🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.3

Radius: 14.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 7.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,055,202 km

• M1: 180,415 km (0.032 R)
• M2: 748,588 km (0.093 R)
• M3: 1,364,781 km (0.027 R)
• M4: 1,817,614 km (0.085 R)
• M5: 2,565,155 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 13.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.67 AU - 1.01 AU

Year: 513 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,055,202 km

• M1: 163,361 km (0.12 R)
• M2: 624,272 km (0.109 R)
• M3: 1,037,312 km (0.052 R)
• M4: 1,558,361 km (0.108 R)
• M5: 2,146,131 km (0.114 R)
• M6: 3,002,280 km (0.06 R)
• M7: 3,477,851 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.3

Radius: 11

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.67 AU - 1.01 AU

Year: 513 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,055,202 km

• M1: 136,882 km (0.069 R)
• M2: 484,099 km (0.057 R)
• M3: 839,094 km (0.072 R)
• M4: 1,281,455 km (0.097 R)
• M5: 1,807,890 km (0.059 R)
• M6: 2,588,492 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.4

Radius: 9.3

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.16 AU - 1.56 AU

Year: 1058 Days

Day: 11.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,055,202 km

• M1: 186,100 km (0.062 R)
• M2: 494,421 km (0.078 R)
• M3: 953,238 km (0.081 R)
• M4: 1,675,945 km (0.076 R)
• M5: 2,727,169 km (0.068 R)
• M6: 3,583,019 km (0.109 R)
• M7: 4,223,447 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 11.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.39 AU - 3.01 AU

Year: 2959 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,055,202 km

• M1: 144,212 km (0.094 R)
• M2: 629,807 km (0.05 R)
• M3: 1,005,896 km (0.113 R)
• M4: 1,711,848 km (0.11 R)
• M5: 2,158,996 km (0.115 R)
• M6: 3,708,082 km (0.115 R)
• M7: 4,954,981 km (0.07 R)
• M8: 5,921,981 km (0.111 R)
• M9: 6,694,206 km (0.049 R)
• M10: 7,504,278 km (0.106 R)
• M11: 8,871,752 km (0.105 R)
• M12: 9,581,594 km (0.078 R)
• M13: 10,052,827 km (0.118 R)
• M14: 10,574,774 km (0.119 R)
• M15: 11,522,477 km (0.086 R)
• M16: 12,645,358 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 8.3

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.68 AU - 3.86 AU

Year: 4881 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,055,202 km

• M1: 103,372 km (0.03 R)
• M2: 394,490 km (0.039 R)
• M3: 888,911 km (0.03 R)
• M4: 1,462,918 km (0.104 R)
• M5: 1,925,025 km (0.061 R)
• M6: 2,763,222 km (0.079 R)
• M7: 3,552,949 km (0.112 R)
• M8: 4,704,703 km (0.06 R)
• M9: 5,112,806 km (0.051 R)
• M10: 5,655,847 km (0.094 R)
• M11: 6,177,046 km (0.12 R)
• M12: 7,149,133 km (0.056 R)
• M13: 8,076,041 km (0.087 R)
• M14: 10,504,463 km (0.1 R)
• M15: 11,977,703 km (0.057 R)
• M16: 13,533,222 km (0.108 R)
• M17: 14,254,284 km (0.1 R)
• M18: 15,494,300 km (0.035 R)
• M19: 18,560,309 km (0.113 R)
• M20: 19,709,669 km (0.1 R)
• M21: 20,235,356 km (0.096 R)
• M22: 21,729,390 km (0.032 R)
• M23: 22,008,689 km (0.043 R)
• M24: 22,361,291 km (0.1 R)
• M25: 25,783,791 km (0.095 R)
• M26: 26,097,049 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 10.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.9 AU - 4.54 AU

Year: 5781 Days

Day: 6.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,055,202 km

• M1: 135,536 km (0.097 R)
• M2: 683,363 km (0.082 R)
• M3: 1,048,083 km (0.11 R)
• M4: 1,675,347 km (0.09 R)
• M5: 2,739,586 km (0.116 R)
• M6: 4,207,291 km (0.086 R)
• M7: 5,391,806 km (0.095 R)
• M8: 5,948,909 km (0.067 R)
• M9: 6,716,496 km (0.108 R)
• M10: 7,070,145 km (0.096 R)
• M11: 8,694,329 km (0.078 R)
• M12: 10,413,209 km (0.113 R)
• M13: 13,820,749 km (0.118 R)
• M14: 14,687,968 km (0.086 R)
• M15: 16,466,686 km (0.077 R)
• M16: 18,044,046 km (0.082 R)
• M17: 21,420,620 km (0.115 R)
• M18: 23,458,891 km (0.03 R)
• M19: 24,111,287 km (0.03 R)
• M20: 25,112,546 km (0.092 R)
• M21: 27,197,641 km (0.093 R)
• M22: 27,646,285 km (0.027 R)
• M23: 31,120,396 km (0.038 R)
• M24: 33,523,387 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.9

Radius: 13.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.09 AU - 5.17 AU

Year: 6644 Days

Day: 12.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,055,202 km

• M1: 169,195 km (0.064 R)
• M2: 768,634 km (0.103 R)
• M3: 1,377,946 km (0.088 R)
• M4: 1,941,032 km (0.105 R)
• M5: 3,106,400 km (0.034 R)
• M6: 3,651,983 km (0.1 R)
• M7: 4,236,462 km (0.097 R)
• M8: 6,506,011 km (0.119 R)
• M9: 7,697,858 km (0.091 R)
• M10: 11,310,796 km (0.103 R)
• M11: 12,819,042 km (0.074 R)
• M12: 13,676,387 km (0.088 R)
• M13: 14,801,363 km (0.032 R)
• M14: 19,996,149 km (0.071 R)
• M15: 20,567,463 km (0.118 R)
• M16: 21,817,503 km (0.075 R)
• M17: 24,630,990 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.9

Radius: 6

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.75 AU - 7.39 AU

Year: 12536 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,055,202 km

• M1: 84,822 km (0.094 R)
• M2: 584,030 km (0.071 R)
• M3: 1,028,336 km (0.09 R)
• M4: 1,917,396 km (0.118 R)
• M5: 2,508,307 km (0.111 R)
• M6: 2,703,383 km (0.111 R)
• M7: 3,124,501 km (0.071 R)
• M8: 3,327,655 km (0.066 R)
• M9: 4,096,588 km (0.093 R)
• M10: 7,109,190 km (0.109 R)
• M11: 8,460,657 km (0.049 R)
• M12: 10,121,044 km (0.111 R)
• M13: 11,184,086 km (0.078 R)
• M14: 17,775,369 km (0.049 R)
• M15: 18,942,082 km (0.056 R)
• M16: 19,849,992 km (0.045 R)
• M17: 22,663,479 km (0.043 R)
• M18: 26,563,346 km (0.073 R)
• M19: 26,938,687 km (0.101 R)
• M20: 36,001,924 km (0.05 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: 296 - 16,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit