🌌 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: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 8.1

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.92 AU - 1.02 AU

Year: 659 Days

Day: 10.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,548,614 km

• M1: 100,829 km (0.091 R)
• M2: 433,086 km (0.104 R)
• M3: 871,408 km (0.107 R)
• M4: 1,254,977 km (0.087 R)
• M5: 1,539,960 km (0.094 R)
• M6: 1,903,783 km (0.098 R)
• M7: 2,589,988 km (0.074 R)
• M8: 3,120,163 km (0.112 R)
• M9: 4,041,087 km (0.069 R)
• M10: 4,411,791 km (0.104 R)
• M11: 7,377,419 km (0.081 R)
• M12: 7,932,128 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 8.9

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.86 AU - 1.34 AU

Year: 796 Days

Day: 5.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,548,614 km

• M1: 110,702 km (0.057 R)
• M2: 512,672 km (0.095 R)
• M3: 1,007,691 km (0.087 R)
• M4: 1,341,295 km (0.089 R)
• M5: 1,641,388 km (0.111 R)
• M6: 2,422,738 km (0.049 R)
• M7: 3,056,434 km (0.089 R)
• M8: 3,555,941 km (0.111 R)
• M9: 4,093,746 km (0.102 R)
• M10: 7,219,743 km (0.102 R)
• M11: 8,326,617 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.6

Radius: 8.2

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.96 AU - 1.3 AU

Year: 829 Days

Day: 5.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,548,614 km

• M1: 102,026 km (0.117 R)
• M2: 487,988 km (0.064 R)
• M3: 848,370 km (0.116 R)
• M4: 1,159,982 km (0.092 R)
• M5: 1,517,072 km (0.1 R)
• M6: 1,847,534 km (0.097 R)
• M7: 2,185,625 km (0.081 R)
• M8: 2,853,729 km (0.098 R)
• M9: 3,151,429 km (0.083 R)
• M10: 3,552,800 km (0.054 R)
• M11: 4,377,234 km (0.096 R)
• M12: 5,160,079 km (0.034 R)
• M13: 5,434,591 km (0.112 R)
• M14: 5,738,126 km (0.101 R)
• M15: 6,525,758 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 9.2

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3 AU - 3.48 AU

Year: 4026 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,548,614 km

• M1: 152,440 km (0.051 R)
• M2: 609,911 km (0.087 R)
• M3: 898,634 km (0.047 R)
• M4: 1,186,162 km (0.096 R)
• M5: 2,009,698 km (0.074 R)
• M6: 2,449,964 km (0.078 R)
• M7: 3,307,459 km (0.107 R)
• M8: 3,647,944 km (0.089 R)
• M9: 8,067,963 km (0.062 R)
• M10: 8,465,444 km (0.12 R)
• M11: 8,838,242 km (0.087 R)
• M12: 12,039,786 km (0.104 R)
• M13: 13,143,669 km (0.095 R)
• M14: 13,694,787 km (0.101 R)
• M15: 15,998,445 km (0.081 R)
• M16: 16,626,906 km (0.108 R)
• M17: 18,055,117 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.5

Radius: 13

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.95 AU - 4.65 AU

Year: 5113 Days

Day: 10.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,548,614 km

• M1: 161,865 km (0.099 R)
• M2: 684,261 km (0.109 R)
• M3: 1,232,238 km (0.113 R)
• M4: 2,445,776 km (0.078 R)
• M5: 3,375,227 km (0.082 R)
• M6: 3,900,914 km (0.096 R)
• M7: 4,388,154 km (0.103 R)
• M8: 5,378,941 km (0.114 R)
• M9: 7,202,539 km (0.103 R)
• M10: 8,291,013 km (0.034 R)
• M11: 9,682,872 km (0.097 R)
• M12: 10,581,207 km (0.099 R)
• M13: 11,137,861 km (0.104 R)
• M14: 11,804,170 km (0.075 R)
• M15: 12,263,136 km (0.116 R)
• M16: 13,562,094 km (0.113 R)
• M17: 14,065,790 km (0.119 R)
• M18: 14,792,088 km (0.069 R)
• M19: 15,817,432 km (0.095 R)
• M20: 18,190,951 km (0.081 R)
• M21: 20,992,770 km (0.115 R)
• M22: 22,010,484 km (0.065 R)
• M23: 22,706,862 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.5

Radius: 14

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.29 AU - 5.37 AU

Year: 6219 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 32,548,614 km

• M1: 174,132 km (0.097 R)
• M2: 797,207 km (0.075 R)
• M3: 1,574,069 km (0.049 R)
• M4: 2,065,199 km (0.064 R)
• M5: 2,766,065 km (0.078 R)
• M6: 3,284,421 km (0.109 R)
• M7: 4,053,354 km (0.083 R)
• M8: 4,493,920 km (0.113 R)
• M9: 5,531,082 km (0.093 R)
• M10: 6,589,337 km (0.107 R)
• M11: 7,741,540 km (0.078 R)
• M12: 8,660,819 km (0.111 R)
• M13: 9,188,600 km (0.108 R)
• M14: 9,694,840 km (0.041 R)
• M15: 10,671,265 km (0.086 R)
• M16: 12,716,717 km (0.079 R)
• M17: 14,218,081 km (0.109 R)
• M18: 14,668,071 km (0.106 R)
• M19: 15,127,636 km (0.115 R)
• M20: 16,687,792 km (0.06 R)
• M21: 21,200,113 km (0.066 R)
• M22: 27,931,269 km (0.105 R)
• M23: 28,371,835 km (0.074 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 10,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit