🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.6

Radius: 14.7

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.5 AU - 0.64 AU

Year: 302 Days

Day: 7 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,469,502 km

• M1: 182,809 km (0.091 R)
• M2: 646,113 km (0.109 R)
• M3: 1,168,359 km (0.087 R)
• M4: 1,792,182 km (0.105 R)
• M5: 2,296,776 km (0.103 R)
• M6: 2,827,549 km (0.101 R)
• M7: 3,406,792 km (0.099 R)
• M8: 3,877,278 km (0.11 R)
• M9: 4,735,969 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.4

Radius: 10.9

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.99 AU - 1.07 AU

Year: 735 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,469,502 km

• M1: 138,976 km (0.026 R)
• M2: 482,752 km (0.057 R)
• M3: 1,223,262 km (0.069 R)
• M4: 1,970,354 km (0.096 R)
• M5: 3,061,820 km (0.059 R)
• M6: 3,513,306 km (0.11 R)
• M7: 4,226,439 km (0.099 R)
• M8: 5,087,076 km (0.096 R)
• M9: 5,684,420 km (0.102 R)
• M10: 7,978,054 km (0.097 R)
• M11: 8,375,087 km (0.045 R)
• M12: 8,863,674 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.6

Radius: 13.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.2 AU - 3.02 AU

Year: 2964 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,469,502 km

• M1: 171,738 km (0.098 R)
• M2: 713,582 km (0.059 R)
• M3: 1,147,715 km (0.04 R)
• M4: 2,164,083 km (0.117 R)
• M5: 3,475,159 km (0.105 R)
• M6: 3,928,590 km (0.056 R)
• M7: 4,400,272 km (0.045 R)
• M8: 7,205,830 km (0.099 R)
• M9: 8,110,000 km (0.057 R)
• M10: 8,811,015 km (0.066 R)
• M11: 9,265,045 km (0.108 R)
• M12: 9,919,536 km (0.102 R)
• M13: 11,608,496 km (0.109 R)
• M14: 12,499,949 km (0.103 R)
• M15: 13,805,340 km (0.08 R)
• M16: 14,323,547 km (0.113 R)
• M17: 16,318,734 km (0.09 R)
• M18: 18,155,198 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.2

Radius: 11

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.73 AU - 3.11 AU

Year: 3507 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,469,502 km

• M1: 136,732 km (0.118 R)
• M2: 528,978 km (0.1 R)
• M3: 920,476 km (0.111 R)
• M4: 1,352,365 km (0.081 R)
• M5: 1,834,519 km (0.114 R)
• M6: 2,259,377 km (0.106 R)
• M7: 2,879,011 km (0.101 R)
• M8: 3,420,107 km (0.027 R)
• M9: 4,303,931 km (0.095 R)
• M10: 4,799,997 km (0.065 R)
• M11: 7,331,492 km (0.091 R)
• M12: 8,074,096 km (0.092 R)
• M13: 11,259,633 km (0.066 R)
• M14: 11,639,762 km (0.105 R)
• M15: 11,984,884 km (0.077 R)
• M16: 14,249,945 km (0.045 R)
• M17: 16,192,922 km (0.092 R)
• M18: 17,451,340 km (0.109 R)
• M19: 21,103,472 km (0.1 R)
• M20: 21,552,715 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.5

Radius: 13.1

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.43 AU - 5.43 AU

Year: 7694 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,469,502 km

• M1: 162,912 km (0.089 R)
• M2: 579,841 km (0.118 R)
• M3: 1,007,691 km (0.114 R)
• M4: 1,459,626 km (0.088 R)
• M5: 2,098,559 km (0.113 R)
• M6: 2,617,364 km (0.102 R)
• M7: 3,969,280 km (0.102 R)
• M8: 4,741,205 km (0.106 R)
• M9: 5,946,815 km (0.119 R)
• M10: 6,695,552 km (0.066 R)
• M11: 7,229,168 km (0.081 R)
• M12: 7,998,699 km (0.096 R)
• M13: 9,093,606 km (0.104 R)
• M14: 9,749,144 km (0.09 R)
• M15: 12,634,288 km (0.105 R)
• M16: 13,811,923 km (0.103 R)
• M17: 16,727,884 km (0.089 R)
• M18: 26,467,454 km (0.033 R)
• M19: 28,097,023 km (0.091 R)
• M20: 29,086,314 km (0.116 R)
• M21: 29,690,989 km (0.049 R)
• M22: 30,201,267 km (0.11 R)
• M23: 30,613,559 km (0.111 R)
• M24: 32,840,921 km (0.109 R)
• M25: 38,093,602 km (0.092 R)
• M26: 39,182,973 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.2

Radius: 3.2

Gravity: 23.36 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.18 AU - 9.42 AU

Year: 18350 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,469,502 km

• M1: 40,541 km (0.107 R)
• M2: 220,806 km (0.117 R)
• M3: 349,610 km (0.097 R)
• M4: 450,290 km (0.109 R)
• M5: 671,096 km (0.106 R)
• M6: 810,820 km (0.082 R)
• M7: 928,255 km (0.11 R)
• M8: 1,840,054 km (0.101 R)
• M9: 2,301,414 km (0.114 R)
• M10: 3,226,826 km (0.087 R)
• M11: 3,373,133 km (0.075 R)
• M12: 6,824,804 km (0.056 R)
• M13: 7,188,926 km (0.057 R)
• M14: 12,983,450 km (0.115 R)
• M15: 15,517,787 km (0.062 R)
• M16: 24,587,158 km (0.077 R)
• M17: 30,866,379 km (0.113 R)
• M18: 36,281,224 km (0.118 R)
• M19: 40,439,745 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.9

Radius: 6.4

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.1 AU - 11.54 AU

Year: 20000 Days

Day: 22.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,469,502 km

• M1: 116,387 km (0.098 R)
• M2: 430,692 km (0.108 R)
• M3: 708,795 km (0.117 R)
• M4: 985,850 km (0.091 R)
• M5: 1,940,284 km (0.065 R)
• M6: 2,411,069 km (0.073 R)
• M7: 2,652,669 km (0.091 R)
• M8: 3,208,725 km (0.076 R)
• M9: 3,707,185 km (0.069 R)
• M10: 3,947,738 km (0.038 R)
• M11: 4,198,763 km (0.073 R)
• M12: 4,519,950 km (0.1 R)
• M13: 5,548,435 km (0.079 R)
• M14: 5,935,595 km (0.08 R)
• M15: 7,205,830 km (0.102 R)
• M16: 10,323,749 km (0.094 R)
• M17: 11,517,091 km (0.071 R)
• M18: 11,915,470 km (0.1 R)
• M19: 12,920,918 km (0.063 R)
• M20: 14,500,671 km (0.054 R)
• M21: 18,267,546 km (0.104 R)
• M22: 19,924,791 km (0.119 R)
• M23: 22,286,941 km (0.103 R)
• M24: 25,018,299 km (0.075 R)
• M25: 26,958,135 km (0.067 R)
• M26: 29,205,394 km (0.115 R)
• M27: 34,418,880 km (0.059 R)
• M28: 41,004,627 km (0.039 R)
• M29: 41,665,999 km (0.093 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 15,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit