🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39

Radius: 10.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.44 AU - 0.66 AU

Year: 272 Days

Day: 6.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,920,923 km

• M1: 125,662 km (0.105 R)
• M2: 440,715 km (0.119 R)
• M3: 978,968 km (0.086 R)
• M4: 1,546,244 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.6

Radius: 8.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.32 AU - 1.94 AU

Year: 1388 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,920,923 km

• M1: 109,506 km (0.117 R)
• M2: 428,897 km (0.118 R)
• M3: 790,774 km (0.104 R)
• M4: 1,096,403 km (0.108 R)
• M5: 1,482,066 km (0.036 R)
• M6: 2,128,179 km (0.112 R)
• M7: 2,408,975 km (0.08 R)
• M8: 2,724,776 km (0.111 R)
• M9: 3,324,513 km (0.105 R)
• M10: 3,680,556 km (0.084 R)
• M11: 4,497,810 km (0.089 R)
• M12: 5,178,629 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.9

Radius: 9.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.53 AU - 4.05 AU

Year: 3979 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,920,923 km

• M1: 115,639 km (0.099 R)
• M2: 888,013 km (0.065 R)
• M3: 1,286,392 km (0.114 R)
• M4: 1,856,958 km (0.086 R)
• M5: 3,027,711 km (0.113 R)
• M6: 3,533,950 km (0.099 R)
• M7: 4,652,793 km (0.058 R)
• M8: 5,125,522 km (0.115 R)
• M9: 5,535,869 km (0.117 R)
• M10: 5,894,455 km (0.089 R)
• M11: 6,526,656 km (0.058 R)
• M12: 7,119,662 km (0.089 R)
• M13: 11,081,163 km (0.091 R)
• M14: 11,768,715 km (0.048 R)
• M15: 12,363,067 km (0.056 R)
• M16: 12,977,466 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768

Radius: 11.4

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.06 AU - 3.82 AU

Year: 4255 Days

Day: 7.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,920,923 km

• M1: 141,819 km (0.062 R)
• M2: 553,961 km (0.049 R)
• M3: 2,323,853 km (0.083 R)
• M4: 2,996,296 km (0.056 R)
• M5: 4,220,605 km (0.04 R)
• M6: 5,223,658 km (0.107 R)
• M7: 5,868,724 km (0.119 R)
• M8: 6,286,851 km (0.088 R)
• M9: 7,592,690 km (0.092 R)
• M10: 9,429,154 km (0.091 R)
• M11: 10,088,432 km (0.09 R)
• M12: 10,646,432 km (0.104 R)
• M13: 11,407,137 km (0.108 R)
• M14: 12,640,272 km (0.074 R)
• M15: 13,390,954 km (0.077 R)
• M16: 14,708,014 km (0.119 R)
• M17: 15,147,084 km (0.111 R)
• M18: 17,968,499 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.3

Radius: 14.1

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.16 AU - 5.84 AU

Year: 7456 Days

Day: 10.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,920,923 km

• M1: 175,927 km (0.081 R)
• M2: 642,074 km (0.092 R)
• M3: 1,801,308 km (0.101 R)
• M4: 2,318,318 km (0.103 R)
• M5: 3,467,379 km (0.084 R)
• M6: 3,934,574 km (0.025 R)
• M7: 4,528,627 km (0.095 R)
• M8: 5,150,954 km (0.106 R)
• M9: 5,931,855 km (0.1 R)
• M10: 6,827,946 km (0.097 R)
• M11: 7,608,398 km (0.084 R)
• M12: 8,844,825 km (0.055 R)
• M13: 9,677,337 km (0.112 R)
• M14: 12,949,790 km (0.119 R)
• M15: 13,962,568 km (0.099 R)
• M16: 16,078,480 km (0.052 R)
• M17: 17,962,665 km (0.111 R)
• M18: 18,771,092 km (0.056 R)
• M19: 19,374,121 km (0.1 R)
• M20: 20,302,974 km (0.041 R)
• M21: 20,778,396 km (0.077 R)
• M22: 23,701,688 km (0.115 R)
• M23: 24,140,608 km (0.101 R)
• M24: 26,417,189 km (0.093 R)
• M25: 27,270,794 km (0.051 R)
• M26: 30,044,488 km (0.09 R)
• M27: 30,558,806 km (0.108 R)
• M28: 31,183,826 km (0.104 R)
• M29: 32,459,447 km (0.111 R)
• M30: 33,769,625 km (0.104 R)
• M31: 44,210,060 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.5

Radius: 8.4

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.1 AU - 5.12 AU

Year: 7703 Days

Day: 9.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,920,923 km

• M1: 104,569 km (0.038 R)
• M2: 793,318 km (0.07 R)
• M3: 1,737,430 km (0.087 R)
• M4: 2,311,138 km (0.063 R)
• M5: 3,293,846 km (0.09 R)
• M6: 3,903,158 km (0.095 R)
• M7: 4,323,977 km (0.078 R)
• M8: 6,350,430 km (0.1 R)
• M9: 7,004,322 km (0.099 R)
• M10: 7,329,398 km (0.098 R)
• M11: 7,855,235 km (0.043 R)
• M12: 8,731,878 km (0.116 R)
• M13: 9,496,323 km (0.116 R)
• M14: 12,264,632 km (0.078 R)
• M15: 15,107,889 km (0.051 R)
• M16: 15,712,713 km (0.099 R)
• M17: 18,024,748 km (0.1 R)
• M18: 19,261,773 km (0.084 R)
• M19: 19,544,214 km (0.03 R)
• M20: 22,522,408 km (0.07 R)
• M21: 28,622,261 km (0.103 R)
• M22: 29,548,123 km (0.096 R)
• M23: 30,589,473 km (0.105 R)
• M24: 32,945,939 km (0.056 R)
• M25: 33,553,606 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.2

Radius: 6.9

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.76 AU - 6.86 AU

Year: 10570 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,920,923 km

• M1: 86,168 km (0.057 R)
• M2: 379,679 km (0.111 R)
• M3: 648,806 km (0.119 R)
• M4: 957,277 km (0.094 R)
• M5: 1,769,444 km (0.075 R)
• M6: 2,308,744 km (0.108 R)
• M7: 2,685,880 km (0.105 R)
• M8: 3,759,544 km (0.105 R)
• M9: 4,561,538 km (0.071 R)
• M10: 5,156,190 km (0.069 R)
• M11: 6,039,565 km (0.119 R)
• M12: 9,431,099 km (0.074 R)
• M13: 11,262,176 km (0.093 R)
• M14: 12,233,515 km (0.064 R)
• M15: 13,084,727 km (0.082 R)
• M16: 14,590,131 km (0.038 R)
• M17: 16,477,009 km (0.101 R)
• M18: 16,817,942 km (0.098 R)
• M19: 17,514,021 km (0.119 R)
• M20: 21,366,017 km (0.112 R)
• M21: 22,514,629 km (0.109 R)
• M22: 26,484,807 km (0.112 R)
• M23: 27,141,691 km (0.04 R)
• M24: 28,195,758 km (0.056 R)
• M25: 31,312,630 km (0.098 R)
• M26: 34,097,843 km (0.082 R)
• M27: 37,511,816 km (0.099 R)
• M28: 39,059,406 km (0.097 R)
• M29: 40,649,182 km (0.119 R)
• M30: 41,271,958 km (0.097 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: 361 - 19,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit