🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 11.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.46 AU - 0.76 AU

Year: 329 Days

Day: 12.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,069,615 km

• M1: 147,952 km (0.106 R)
• M2: 537,804 km (0.092 R)
• M3: 1,101,938 km (0.09 R)
• M4: 1,649,765 km (0.108 R)
• M5: 2,059,514 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.5

Radius: 11.1

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.93 AU - 1.51 AU

Year: 930 Days

Day: 13.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,069,615 km

• M1: 138,528 km (0.06 R)
• M2: 497,862 km (0.03 R)
• M3: 1,293,722 km (0.069 R)
• M4: 2,077,017 km (0.099 R)
• M5: 2,796,433 km (0.034 R)
• M6: 3,320,474 km (0.088 R)
• M7: 4,322,331 km (0.113 R)
• M8: 4,875,245 km (0.114 R)
• M9: 5,699,080 km (0.083 R)
• M10: 8,870,705 km (0.106 R)
• M11: 9,267,588 km (0.114 R)
• M12: 10,311,931 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 9.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.03 AU - 1.45 AU

Year: 953 Days

Day: 5.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,069,615 km

• M1: 114,442 km (0.095 R)
• M2: 425,157 km (0.098 R)
• M3: 719,416 km (0.068 R)
• M4: 1,244,505 km (0.096 R)
• M5: 1,655,749 km (0.072 R)
• M6: 2,375,764 km (0.117 R)
• M7: 3,362,661 km (0.09 R)
• M8: 3,711,673 km (0.03 R)
• M9: 4,154,183 km (0.071 R)
• M10: 4,767,983 km (0.07 R)
• M11: 5,593,165 km (0.043 R)
• M12: 6,103,144 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.2

Radius: 8.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.15 AU - 1.59 AU

Year: 1107 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,069,615 km

• M1: 104,419 km (0.101 R)
• M2: 502,050 km (0.092 R)
• M3: 1,654,702 km (0.095 R)
• M4: 2,454,003 km (0.119 R)
• M5: 2,795,835 km (0.11 R)
• M6: 4,945,406 km (0.036 R)
• M7: 5,921,981 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.1

Radius: 8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.15 AU - 2.37 AU

Year: 2345 Days

Day: 10 Hours

Environment

Temp: -195 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,069,615 km

• M1: 99,782 km (0.036 R)
• M2: 367,712 km (0.112 R)
• M3: 756,516 km (0.108 R)
• M4: 1,276,967 km (0.084 R)
• M5: 1,737,729 km (0.071 R)
• M6: 2,645,339 km (0.1 R)
• M7: 3,380,463 km (0.052 R)
• M8: 3,804,423 km (0.089 R)
• M9: 5,102,933 km (0.1 R)
• M10: 6,071,729 km (0.111 R)
• M11: 6,724,125 km (0.109 R)
• M12: 9,145,666 km (0.106 R)
• M13: 9,583,240 km (0.061 R)
• M14: 10,232,644 km (0.115 R)
• M15: 11,261,279 km (0.103 R)
• M16: 13,126,166 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.6

Radius: 8.6

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.27 AU - 4.17 AU

Year: 4953 Days

Day: 12.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,069,615 km

• M1: 107,112 km (0.114 R)
• M2: 463,903 km (0.066 R)
• M3: 807,829 km (0.107 R)
• M4: 1,269,488 km (0.113 R)
• M5: 2,414,360 km (0.092 R)
• M6: 2,723,130 km (0.093 R)
• M7: 3,256,297 km (0.065 R)
• M8: 3,591,246 km (0.077 R)
• M9: 4,281,641 km (0.068 R)
• M10: 5,003,151 km (0.094 R)
• M11: 7,912,830 km (0.094 R)
• M12: 9,365,575 km (0.114 R)
• M13: 9,701,721 km (0.047 R)
• M14: 10,089,479 km (0.117 R)
• M15: 12,892,943 km (0.06 R)
• M16: 16,057,985 km (0.103 R)
• M17: 17,156,333 km (0.038 R)
• M18: 17,851,664 km (0.054 R)
• M19: 18,173,897 km (0.111 R)
• M20: 19,164,086 km (0.089 R)
• M21: 21,395,637 km (0.099 R)
• M22: 22,574,019 km (0.063 R)
• M23: 25,626,714 km (0.085 R)
• M24: 27,294,132 km (0.053 R)
• M25: 27,636,112 km (0.073 R)
• M26: 28,067,553 km (0.114 R)
• M27: 28,679,258 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561

Radius: 13.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.46 AU - 4.9 AU

Year: 5899 Days

Day: 13.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,069,615 km

• M1: 171,738 km (0.072 R)
• M2: 638,633 km (0.108 R)
• M3: 1,115,252 km (0.103 R)
• M4: 1,722,320 km (0.061 R)
• M5: 2,529,251 km (0.05 R)
• M6: 3,265,273 km (0.104 R)
• M7: 3,976,611 km (0.111 R)
• M8: 4,789,525 km (0.111 R)
• M9: 5,829,829 km (0.109 R)
• M10: 6,713,504 km (0.084 R)
• M11: 7,327,453 km (0.097 R)
• M12: 7,867,502 km (0.044 R)
• M13: 9,734,333 km (0.078 R)
• M14: 11,024,615 km (0.088 R)
• M15: 12,476,313 km (0.091 R)
• M16: 15,174,011 km (0.119 R)
• M17: 17,405,862 km (0.119 R)
• M18: 18,435,694 km (0.113 R)
• M19: 19,167,078 km (0.085 R)
• M20: 19,711,015 km (0.107 R)
• M21: 21,332,656 km (0.108 R)
• M22: 23,041,662 km (0.068 R)
• M23: 25,897,187 km (0.102 R)
• M24: 26,814,970 km (0.115 R)
• M25: 29,518,053 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.4

Radius: 6.8

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.18 AU - 8.48 AU

Year: 16595 Days

Day: 22.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,069,615 km

• M1: 84,672 km (0.059 R)
• M2: 382,971 km (0.079 R)
• M3: 1,030,281 km (0.104 R)
• M4: 1,669,961 km (0.088 R)
• M5: 2,398,503 km (0.102 R)
• M6: 3,033,695 km (0.097 R)
• M7: 3,901,812 km (0.097 R)
• M8: 4,162,561 km (0.105 R)
• M9: 6,186,770 km (0.088 R)
• M10: 10,232,494 km (0.113 R)
• M11: 14,425,423 km (0.073 R)
• M12: 16,022,231 km (0.089 R)
• M13: 16,355,086 km (0.082 R)
• M14: 20,955,371 km (0.111 R)
• M15: 38,930,602 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.3

Radius: 4.5

Gravity: 36.61 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.28 AU - 11.3 AU

Year: 21144 Days

Day: 15.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,069,615 km

• M1: 55,950 km (0.096 R)
• M2: 454,030 km (0.092 R)
• M3: 838,795 km (0.082 R)
• M4: 1,218,475 km (0.102 R)
• M5: 1,383,481 km (0.112 R)
• M6: 1,740,721 km (0.083 R)
• M7: 2,221,528 km (0.105 R)
• M8: 2,446,224 km (0.084 R)
• M9: 2,760,679 km (0.11 R)
• M10: 3,296,688 km (0.118 R)
• M11: 4,861,632 km (0.107 R)
• M12: 9,241,259 km (0.119 R)
• M13: 9,470,892 km (0.081 R)
• M14: 13,608,320 km (0.049 R)
• M15: 17,121,028 km (0.119 R)
• M16: 20,025,171 km (0.049 R)
• M17: 23,988,019 km (0.063 R)
• M18: 43,429,608 km (0.111 R)
• M19: 57,360,760 km (0.092 R)
• M20: 59,509,584 km (0.049 R)
• M21: 64,800,412 km (0.055 R)
• M22: 79,860,430 km (0.167 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 13,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit