🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667

Radius: 14.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.61 AU - 0.63 AU

Year: 343 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,633,848 km

• M1: 192,832 km (0.116 R)
• M2: 731,982 km (0.052 R)
• M3: 1,542,204 km (0.091 R)
• M4: 2,048,743 km (0.066 R)
• M5: 2,630,828 km (0.092 R)
• M6: 3,477,552 km (0.102 R)
• M7: 4,198,165 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.7

Radius: 12.1

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.8 AU - 0.82 AU

Year: 512 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,633,848 km

• M1: 163,810 km (0.07 R)
• M2: 708,196 km (0.093 R)
• M3: 1,456,186 km (0.062 R)
• M4: 1,984,565 km (0.075 R)
• M5: 3,029,806 km (0.099 R)
• M6: 3,407,989 km (0.029 R)
• M7: 4,129,051 km (0.1 R)
• M8: 4,883,772 km (0.084 R)
• M9: 5,602,141 km (0.117 R)
• M10: 6,428,819 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.3

Radius: 12.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.9 AU - 1.28 AU

Year: 800 Days

Day: 14.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,633,848 km

• M1: 163,660 km (0.071 R)
• M2: 612,005 km (0.117 R)
• M3: 1,215,333 km (0.067 R)
• M4: 1,646,773 km (0.081 R)
• M5: 2,081,954 km (0.113 R)
• M6: 3,034,294 km (0.066 R)
• M7: 3,848,405 km (0.097 R)
• M8: 4,491,227 km (0.067 R)
• M9: 5,242,358 km (0.093 R)
• M10: 5,648,367 km (0.114 R)
• M11: 6,634,516 km (0.07 R)
• M12: 7,298,282 km (0.112 R)
• M13: 7,732,116 km (0.109 R)
• M14: 8,311,807 km (0.101 R)
• M15: 9,001,753 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.5

Radius: 11.3

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.09 AU - 1.65 AU

Year: 1127 Days

Day: 13.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,633,848 km

• M1: 141,520 km (0.059 R)
• M2: 600,785 km (0.088 R)
• M3: 952,190 km (0.078 R)
• M4: 1,322,595 km (0.081 R)
• M5: 1,725,761 km (0.078 R)
• M6: 2,946,928 km (0.037 R)
• M7: 4,312,009 km (0.071 R)
• M8: 4,997,766 km (0.091 R)
• M9: 5,439,079 km (0.085 R)
• M10: 6,354,319 km (0.102 R)
• M11: 9,385,920 km (0.108 R)
• M12: 11,538,933 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.4

Radius: 12.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.34 AU - 1.54 AU

Year: 1215 Days

Day: 12.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,633,848 km

• M1: 156,779 km (0.096 R)
• M2: 602,730 km (0.085 R)
• M3: 996,023 km (0.043 R)
• M4: 1,433,148 km (0.116 R)
• M5: 1,958,535 km (0.105 R)
• M6: 2,447,421 km (0.098 R)
• M7: 3,177,608 km (0.053 R)
• M8: 4,427,499 km (0.056 R)
• M9: 5,154,395 km (0.112 R)
• M10: 6,261,269 km (0.104 R)
• M11: 7,334,784 km (0.106 R)
• M12: 7,957,410 km (0.086 R)
• M13: 9,033,019 km (0.094 R)
• M14: 11,832,144 km (0.062 R)
• M15: 12,499,949 km (0.04 R)
• M16: 13,075,452 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 9

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.43 AU - 1.77 AU

Year: 1423 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,633,848 km

• M1: 112,049 km (0.093 R)
• M2: 398,529 km (0.079 R)
• M3: 756,666 km (0.075 R)
• M4: 1,065,286 km (0.117 R)
• M5: 1,791,883 km (0.078 R)
• M6: 2,082,552 km (0.091 R)
• M7: 2,380,102 km (0.103 R)
• M8: 2,733,452 km (0.062 R)
• M9: 3,243,880 km (0.071 R)
• M10: 4,871,056 km (0.104 R)
• M11: 5,291,426 km (0.115 R)
• M12: 6,085,193 km (0.07 R)
• M13: 6,374,964 km (0.106 R)
• M14: 7,738,997 km (0.057 R)
• M15: 8,669,645 km (0.113 R)
• M16: 9,256,368 km (0.116 R)
• M17: 10,856,916 km (0.08 R)
• M18: 12,479,155 km (0.117 R)
• M19: 12,908,651 km (0.026 R)
• M20: 13,591,864 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.5

Radius: 12.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.09 AU - 2.19 AU

Year: 2201 Days

Day: 7.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,633,848 km

• M1: 169,195 km (0.028 R)
• M2: 643,869 km (0.095 R)
• M3: 1,282,802 km (0.091 R)
• M4: 2,350,482 km (0.114 R)
• M5: 2,768,159 km (0.093 R)
• M6: 3,541,580 km (0.119 R)
• M7: 4,252,319 km (0.119 R)
• M8: 6,343,548 km (0.083 R)
• M9: 6,799,822 km (0.078 R)
• M10: 8,083,671 km (0.067 R)
• M11: 13,552,370 km (0.104 R)
• M12: 15,146,934 km (0.047 R)
• M13: 15,624,750 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 9.8

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.51 AU - 4.77 AU

Year: 7026 Days

Day: 10.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,633,848 km

• M1: 121,922 km (0.101 R)
• M2: 613,800 km (0.079 R)
• M3: 987,795 km (0.069 R)
• M4: 1,328,130 km (0.109 R)
• M5: 1,761,365 km (0.113 R)
• M6: 2,597,318 km (0.112 R)
• M7: 2,954,857 km (0.115 R)
• M8: 5,091,414 km (0.102 R)
• M9: 5,472,739 km (0.09 R)
• M10: 8,216,214 km (0.113 R)
• M11: 8,950,441 km (0.051 R)
• M12: 10,132,862 km (0.057 R)
• M13: 11,073,833 km (0.084 R)
• M14: 14,074,766 km (0.06 R)
• M15: 18,113,460 km (0.093 R)
• M16: 21,398,928 km (0.11 R)
• M17: 22,707,610 km (0.068 R)
• M18: 23,181,836 km (0.106 R)
• M19: 24,727,780 km (0.045 R)
• M20: 29,215,417 km (0.112 R)
• M21: 32,193,163 km (0.1 R)
• M22: 32,792,003 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.9

Radius: 9.9

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.99 AU - 5.15 AU

Year: 8025 Days

Day: 14 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,633,848 km

• M1: 123,418 km (0.04 R)
• M2: 479,162 km (0.111 R)
• M3: 1,781,561 km (0.118 R)
• M4: 2,323,255 km (0.114 R)
• M5: 2,722,980 km (0.093 R)
• M6: 3,258,690 km (0.093 R)
• M7: 4,260,847 km (0.109 R)
• M8: 5,045,637 km (0.053 R)
• M9: 6,490,603 km (0.096 R)
• M10: 9,499,016 km (0.092 R)
• M11: 12,746,038 km (0.065 R)
• M12: 14,429,762 km (0.067 R)
• M13: 15,786,315 km (0.108 R)
• M14: 23,170,017 km (0.08 R)
• M15: 24,664,949 km (0.069 R)
• M16: 25,390,199 km (0.071 R)
• M17: 26,883,485 km (0.077 R)
• M18: 29,839,689 km (0.054 R)
• M19: 32,140,654 km (0.093 R)
• M20: 33,444,399 km (0.083 R)
• M21: 34,783,151 km (0.078 R)
• M22: 35,237,180 km (0.092 R)
• M23: 40,998,643 km (0.097 R)
• M24: 43,442,773 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 19,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit