🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.8

Radius: 9.2

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.21 AU - 2.01 AU

Year: 1340 Days

Day: 9 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,363,358 km

• M1: 114,442 km (0.091 R)
• M2: 564,283 km (0.069 R)
• M3: 994,826 km (0.096 R)
• M4: 1,310,627 km (0.092 R)
• M5: 1,791,435 km (0.055 R)
• M6: 2,084,946 km (0.039 R)
• M7: 3,240,888 km (0.058 R)
• M8: 3,567,311 km (0.088 R)
• M9: 3,950,132 km (0.036 R)
• M10: 4,661,918 km (0.104 R)
• M11: 5,244,752 km (0.076 R)
• M12: 6,104,192 km (0.067 R)
• M13: 6,458,738 km (0.1 R)
• M14: 8,413,833 km (0.09 R)
• M15: 9,589,224 km (0.107 R)
• M16: 10,939,344 km (0.073 R)
• M17: 11,894,975 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.7

Radius: 11.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.93 AU - 1.97 AU

Year: 1786 Days

Day: 5.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,363,358 km

• M1: 141,220 km (0.093 R)
• M2: 507,436 km (0.057 R)
• M3: 1,568,683 km (0.068 R)
• M4: 6,537,427 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.3

Radius: 15

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.86 AU - 2.08 AU

Year: 1814 Days

Day: 6.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,363,358 km

• M1: 192,682 km (0.071 R)
• M2: 797,506 km (0.07 R)
• M3: 1,519,466 km (0.055 R)
• M4: 2,660,598 km (0.038 R)
• M5: 5,351,116 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.1

Radius: 14.3

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.66 AU - 2.32 AU

Year: 1842 Days

Day: 8 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,363,358 km

• M1: 177,872 km (0.103 R)
• M2: 794,215 km (0.05 R)
• M3: 1,499,868 km (0.101 R)
• M4: 2,060,112 km (0.1 R)
• M5: 2,555,431 km (0.097 R)
• M6: 3,003,476 km (0.05 R)
• M7: 3,743,088 km (0.074 R)
• M8: 4,236,313 km (0.119 R)
• M9: 5,272,128 km (0.095 R)
• M10: 7,816,938 km (0.069 R)
• M11: 9,465,356 km (0.044 R)
• M12: 10,289,940 km (0.087 R)
• M13: 12,561,883 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.1

Radius: 14.9

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.35 AU - 3.05 AU

Year: 2910 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,363,358 km

• M1: 185,352 km (0.098 R)
• M2: 659,128 km (0.091 R)
• M3: 1,155,494 km (0.089 R)
• M4: 1,903,184 km (0.07 R)
• M5: 2,788,953 km (0.061 R)
• M6: 3,613,686 km (0.09 R)
• M7: 5,116,546 km (0.082 R)
• M8: 6,888,683 km (0.114 R)
• M9: 7,695,913 km (0.043 R)
• M10: 9,463,711 km (0.057 R)
• M11: 10,010,192 km (0.047 R)
• M12: 10,539,020 km (0.081 R)
• M13: 12,069,556 km (0.112 R)
• M14: 12,888,455 km (0.08 R)
• M15: 13,515,270 km (0.075 R)
• M16: 18,489,399 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.7

Radius: 9.5

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.61 AU - 5.19 AU

Year: 7115 Days

Day: 13.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,363,358 km

• M1: 131,646 km (0.084 R)
• M2: 636,090 km (0.084 R)
• M3: 1,539,512 km (0.119 R)
• M4: 2,413,014 km (0.042 R)
• M5: 3,231,464 km (0.071 R)
• M6: 3,603,364 km (0.117 R)
• M7: 4,168,545 km (0.1 R)
• M8: 4,551,066 km (0.037 R)
• M9: 5,408,861 km (0.102 R)
• M10: 7,278,684 km (0.098 R)
• M11: 8,211,577 km (0.12 R)
• M12: 9,807,337 km (0.035 R)
• M13: 11,015,639 km (0.097 R)
• M14: 13,477,571 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583

Radius: 8

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.08 AU - 6.98 AU

Year: 9714 Days

Day: 16.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,363,358 km

• M1: 101,577 km (0.089 R)
• M2: 535,112 km (0.119 R)
• M3: 1,013,974 km (0.06 R)
• M4: 1,311,824 km (0.095 R)
• M5: 1,741,020 km (0.108 R)
• M6: 2,777,284 km (0.078 R)
• M7: 3,163,247 km (0.107 R)
• M8: 3,488,024 km (0.099 R)
• M9: 5,015,717 km (0.049 R)
• M10: 6,643,043 km (0.069 R)
• M11: 7,455,210 km (0.098 R)
• M12: 7,740,194 km (0.077 R)
• M13: 8,074,844 km (0.087 R)
• M14: 8,683,558 km (0.085 R)
• M15: 10,389,572 km (0.118 R)
• M16: 11,481,936 km (0.05 R)
• M17: 12,083,768 km (0.09 R)
• M18: 12,477,510 km (0.07 R)
• M19: 14,325,343 km (0.044 R)
• M20: 15,347,246 km (0.088 R)
• M21: 17,750,685 km (0.105 R)
• M22: 20,712,124 km (0.102 R)
• M23: 21,033,461 km (0.07 R)
• M24: 24,431,127 km (0.078 R)
• M25: 25,152,040 km (0.104 R)
• M26: 32,614,729 km (0.076 R)
• M27: 37,495,809 km (0.111 R)
• M28: 38,696,780 km (0.035 R)
• M29: 40,546,259 km (0.039 R)
• M30: 42,842,287 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.3

Radius: 8

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.48 AU - 8.44 AU

Year: 13366 Days

Day: 15.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,363,358 km

• M1: 99,782 km (0.117 R)
• M2: 518,955 km (0.092 R)
• M3: 868,565 km (0.113 R)
• M4: 1,934,300 km (0.058 R)
• M5: 2,408,376 km (0.114 R)
• M6: 2,818,723 km (0.031 R)
• M7: 3,377,172 km (0.076 R)
• M8: 4,007,278 km (0.083 R)
• M9: 4,396,831 km (0.079 R)
• M10: 6,860,558 km (0.106 R)
• M11: 7,287,511 km (0.111 R)
• M12: 8,289,068 km (0.103 R)
• M13: 8,675,181 km (0.096 R)
• M14: 11,190,669 km (0.108 R)
• M15: 14,223,766 km (0.103 R)
• M16: 14,777,577 km (0.099 R)
• M17: 16,002,185 km (0.115 R)
• M18: 18,570,032 km (0.099 R)
• M19: 20,166,691 km (0.069 R)
• M20: 21,762,002 km (0.116 R)
• M21: 24,114,578 km (0.07 R)
• M22: 25,808,026 km (0.11 R)
• M23: 27,366,836 km (0.043 R)
• M24: 28,877,326 km (0.092 R)
• M25: 29,989,736 km (0.099 R)
• M26: 38,856,401 km (0.109 R)
• M27: 41,039,333 km (0.117 R)
• M28: 42,161,018 km (0.046 R)
• M29: 46,398,228 km (0.069 R)
• M30: 49,009,609 km (0.063 R)
• M31: 50,750,629 km (0.045 R)
• M32: 54,691,486 km (0.071 R)
• M33: 56,049,086 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 15,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit