🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671

Radius: 12.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.84 AU - 0.84 AU

Year: 513 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,465,415 km

• M1: 166,652 km (0.097 R)
• M2: 587,471 km (0.069 R)
• M3: 1,024,446 km (0.044 R)
• M4: 1,429,707 km (0.11 R)
• M5: 1,969,755 km (0.102 R)
• M6: 2,553,336 km (0.059 R)
• M7: 3,019,932 km (0.081 R)
• M8: 3,683,548 km (0.116 R)
• M9: 5,074,360 km (0.079 R)
• M10: 6,366,287 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.1

Radius: 14

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.08 AU - 1.24 AU

Year: 833 Days

Day: 9.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,465,415 km

• M1: 174,132 km (0.116 R)
• M2: 675,883 km (0.11 R)
• M3: 1,155,644 km (0.025 R)
• M4: 1,656,647 km (0.027 R)
• M5: 2,208,813 km (0.049 R)
• M6: 3,747,277 km (0.116 R)
• M7: 4,233,321 km (0.112 R)
• M8: 4,793,864 km (0.115 R)
• M9: 5,618,447 km (0.11 R)
• M10: 6,396,057 km (0.078 R)
• M11: 7,137,015 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.3

Radius: 14.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.71 AU - 1.71 AU

Year: 1491 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,465,415 km

• M1: 182,809 km (0.117 R)
• M2: 754,422 km (0.06 R)
• M3: 1,289,085 km (0.064 R)
• M4: 2,116,211 km (0.101 R)
• M5: 2,923,591 km (0.097 R)
• M6: 3,406,344 km (0.118 R)
• M7: 4,129,200 km (0.098 R)
• M8: 4,830,814 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.2

Radius: 9.4

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.44 AU - 2.06 AU

Year: 1544 Days

Day: 8.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,465,415 km

• M1: 116,986 km (0.101 R)
• M2: 577,747 km (0.116 R)
• M3: 1,090,269 km (0.053 R)
• M4: 1,440,328 km (0.032 R)
• M5: 1,802,954 km (0.075 R)
• M6: 2,361,103 km (0.092 R)
• M7: 2,771,001 km (0.073 R)
• M8: 3,337,977 km (0.078 R)
• M9: 4,504,990 km (0.097 R)
• M10: 6,659,798 km (0.093 R)
• M11: 8,076,789 km (0.079 R)
• M12: 8,400,668 km (0.115 R)
• M13: 10,288,444 km (0.052 R)
• M14: 10,704,625 km (0.081 R)
• M15: 11,681,799 km (0.111 R)
• M16: 13,359,389 km (0.084 R)
• M17: 14,022,856 km (0.078 R)
• M18: 14,362,742 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 8.9

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.58 AU - 2.26 AU

Year: 1774 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,465,415 km

• M1: 111,151 km (0.078 R)
• M2: 500,704 km (0.096 R)
• M3: 840,441 km (0.114 R)
• M4: 1,166,863 km (0.093 R)
• M5: 1,938,040 km (0.086 R)
• M6: 3,246,124 km (0.07 R)
• M7: 3,675,470 km (0.104 R)
• M8: 4,293,608 km (0.116 R)
• M9: 4,916,085 km (0.098 R)
• M10: 5,238,169 km (0.084 R)
• M11: 5,551,577 km (0.091 R)
• M12: 6,567,795 km (0.043 R)
• M13: 6,959,293 km (0.108 R)
• M14: 8,714,375 km (0.1 R)
• M15: 9,479,718 km (0.12 R)
• M16: 10,048,339 km (0.119 R)
• M17: 10,393,462 km (0.106 R)
• M18: 10,710,759 km (0.109 R)
• M19: 11,070,841 km (0.052 R)
• M20: 11,551,050 km (0.096 R)
• M21: 12,160,961 km (0.08 R)
• M22: 12,792,413 km (0.091 R)
• M23: 13,653,947 km (0.105 R)
• M24: 14,206,412 km (0.083 R)
• M25: 14,906,680 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.8

Radius: 3.4

Gravity: 51.02 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.27 AU - 9.59 AU

Year: 14892 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,465,415 km

• M1: 42,336 km (0.082 R)
• M2: 172,786 km (0.067 R)
• M3: 632,799 km (0.051 R)
• M4: 1,417,889 km (0.12 R)
• M5: 2,377,858 km (0.073 R)
• M6: 2,633,970 km (0.113 R)
• M7: 3,960,604 km (0.09 R)
• M8: 4,137,728 km (0.119 R)
• M9: 4,289,420 km (0.084 R)
• M10: 5,602,889 km (0.108 R)
• M11: 6,330,683 km (0.116 R)
• M12: 6,451,109 km (0.071 R)
• M13: 7,293,345 km (0.119 R)
• M14: 8,111,795 km (0.064 R)
• M15: 10,989,160 km (0.069 R)
• M16: 11,457,402 km (0.1 R)
• M17: 11,636,470 km (0.097 R)
• M18: 12,308,763 km (0.07 R)
• M19: 12,749,778 km (0.066 R)
• M20: 13,071,114 km (0.094 R)
• M21: 13,530,230 km (0.114 R)
• M22: 14,067,885 km (0.094 R)
• M23: 21,581,138 km (0.081 R)
• M24: 29,563,232 km (0.116 R)
• M25: 30,810,429 km (0.114 R)
• M26: 35,388,573 km (0.052 R)
• M27: 36,793,746 km (0.047 R)
• M28: 40,399,653 km (0.069 R)
• M29: 50,829,467 km (0.104 R)
• M30: 56,831,333 km (0.083 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: 279 - 13,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit