🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 8.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.53 AU - 0.63 AU

Year: 305 Days

Day: 11.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,073,247 km

• M1: 108,159 km (0.081 R)
• M2: 407,205 km (0.052 R)
• M3: 689,048 km (0.108 R)
• M4: 1,063,641 km (0.11 R)
• M5: 1,896,751 km (0.06 R)
• M6: 2,296,028 km (0.116 R)
• M7: 2,598,216 km (0.103 R)
• M8: 2,891,278 km (0.094 R)
• M9: 3,168,184 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.1

Radius: 9.1

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.24 AU - 1.8 AU

Year: 1294 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,073,247 km

• M1: 113,694 km (0.105 R)
• M2: 713,133 km (0.072 R)
• M3: 1,496,428 km (0.098 R)
• M4: 1,943,725 km (0.099 R)
• M5: 4,668,351 km (0.09 R)
• M6: 5,064,636 km (0.067 R)
• M7: 6,571,086 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.5

Radius: 8.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.75 AU - 2.29 AU

Year: 1982 Days

Day: 11.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,073,247 km

• M1: 127,457 km (0.084 R)
• M2: 674,836 km (0.08 R)
• M3: 1,513,482 km (0.076 R)
• M4: 2,040,814 km (0.056 R)
• M5: 2,381,149 km (0.086 R)
• M6: 2,958,447 km (0.069 R)
• M7: 3,461,096 km (0.068 R)
• M8: 3,924,551 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.4

Radius: 14.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.24 AU - 4.16 AU

Year: 4913 Days

Day: 8.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,073,247 km

• M1: 180,415 km (0.094 R)
• M2: 796,609 km (0.103 R)
• M3: 1,421,030 km (0.116 R)
• M4: 2,024,957 km (0.093 R)
• M5: 2,897,711 km (0.09 R)
• M6: 5,287,537 km (0.057 R)
• M7: 6,944,184 km (0.06 R)
• M8: 8,780,049 km (0.104 R)
• M9: 9,598,499 km (0.102 R)
• M10: 11,957,059 km (0.109 R)
• M11: 13,343,083 km (0.117 R)
• M12: 13,975,882 km (0.113 R)
• M13: 14,628,727 km (0.104 R)
• M14: 15,672,771 km (0.095 R)
• M15: 16,710,232 km (0.077 R)
• M16: 17,618,889 km (0.089 R)
• M17: 18,144,277 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 13

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.89 AU - 5.75 AU

Year: 7304 Days

Day: 6.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,073,247 km

• M1: 162,762 km (0.071 R)
• M2: 872,305 km (0.053 R)
• M3: 1,860,399 km (0.064 R)
• M4: 2,297,524 km (0.068 R)
• M5: 3,126,147 km (0.07 R)
• M6: 3,610,844 km (0.107 R)
• M7: 6,344,595 km (0.112 R)
• M8: 7,016,589 km (0.103 R)
• M9: 7,932,876 km (0.042 R)
• M10: 8,337,538 km (0.032 R)
• M11: 9,817,959 km (0.113 R)
• M12: 11,569,750 km (0.086 R)
• M13: 12,411,986 km (0.084 R)
• M14: 14,939,143 km (0.036 R)
• M15: 17,518,808 km (0.109 R)
• M16: 19,934,215 km (0.053 R)
• M17: 22,083,787 km (0.078 R)
• M18: 23,214,747 km (0.116 R)
• M19: 25,242,696 km (0.075 R)
• M20: 26,930,010 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.6

Radius: 10.4

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.51 AU - 6.21 AU

Year: 8566 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,073,247 km

• M1: 129,402 km (0.111 R)
• M2: 681,568 km (0.094 R)
• M3: 1,136,495 km (0.09 R)
• M4: 1,507,947 km (0.098 R)
• M5: 2,739,885 km (0.083 R)
• M6: 3,212,165 km (0.107 R)
• M7: 3,688,036 km (0.033 R)
• M8: 4,634,392 km (0.117 R)
• M9: 6,365,389 km (0.074 R)
• M10: 11,211,014 km (0.115 R)
• M11: 12,710,134 km (0.066 R)
• M12: 13,119,733 km (0.113 R)
• M13: 14,275,975 km (0.087 R)
• M14: 15,899,262 km (0.065 R)
• M15: 19,819,623 km (0.079 R)
• M16: 20,291,455 km (0.115 R)
• M17: 22,086,330 km (0.096 R)
• M18: 23,369,282 km (0.104 R)
• M19: 24,341,070 km (0.093 R)
• M20: 25,064,674 km (0.109 R)
• M21: 25,989,339 km (0.107 R)
• M22: 29,000,146 km (0.119 R)
• M23: 30,851,270 km (0.105 R)
• M24: 34,334,207 km (0.099 R)
• M25: 42,850,365 km (0.035 R)
• M26: 43,772,487 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.4

Radius: 3.7

Gravity: 44.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.86 AU - 7.42 AU

Year: 10502 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,073,247 km

• M1: 46,076 km (0.06 R)
• M2: 199,863 km (0.085 R)
• M3: 322,982 km (0.074 R)
• M4: 473,328 km (0.096 R)
• M5: 662,270 km (0.117 R)
• M6: 890,107 km (0.097 R)
• M7: 1,501,963 km (0.102 R)
• M8: 2,081,654 km (0.107 R)
• M9: 2,451,012 km (0.064 R)
• M10: 3,318,380 km (0.088 R)
• M11: 3,900,465 km (0.052 R)
• M12: 4,035,552 km (0.095 R)
• M13: 4,315,151 km (0.11 R)
• M14: 4,697,672 km (0.111 R)
• M15: 5,329,723 km (0.044 R)
• M16: 6,124,537 km (0.084 R)
• M17: 6,607,140 km (0.101 R)
• M18: 7,563,968 km (0.081 R)
• M19: 8,250,921 km (0.117 R)
• M20: 8,609,507 km (0.074 R)
• M21: 10,250,446 km (0.112 R)
• M22: 10,456,143 km (0.111 R)
• M23: 11,307,056 km (0.067 R)
• M24: 13,327,226 km (0.115 R)
• M25: 19,836,977 km (0.081 R)
• M26: 20,561,031 km (0.065 R)
• M27: 21,302,438 km (0.096 R)
• M28: 22,061,497 km (0.072 R)
• M29: 24,721,946 km (0.104 R)
• M30: 25,372,098 km (0.103 R)
• M31: 29,410,642 km (0.119 R)
• M32: 30,882,087 km (0.115 R)
• M33: 32,845,110 km (0.099 R)
• M34: 34,428,304 km (0.082 R)
• M35: 35,472,498 km (0.114 R)
• M36: 35,943,282 km (0.083 R)
• M37: 36,180,245 km (0.12 R)
• M38: 39,987,212 km (0.06 R)
• M39: 42,184,206 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.8

Radius: 5.8

Gravity: 14.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.54 AU - 9.72 AU

Year: 16001 Days

Day: 18.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,073,247 km

• M1: 72,106 km (0.116 R)
• M2: 264,040 km (0.107 R)
• M3: 681,269 km (0.118 R)
• M4: 989,291 km (0.059 R)
• M5: 2,194,601 km (0.12 R)
• M6: 2,869,437 km (0.093 R)
• M7: 3,953,722 km (0.063 R)
• M8: 6,327,541 km (0.081 R)
• M9: 6,895,863 km (0.102 R)
• M10: 7,365,900 km (0.092 R)
• M11: 7,811,402 km (0.097 R)
• M12: 8,953,881 km (0.025 R)
• M13: 9,564,989 km (0.038 R)
• M14: 9,987,603 km (0.118 R)
• M15: 11,565,411 km (0.116 R)
• M16: 11,984,285 km (0.101 R)
• M17: 13,497,917 km (0.046 R)
• M18: 14,713,699 km (0.111 R)
• M19: 17,516,714 km (0.107 R)
• M20: 19,627,390 km (0.092 R)
• M21: 20,919,168 km (0.096 R)
• M22: 22,542,903 km (0.084 R)
• M23: 22,728,404 km (0.101 R)
• M24: 23,008,452 km (0.097 R)
• M25: 23,862,656 km (0.073 R)
• M26: 25,633,894 km (0.117 R)
• M27: 29,215,417 km (0.088 R)
• M28: 32,286,661 km (0.105 R)
• M29: 34,572,517 km (0.063 R)
• M30: 44,213,800 km (0.105 R)
• M31: 47,330,373 km (0.061 R)
• M32: 47,787,095 km (0.053 R)
• M33: 54,495,363 km (0.074 R)
• M34: 57,552,844 km (0.12 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: 248 - 19,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit