🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.6

Radius: 9.2

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.66 AU - 0.82 AU

Year: 439 Days

Day: 7.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,851,595 km

• M1: 114,592 km (0.079 R)
• M2: 421,866 km (0.045 R)
• M3: 784,042 km (0.085 R)
• M4: 1,085,931 km (0.09 R)
• M5: 1,407,566 km (0.082 R)
• M6: 2,097,512 km (0.073 R)
• M7: 2,485,120 km (0.061 R)
• M8: 3,008,712 km (0.095 R)
• M9: 3,321,073 km (0.072 R)
• M10: 3,970,776 km (0.113 R)
• M11: 4,810,170 km (0.09 R)
• M12: 5,222,761 km (0.084 R)
• M13: 5,850,773 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949

Radius: 14.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.04 AU - 1.44 AU

Year: 953 Days

Day: 8 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,851,595 km

• M1: 185,501 km (0.095 R)
• M2: 902,973 km (0.081 R)
• M3: 1,451,698 km (0.086 R)
• M4: 1,969,905 km (0.112 R)
• M5: 2,673,912 km (0.086 R)
• M6: 3,196,308 km (0.103 R)
• M7: 4,176,174 km (0.093 R)
• M8: 4,682,563 km (0.073 R)
• M9: 5,348,423 km (0.091 R)
• M10: 5,883,535 km (0.035 R)
• M11: 7,836,834 km (0.085 R)
• M12: 8,695,227 km (0.102 R)
• M13: 9,795,070 km (0.09 R)
• M14: 11,018,482 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.7

Radius: 12.9

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.49 AU - 2.45 AU

Year: 1909 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,851,595 km

• M1: 160,818 km (0.102 R)
• M2: 574,306 km (0.074 R)
• M3: 1,109,268 km (0.119 R)
• M4: 1,529,040 km (0.096 R)
• M5: 1,987,707 km (0.11 R)
• M6: 3,002,728 km (0.05 R)
• M7: 3,404,399 km (0.097 R)
• M8: 4,065,621 km (0.117 R)
• M9: 4,518,903 km (0.119 R)
• M10: 4,940,320 km (0.109 R)
• M11: 5,838,805 km (0.103 R)
• M12: 6,417,898 km (0.118 R)
• M13: 7,118,615 km (0.075 R)
• M14: 7,810,056 km (0.07 R)
• M15: 8,769,128 km (0.048 R)
• M16: 10,370,872 km (0.075 R)
• M17: 10,846,594 km (0.052 R)
• M18: 11,645,895 km (0.107 R)
• M19: 12,730,779 km (0.114 R)
• M20: 15,475,900 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.1

Radius: 10.2

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.19 AU - 3.27 AU

Year: 3114 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,851,595 km

• M1: 126,859 km (0.111 R)
• M2: 496,515 km (0.072 R)
• M3: 833,410 km (0.064 R)
• M4: 1,272,180 km (0.114 R)
• M5: 1,978,133 km (0.114 R)
• M6: 3,532,903 km (0.092 R)
• M7: 4,703,058 km (0.078 R)
• M8: 5,403,325 km (0.083 R)
• M9: 6,287,299 km (0.089 R)
• M10: 7,042,619 km (0.068 R)
• M11: 7,589,998 km (0.106 R)
• M12: 8,375,686 km (0.106 R)
• M13: 8,806,527 km (0.117 R)
• M14: 11,016,537 km (0.11 R)
• M15: 11,359,864 km (0.085 R)
• M16: 13,137,685 km (0.059 R)
• M17: 13,475,477 km (0.065 R)
• M18: 14,118,000 km (0.105 R)
• M19: 14,781,018 km (0.098 R)
• M20: 17,065,078 km (0.074 R)
• M21: 20,079,774 km (0.077 R)
• M22: 21,914,293 km (0.084 R)
• M23: 22,872,467 km (0.115 R)
• M24: 23,221,329 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 12.6

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.45 AU - 3.19 AU

Year: 3269 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,851,595 km

• M1: 157,078 km (0.102 R)
• M2: 571,913 km (0.112 R)
• M3: 1,256,024 km (0.115 R)
• M4: 2,100,504 km (0.118 R)
• M5: 4,779,802 km (0.101 R)
• M6: 8,085,017 km (0.062 R)
• M7: 12,633,091 km (0.044 R)
• M8: 14,334,318 km (0.113 R)
• M9: 16,889,001 km (0.094 R)
• M10: 18,536,523 km (0.098 R)
• M11: 19,429,472 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.8

Radius: 13.1

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.81 AU - 3.15 AU

Year: 3551 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,851,595 km

• M1: 162,912 km (0.065 R)
• M2: 639,680 km (0.1 R)
• M3: 1,094,159 km (0.033 R)
• M4: 1,630,318 km (0.026 R)
• M5: 2,281,368 km (0.107 R)
• M6: 2,785,363 km (0.096 R)
• M7: 3,441,200 km (0.104 R)
• M8: 3,870,097 km (0.115 R)
• M9: 5,115,200 km (0.112 R)
• M10: 6,309,141 km (0.065 R)
• M11: 7,052,193 km (0.11 R)
• M12: 10,621,598 km (0.119 R)
• M13: 11,360,014 km (0.077 R)
• M14: 12,891,297 km (0.074 R)
• M15: 14,294,974 km (0.111 R)
• M16: 14,873,619 km (0.067 R)
• M17: 15,413,069 km (0.082 R)
• M18: 16,246,778 km (0.104 R)
• M19: 18,308,835 km (0.118 R)
• M20: 18,928,918 km (0.118 R)
• M21: 21,345,372 km (0.098 R)
• M22: 22,592,420 km (0.093 R)
• M23: 23,233,896 km (0.116 R)
• M24: 25,536,955 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.4

Radius: 15

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.67 AU - 3.71 AU

Year: 3933 Days

Day: 14.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,851,595 km

• M1: 197,469 km (0.096 R)
• M2: 665,411 km (0.091 R)
• M3: 1,145,471 km (0.112 R)
• M4: 1,821,204 km (0.064 R)
• M5: 2,319,515 km (0.107 R)
• M6: 3,620,418 km (0.073 R)
• M7: 4,952,438 km (0.05 R)
• M8: 5,885,330 km (0.078 R)
• M9: 6,469,360 km (0.114 R)
• M10: 6,996,094 km (0.114 R)
• M11: 9,553,769 km (0.051 R)
• M12: 10,197,638 km (0.11 R)
• M13: 11,394,421 km (0.102 R)
• M14: 12,540,341 km (0.072 R)
• M15: 13,068,272 km (0.11 R)
• M16: 15,439,398 km (0.113 R)
• M17: 15,935,016 km (0.117 R)
• M18: 16,669,541 km (0.1 R)
• M19: 18,145,623 km (0.091 R)
• M20: 18,884,487 km (0.046 R)
• M21: 20,554,149 km (0.082 R)
• M22: 21,289,423 km (0.085 R)
• M23: 22,320,302 km (0.102 R)
• M24: 24,556,042 km (0.097 R)
• M25: 25,308,220 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.7

Radius: 10.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.07 AU - 3.61 AU

Year: 4213 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,851,595 km

• M1: 129,851 km (0.036 R)
• M2: 1,020,257 km (0.113 R)
• M3: 2,961,739 km (0.092 R)
• M4: 3,811,604 km (0.109 R)
• M5: 7,816,489 km (0.113 R)
• M6: 9,056,505 km (0.085 R)
• M7: 9,429,004 km (0.098 R)
• M8: 10,060,457 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.9

Radius: 9.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.65 AU - 6.03 AU

Year: 7350 Days

Day: 10.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,851,595 km

• M1: 118,182 km (0.089 R)
• M2: 521,498 km (0.07 R)
• M3: 983,756 km (0.03 R)
• M4: 1,293,872 km (0.086 R)
• M5: 1,920,089 km (0.109 R)
• M6: 2,318,617 km (0.091 R)
• M7: 3,616,080 km (0.064 R)
• M8: 4,471,630 km (0.12 R)
• M9: 6,709,764 km (0.067 R)
• M10: 8,371,347 km (0.105 R)
• M11: 10,734,694 km (0.116 R)
• M12: 11,190,968 km (0.111 R)
• M13: 12,587,464 km (0.099 R)
• M14: 13,146,511 km (0.112 R)
• M15: 14,423,628 km (0.076 R)
• M16: 14,811,236 km (0.068 R)
• M17: 15,319,869 km (0.09 R)
• M18: 21,206,994 km (0.117 R)
• M19: 22,217,977 km (0.1 R)
• M20: 23,260,674 km (0.11 R)
• M21: 24,102,611 km (0.026 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536

Radius: 7.8

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.95 AU - 10.73 AU

Year: 22950 Days

Day: 15.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,851,595 km

• M1: 96,939 km (0.113 R)
• M2: 350,957 km (0.111 R)
• M3: 666,159 km (0.116 R)
• M4: 948,151 km (0.065 R)
• M5: 2,067,443 km (0.108 R)
• M6: 2,428,123 km (0.074 R)
• M7: 2,731,807 km (0.099 R)
• M8: 4,177,072 km (0.075 R)
• M9: 5,083,336 km (0.073 R)
• M10: 6,635,264 km (0.085 R)
• M11: 7,184,887 km (0.059 R)
• M12: 8,116,881 km (0.115 R)
• M13: 9,691,399 km (0.096 R)
• M14: 10,765,212 km (0.08 R)
• M15: 17,178,323 km (0.093 R)
• M16: 28,745,530 km (0.12 R)
• M17: 33,923,561 km (0.053 R)
• M18: 36,102,454 km (0.095 R)
• M19: 37,510,469 km (0.077 R)
• M20: 40,436,005 km (0.077 R)
• M21: 48,070,583 km (0.093 R)
• M22: 50,989,537 km (0.09 R)
• M23: 52,939,844 km (0.06 R)
• M24: 62,034,497 km (0.096 R)
• M25: 75,706,097 km (0.112 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 15,565 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit