🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 13.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.9 AU - 1.06 AU

Year: 658 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,357,965 km

• M1: 169,195 km (0.099 R)
• M2: 618,587 km (0.109 R)
• M3: 1,041,800 km (0.089 R)
• M4: 1,517,521 km (0.113 R)
• M5: 2,046,798 km (0.102 R)
• M6: 2,538,227 km (0.071 R)
• M7: 3,086,354 km (0.083 R)
• M8: 3,649,141 km (0.102 R)
• M9: 4,153,734 km (0.065 R)
• M10: 4,781,148 km (0.103 R)
• M11: 5,623,534 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.7

Radius: 10.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.27 AU - 1.47 AU

Year: 1088 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 55.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,357,965 km

• M1: 125,662 km (0.082 R)
• M2: 459,864 km (0.071 R)
• M3: 925,263 km (0.112 R)
• M4: 1,250,638 km (0.061 R)
• M5: 2,567,847 km (0.04 R)
• M6: 2,921,796 km (0.112 R)
• M7: 3,570,901 km (0.117 R)
• M8: 4,361,975 km (0.057 R)
• M9: 4,678,823 km (0.114 R)
• M10: 5,046,834 km (0.109 R)
• M11: 5,434,143 km (0.119 R)
• M12: 7,394,623 km (0.102 R)
• M13: 8,521,244 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 8.3

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.4 AU - 1.68 AU

Year: 1296 Days

Day: 6.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,357,965 km

• M1: 103,223 km (0.11 R)
• M2: 398,080 km (0.111 R)
• M3: 889,210 km (0.08 R)
• M4: 1,178,233 km (0.032 R)
• M5: 1,438,384 km (0.096 R)
• M6: 1,765,554 km (0.06 R)
• M7: 2,046,050 km (0.06 R)
• M8: 2,486,765 km (0.087 R)
• M9: 2,801,669 km (0.103 R)
• M10: 3,171,624 km (0.106 R)
• M11: 3,959,856 km (0.102 R)
• M12: 4,267,429 km (0.044 R)
• M13: 5,724,512 km (0.036 R)
• M14: 6,007,402 km (0.064 R)
• M15: 7,084,058 km (0.069 R)
• M16: 8,012,612 km (0.091 R)
• M17: 8,422,510 km (0.11 R)
• M18: 8,961,810 km (0.083 R)
• M19: 9,523,999 km (0.119 R)
• M20: 9,798,361 km (0.11 R)
• M21: 10,077,960 km (0.059 R)
• M22: 10,816,973 km (0.081 R)
• M23: 11,182,890 km (0.116 R)
• M24: 11,591,591 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.7

Radius: 8

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.81 AU - 3.39 AU

Year: 3702 Days

Day: 6 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,357,965 km

• M1: 99,483 km (0.096 R)
• M2: 754,721 km (0.053 R)
• M3: 1,027,289 km (0.101 R)
• M4: 1,440,627 km (0.059 R)
• M5: 2,043,357 km (0.116 R)
• M6: 2,635,316 km (0.101 R)
• M7: 2,998,689 km (0.077 R)
• M8: 4,748,536 km (0.112 R)
• M9: 5,103,980 km (0.048 R)
• M10: 5,698,632 km (0.055 R)
• M11: 7,122,654 km (0.054 R)
• M12: 7,691,874 km (0.112 R)
• M13: 8,254,811 km (0.102 R)
• M14: 8,882,972 km (0.1 R)
• M15: 11,178,252 km (0.108 R)
• M16: 17,853,010 km (0.038 R)
• M17: 18,651,414 km (0.07 R)
• M18: 23,292,688 km (0.063 R)
• M19: 23,876,119 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.2

Radius: 10.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.12 AU - 5.06 AU

Year: 5610 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 90.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,357,965 km

• M1: 130,599 km (0.04 R)
• M2: 530,624 km (0.074 R)
• M3: 978,071 km (0.078 R)
• M4: 1,528,591 km (0.103 R)
• M5: 2,809,747 km (0.058 R)
• M6: 3,846,909 km (0.077 R)
• M7: 4,305,128 km (0.115 R)
• M8: 5,247,145 km (0.041 R)
• M9: 6,935,656 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.7

Radius: 13.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.23 AU - 6.85 AU

Year: 8844 Days

Day: 8.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,357,965 km

• M1: 171,589 km (0.089 R)
• M2: 906,413 km (0.118 R)
• M3: 1,345,932 km (0.076 R)
• M4: 2,051,436 km (0.034 R)
• M5: 2,597,468 km (0.043 R)
• M6: 5,217,824 km (0.11 R)
• M7: 6,280,268 km (0.109 R)
• M8: 6,934,310 km (0.112 R)
• M9: 7,902,508 km (0.04 R)
• M10: 8,338,585 km (0.108 R)
• M11: 8,916,781 km (0.117 R)
• M12: 9,346,127 km (0.095 R)
• M13: 10,061,803 km (0.049 R)
• M14: 10,910,472 km (0.104 R)
• M15: 11,502,281 km (0.081 R)
• M16: 13,076,350 km (0.093 R)
• M17: 14,087,332 km (0.04 R)
• M18: 14,789,844 km (0.055 R)
• M19: 15,331,987 km (0.059 R)
• M20: 17,367,714 km (0.066 R)
• M21: 18,728,307 km (0.055 R)
• M22: 20,825,819 km (0.026 R)
• M23: 21,737,917 km (0.101 R)
• M24: 27,328,240 km (0.12 R)
• M25: 31,184,424 km (0.059 R)
• M26: 35,069,630 km (0.082 R)
• M27: 36,143,294 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.5

Radius: 5.5

Gravity: 22.93 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 6.96 AU - 9.12 AU

Year: 15462 Days

Day: 18.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,357,965 km

• M1: 68,815 km (0.087 R)
• M2: 378,782 km (0.039 R)
• M3: 716,275 km (0.117 R)
• M4: 902,674 km (0.071 R)
• M5: 1,305,840 km (0.101 R)
• M6: 1,821,653 km (0.034 R)
• M7: 2,993,603 km (0.104 R)
• M8: 3,324,813 km (0.117 R)
• M9: 5,038,606 km (0.103 R)
• M10: 8,496,561 km (0.053 R)
• M11: 9,531,628 km (0.071 R)
• M12: 10,418,295 km (0.041 R)
• M13: 12,418,418 km (0.091 R)
• M14: 13,610,713 km (0.06 R)
• M15: 13,885,674 km (0.102 R)
• M16: 15,390,330 km (0.119 R)
• M17: 15,688,927 km (0.085 R)
• M18: 16,297,342 km (0.112 R)
• M19: 20,913,782 km (0.09 R)
• M20: 21,837,400 km (0.109 R)
• M21: 22,595,562 km (0.049 R)
• M22: 24,567,710 km (0.085 R)
• M23: 25,595,597 km (0.089 R)
• M24: 27,082,151 km (0.081 R)
• M25: 29,418,720 km (0.048 R)
• M26: 29,648,054 km (0.039 R)
• M27: 31,405,979 km (0.108 R)
• M28: 33,856,242 km (0.1 R)
• M29: 34,871,114 km (0.11 R)
• M30: 36,563,216 km (0.09 R)
• M31: 38,995,527 km (0.076 R)
• M32: 43,730,749 km (0.046 R)
• M33: 48,037,522 km (0.094 R)
• M34: 53,296,037 km (0.074 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 12,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit