 47,528,291 km (0.062 R)
• M33: 47,860,398 km (0.112 R)
• M34: 49,886,103 km (0.094 R)
• M35: 51,442,369 km (0.116 R)
• M36: 56,676,948 km (0.111 R)
• M37: 57,991,615 km (0.055 R)
• M38: 61,662,148 km (0.08 R)
• M39: 70,535,246 km (0.103 R)
• M40: 74,712,917 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 13,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit