🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 10.4

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.72 AU - 0.82 AU

Year: 451 Days

Day: 8.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,136,693 km

• M1: 129,402 km (0.092 R)
• M2: 467,194 km (0.061 R)
• M3: 829,520 km (0.106 R)
• M4: 1,159,683 km (0.098 R)
• M5: 1,721,572 km (0.075 R)
• M6: 2,284,210 km (0.098 R)
• M7: 2,692,762 km (0.065 R)
• M8: 3,045,364 km (0.084 R)
• M9: 3,555,343 km (0.086 R)
• M10: 4,149,995 km (0.085 R)
• M11: 5,784,501 km (0.042 R)
• M12: 6,706,473 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.3

Radius: 8.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.87 AU - 1.01 AU

Year: 608 Days

Day: 13.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,136,693 km

• M1: 109,506 km (0.111 R)
• M2: 405,410 km (0.105 R)
• M3: 808,277 km (0.062 R)
• M4: 1,239,418 km (0.082 R)
• M5: 1,753,885 km (0.064 R)
• M6: 2,122,046 km (0.116 R)
• M7: 2,513,693 km (0.108 R)
• M8: 3,078,724 km (0.114 R)
• M9: 3,641,811 km (0.085 R)
• M10: 4,153,435 km (0.063 R)
• M11: 4,461,009 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.3

Radius: 13.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.02 AU - 1.06 AU

Year: 707 Days

Day: 14.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,136,693 km

• M1: 169,195 km (0.044 R)
• M2: 754,572 km (0.115 R)
• M3: 1,326,185 km (0.117 R)
• M4: 1,833,621 km (0.114 R)
• M5: 2,304,106 km (0.099 R)
• M6: 3,000,933 km (0.057 R)
• M7: 3,577,932 km (0.028 R)
• M8: 4,181,709 km (0.119 R)
• M9: 4,665,958 km (0.115 R)
• M10: 5,241,909 km (0.062 R)
• M11: 6,043,604 km (0.065 R)
• M12: 6,495,240 km (0.061 R)
• M13: 7,283,322 km (0.114 R)
• M14: 8,711,982 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.7

Radius: 14.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.13 AU - 1.15 AU

Year: 812 Days

Day: 9.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,136,693 km

• M1: 185,501 km (0.106 R)
• M2: 923,767 km (0.047 R)
• M3: 1,760,767 km (0.074 R)
• M4: 2,263,117 km (0.056 R)
• M5: 2,886,192 km (0.111 R)
• M6: 3,430,728 km (0.113 R)
• M7: 4,028,970 km (0.09 R)
• M8: 5,092,910 km (0.111 R)
• M9: 6,153,409 km (0.104 R)
• M10: 6,866,243 km (0.097 R)
• M11: 7,540,630 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.9

Radius: 3.2

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.48 AU - 7.32 AU

Year: 10797 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,136,693 km

• M1: 42,935 km (0.074 R)
• M2: 187,895 km (0.108 R)
• M3: 603,478 km (0.086 R)
• M4: 811,419 km (0.082 R)
• M5: 1,186,012 km (0.12 R)
• M6: 1,295,518 km (0.102 R)
• M7: 3,611,891 km (0.107 R)
• M8: 4,525,336 km (0.044 R)
• M9: 4,945,556 km (0.073 R)
• M10: 6,331,879 km (0.115 R)
• M11: 8,169,689 km (0.093 R)
• M12: 8,385,559 km (0.102 R)
• M13: 9,963,517 km (0.113 R)
• M14: 10,292,782 km (0.12 R)
• M15: 13,591,116 km (0.095 R)
• M16: 18,192,148 km (0.085 R)
• M17: 21,208,191 km (0.056 R)
• M18: 23,659,202 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701

Radius: 5.9

Gravity: 20.14 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.39 AU - 8.91 AU

Year: 15516 Days

Day: 18.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,136,693 km

• M1: 76,145 km (0.088 R)
• M2: 358,586 km (0.105 R)
• M3: 630,405 km (0.109 R)
• M4: 989,889 km (0.095 R)
• M5: 1,236,277 km (0.111 R)
• M6: 1,570,329 km (0.105 R)
• M7: 2,941,992 km (0.039 R)
• M8: 3,706,287 km (0.069 R)
• M9: 4,058,590 km (0.112 R)
• M10: 4,369,006 km (0.115 R)
• M11: 4,728,639 km (0.094 R)
• M12: 4,932,990 km (0.118 R)
• M13: 6,872,975 km (0.095 R)
• M14: 9,113,203 km (0.065 R)
• M15: 9,700,375 km (0.085 R)
• M16: 11,923,100 km (0.074 R)
• M17: 13,219,365 km (0.108 R)
• M18: 13,625,823 km (0.063 R)
• M19: 14,464,020 km (0.071 R)
• M20: 14,968,464 km (0.063 R)
• M21: 17,505,793 km (0.074 R)
• M22: 19,261,773 km (0.11 R)
• M23: 21,594,303 km (0.106 R)
• M24: 27,353,372 km (0.12 R)
• M25: 28,459,200 km (0.111 R)
• M26: 32,441,794 km (0.069 R)
• M27: 38,674,191 km (0.068 R)
• M28: 40,065,900 km (0.109 R)
• M29: 43,989,852 km (0.031 R)
• M30: 46,743,351 km (0.084 R)
• M31: 47,056,309 km (0.11 R)
• M32: 47,370,615 km (0.099 R)
• M33: 57,462,637 km (0.105 R)
• M34: 58,907,902 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.8

Radius: 6.3

Gravity: 17.4 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.09 AU - 9.15 AU

Year: 16877 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,136,693 km

• M1: 114,442 km (0.082 R)
• M2: 502,350 km (0.115 R)
• M3: 928,255 km (0.09 R)
• M4: 1,934,300 km (0.115 R)
• M5: 3,497,897 km (0.103 R)
• M6: 5,955,192 km (0.054 R)
• M7: 7,326,257 km (0.061 R)
• M8: 11,525,469 km (0.107 R)
• M9: 13,564,488 km (0.087 R)
• M10: 14,705,620 km (0.094 R)
• M11: 16,064,268 km (0.065 R)
• M12: 18,596,811 km (0.098 R)
• M13: 22,145,721 km (0.096 R)
• M14: 32,624,603 km (0.049 R)
• M15: 35,980,083 km (0.082 R)
• M16: 36,381,454 km (0.106 R)
• M17: 38,433,339 km (0.066 R)
• M18: 40,561,069 km (0.108 R)
• M19: 48,870,632 km (0.111 R)
• M20: 51,027,684 km (0.118 R)
• M21: 57,513,350 km (0.118 R)
• M22: 63,158,875 km (0.07 R)
• M23: 67,323,231 km (0.081 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: 486 - 19,751 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit