🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

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: 830.3

Radius: 9.9

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.49 AU - 0.77 AU

Year: 351 Days

Day: 8.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,151,440 km

• M1: 126,410 km (0.072 R)
• M2: 446,101 km (0.099 R)
• M3: 1,089,970 km (0.069 R)
• M4: 1,595,312 km (0.075 R)
• M5: 2,766,214 km (0.075 R)
• M6: 3,438,657 km (0.116 R)
• M7: 3,826,414 km (0.088 R)
• M8: 4,661,619 km (0.092 R)
• M9: 5,388,067 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 14.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.37 AU - 1.47 AU

Year: 1189 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,151,440 km

• M1: 181,612 km (0.085 R)
• M2: 641,476 km (0.091 R)
• M3: 1,441,824 km (0.096 R)
• M4: 2,529,251 km (0.091 R)
• M5: 3,259,738 km (0.093 R)
• M6: 3,811,604 km (0.116 R)
• M7: 4,283,735 km (0.099 R)
• M8: 5,964,318 km (0.07 R)
• M9: 6,868,487 km (0.091 R)
• M10: 7,546,764 km (0.094 R)
• M11: 8,050,609 km (0.095 R)
• M12: 9,244,700 km (0.025 R)
• M13: 9,853,413 km (0.096 R)
• M14: 12,090,350 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 11.8

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.25 AU - 1.77 AU

Year: 1304 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,151,440 km

• M1: 146,756 km (0.043 R)
• M2: 583,581 km (0.039 R)
• M3: 969,993 km (0.05 R)
• M4: 1,544,149 km (0.064 R)
• M5: 2,094,370 km (0.106 R)
• M6: 2,574,280 km (0.113 R)
• M7: 4,176,623 km (0.057 R)
• M8: 4,664,910 km (0.027 R)
• M9: 5,296,961 km (0.117 R)
• M10: 5,985,261 km (0.031 R)
• M11: 6,858,464 km (0.039 R)
• M12: 7,379,214 km (0.115 R)
• M13: 8,383,165 km (0.086 R)
• M14: 9,991,193 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.8

Radius: 13.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.28 AU - 1.88 AU

Year: 1396 Days

Day: 13.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,151,440 km

• M1: 166,951 km (0.115 R)
• M2: 639,232 km (0.058 R)
• M3: 1,293,872 km (0.085 R)
• M4: 1,754,783 km (0.098 R)
• M5: 2,375,614 km (0.104 R)
• M6: 2,849,540 km (0.088 R)
• M7: 4,787,581 km (0.041 R)
• M8: 5,664,075 km (0.032 R)
• M9: 8,193,176 km (0.043 R)
• M10: 8,607,861 km (0.104 R)
• M11: 10,443,427 km (0.062 R)
• M12: 11,181,543 km (0.109 R)
• M13: 11,729,819 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.7

Radius: 12.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.69 AU - 2.09 AU

Year: 1826 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,151,440 km

• M1: 154,235 km (0.083 R)
• M2: 598,691 km (0.068 R)
• M3: 1,303,596 km (0.08 R)
• M4: 2,089,284 km (0.08 R)
• M5: 3,028,160 km (0.029 R)
• M6: 3,439,405 km (0.073 R)
• M7: 4,643,518 km (0.061 R)
• M8: 5,102,035 km (0.098 R)
• M9: 5,787,194 km (0.06 R)
• M10: 7,110,237 km (0.084 R)
• M11: 7,721,494 km (0.086 R)
• M12: 8,393,189 km (0.113 R)
• M13: 9,103,629 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.8

Radius: 14.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.61 AU - 3.93 AU

Year: 4157 Days

Day: 10.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,151,440 km

• M1: 202,705 km (0.069 R)
• M2: 1,115,402 km (0.082 R)
• M3: 1,698,983 km (0.078 R)
• M4: 2,585,500 km (0.032 R)
• M5: 3,127,493 km (0.107 R)
• M6: 3,878,325 km (0.026 R)
• M7: 4,769,330 km (0.067 R)
• M8: 6,051,084 km (0.103 R)
• M9: 7,162,746 km (0.029 R)
• M10: 7,674,670 km (0.107 R)
• M11: 8,571,509 km (0.095 R)
• M12: 9,899,340 km (0.098 R)
• M13: 10,767,157 km (0.05 R)
• M14: 11,239,886 km (0.102 R)
• M15: 13,541,450 km (0.041 R)
• M16: 14,563,951 km (0.033 R)
• M17: 19,060,265 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.5

Radius: 14.1

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.94 AU - 4.6 AU

Year: 5145 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 114.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,151,440 km

• M1: 175,628 km (0.078 R)
• M2: 664,215 km (0.106 R)
• M3: 1,218,774 km (0.114 R)
• M4: 1,753,137 km (0.028 R)
• M5: 2,205,521 km (0.119 R)
• M6: 2,791,197 km (0.09 R)
• M7: 3,395,572 km (0.084 R)
• M8: 5,088,123 km (0.073 R)
• M9: 5,632,509 km (0.102 R)
• M10: 8,058,538 km (0.081 R)
• M11: 9,044,538 km (0.073 R)
• M12: 11,886,299 km (0.085 R)
• M13: 12,953,380 km (0.062 R)
• M14: 16,725,042 km (0.079 R)
• M15: 19,268,655 km (0.051 R)
• M16: 20,956,567 km (0.09 R)
• M17: 22,060,450 km (0.079 R)
• M18: 23,358,062 km (0.102 R)
• M19: 25,030,417 km (0.104 R)
• M20: 25,854,252 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.2

Radius: 10.9

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.96 AU - 4.18 AU

Year: 5772 Days

Day: 11.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 36,151,440 km

• M1: 137,331 km (0.056 R)
• M2: 534,962 km (0.116 R)
• M3: 909,405 km (0.109 R)
• M4: 1,453,493 km (0.053 R)
• M5: 1,886,878 km (0.099 R)
• M6: 2,545,857 km (0.088 R)
• M7: 3,039,230 km (0.119 R)
• M8: 3,528,116 km (0.109 R)
• M9: 3,971,075 km (0.061 R)
• M10: 4,372,746 km (0.095 R)
• M11: 5,997,977 km (0.1 R)
• M12: 6,840,662 km (0.102 R)
• M13: 8,111,047 km (0.1 R)
• M14: 11,065,156 km (0.069 R)
• M15: 11,967,082 km (0.047 R)
• M16: 14,031,532 km (0.088 R)
• M17: 14,611,972 km (0.116 R)
• M18: 15,635,670 km (0.119 R)
• M19: 19,064,005 km (0.111 R)
• M20: 19,489,311 km (0.092 R)
• M21: 21,254,417 km (0.031 R)
• M22: 24,931,233 km (0.099 R)
• M23: 25,611,305 km (0.097 R)
• M24: 26,303,644 km (0.111 R)
• M25: 28,455,909 km (0.059 R)
• M26: 29,954,430 km (0.119 R)
• M27: 31,406,427 km (0.118 R)
• M28: 32,299,826 km (0.063 R)
• M29: 35,400,391 km (0.096 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 18,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit