🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713

Radius: 8.4

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 8.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,827,325 km

• M1: 104,569 km (0.089 R)
• M2: 383,569 km (0.111 R)
• M3: 713,133 km (0.114 R)
• M4: 1,076,057 km (0.09 R)
• M5: 1,372,261 km (0.108 R)
• M6: 1,920,986 km (0.116 R)
• M7: 2,293,485 km (0.073 R)
• M8: 2,942,740 km (0.096 R)
• M9: 3,327,356 km (0.1 R)
• M10: 3,818,186 km (0.09 R)
• M11: 4,145,656 km (0.064 R)
• M12: 4,588,316 km (0.095 R)
• M13: 4,900,677 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.2

Radius: 10.2

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.59 AU - 0.77 AU

Year: 374 Days

Day: 8.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,827,325 km

• M1: 126,859 km (0.095 R)
• M2: 461,210 km (0.073 R)
• M3: 793,766 km (0.077 R)
• M4: 1,171,351 km (0.112 R)
• M5: 1,600,398 km (0.063 R)
• M6: 2,167,075 km (0.102 R)
• M7: 2,750,806 km (0.096 R)
• M8: 3,483,686 km (0.06 R)
• M9: 3,851,696 km (0.036 R)
• M10: 4,178,269 km (0.099 R)
• M11: 5,224,257 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.7

Radius: 9.3

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.39 AU - 1.41 AU

Year: 1105 Days

Day: 7.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,827,325 km

• M1: 115,639 km (0.108 R)
• M2: 473,477 km (0.107 R)
• M3: 1,054,964 km (0.06 R)
• M4: 1,917,097 km (0.101 R)
• M5: 2,485,269 km (0.085 R)
• M6: 2,896,664 km (0.057 R)
• M7: 3,662,006 km (0.117 R)
• M8: 4,556,302 km (0.111 R)
• M9: 5,937,091 km (0.062 R)
• M10: 6,869,385 km (0.11 R)
• M11: 7,293,943 km (0.118 R)
• M12: 8,846,769 km (0.044 R)
• M13: 9,903,080 km (0.04 R)
• M14: 10,478,134 km (0.098 R)
• M15: 11,142,797 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.4

Radius: 12

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.06 AU - 2.96 AU

Year: 2652 Days

Day: 12.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,827,325 km

• M1: 151,094 km (0.092 R)
• M2: 649,404 km (0.098 R)
• M3: 1,372,261 km (0.112 R)
• M4: 1,802,355 km (0.065 R)
• M5: 2,350,931 km (0.12 R)
• M6: 2,845,800 km (0.117 R)
• M7: 3,248,817 km (0.092 R)
• M8: 4,255,611 km (0.074 R)
• M9: 5,925,871 km (0.058 R)
• M10: 6,474,895 km (0.044 R)
• M11: 6,938,200 km (0.106 R)
• M12: 7,330,894 km (0.113 R)
• M13: 8,062,428 km (0.051 R)
• M14: 8,565,226 km (0.074 R)
• M15: 8,982,455 km (0.069 R)
• M16: 10,950,115 km (0.082 R)
• M17: 11,735,953 km (0.084 R)
• M18: 13,235,971 km (0.102 R)
• M19: 15,260,778 km (0.11 R)
• M20: 15,927,386 km (0.07 R)
• M21: 17,595,552 km (0.049 R)
• M22: 18,443,173 km (0.095 R)
• M23: 19,615,572 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.2

Radius: 10.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.31 AU - 5.21 AU

Year: 6925 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,827,325 km

• M1: 132,095 km (0.089 R)
• M2: 646,263 km (0.07 R)
• M3: 1,129,464 km (0.111 R)
• M4: 1,546,094 km (0.113 R)
• M5: 3,263,926 km (0.099 R)
• M6: 4,148,648 km (0.116 R)
• M7: 5,598,252 km (0.082 R)
• M8: 6,488,209 km (0.116 R)
• M9: 8,387,803 km (0.107 R)
• M10: 12,717,016 km (0.086 R)
• M11: 13,468,745 km (0.056 R)
• M12: 15,598,121 km (0.111 R)
• M13: 16,647,999 km (0.074 R)
• M14: 20,805,324 km (0.085 R)
• M15: 23,241,076 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.4

Radius: 9.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.85 AU - 5.03 AU

Year: 7322 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,827,325 km

• M1: 133,441 km (0.116 R)
• M2: 596,148 km (0.103 R)
• M3: 2,417,202 km (0.104 R)
• M4: 3,483,536 km (0.113 R)
• M5: 3,828,210 km (0.057 R)
• M6: 5,620,691 km (0.062 R)
• M7: 6,124,238 km (0.108 R)
• M8: 7,313,541 km (0.074 R)
• M9: 8,581,532 km (0.064 R)
• M10: 15,339,915 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.7

Radius: 3.8

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.34 AU - 8.84 AU

Year: 13944 Days

Day: 17.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,827,325 km

• M1: 47,273 km (0.072 R)
• M2: 202,107 km (0.064 R)
• M3: 731,384 km (0.032 R)
• M4: 952,041 km (0.117 R)
• M5: 1,408,763 km (0.096 R)
• M6: 2,163,484 km (0.097 R)
• M7: 2,522,519 km (0.093 R)
• M8: 3,111,935 km (0.087 R)
• M9: 3,838,233 km (0.071 R)
• M10: 5,175,338 km (0.061 R)
• M11: 5,425,017 km (0.12 R)
• M12: 5,847,631 km (0.058 R)
• M13: 6,362,248 km (0.066 R)
• M14: 9,258,163 km (0.078 R)
• M15: 9,860,594 km (0.105 R)
• M16: 11,246,469 km (0.08 R)
• M17: 14,215,388 km (0.091 R)
• M18: 15,141,848 km (0.036 R)
• M19: 19,177,101 km (0.091 R)
• M20: 20,692,677 km (0.101 R)
• M21: 21,162,414 km (0.059 R)
• M22: 23,364,794 km (0.1 R)
• M23: 24,651,934 km (0.114 R)
• M24: 26,624,232 km (0.097 R)
• M25: 35,232,393 km (0.095 R)
• M26: 37,266,176 km (0.114 R)
• M27: 37,728,433 km (0.096 R)
• M28: 39,736,186 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 17,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit