🌌 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: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66

Radius: 9.6

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.77 AU - 0.79 AU

Year: 484 Days

Day: 12.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,707,941 km

• M1: 119,379 km (0.095 R)
• M2: 465,249 km (0.042 R)
• M3: 1,039,256 km (0.036 R)
• M4: 1,479,074 km (0.069 R)
• M5: 1,894,059 km (0.058 R)
• M6: 2,236,339 km (0.099 R)
• M7: 2,795,236 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.5

Radius: 11.2

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.29 AU - 1.61 AU

Year: 1227 Days

Day: 13.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,707,941 km

• M1: 140,173 km (0.12 R)
• M2: 603,179 km (0.097 R)
• M3: 1,168,659 km (0.065 R)
• M4: 2,059,963 km (0.058 R)
• M5: 2,494,844 km (0.032 R)
• M6: 3,313,593 km (0.112 R)
• M7: 6,209,508 km (0.07 R)
• M8: 7,552,299 km (0.11 R)
• M9: 8,237,756 km (0.112 R)
• M10: 8,764,490 km (0.12 R)
• M11: 9,167,058 km (0.081 R)
• M12: 10,609,331 km (0.113 R)
• M13: 11,233,454 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.3

Radius: 12.4

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.57 AU - 1.73 AU

Year: 1490 Days

Day: 14.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,707,941 km

• M1: 154,385 km (0.047 R)
• M2: 726,148 km (0.086 R)
• M3: 1,215,333 km (0.115 R)
• M4: 1,736,981 km (0.111 R)
• M5: 2,310,838 km (0.105 R)
• M6: 2,883,649 km (0.101 R)
• M7: 3,486,528 km (0.054 R)
• M8: 3,911,386 km (0.114 R)
• M9: 4,389,501 km (0.075 R)
• M10: 5,067,179 km (0.104 R)
• M11: 5,658,689 km (0.117 R)
• M12: 6,201,879 km (0.085 R)
• M13: 6,656,507 km (0.114 R)
• M14: 7,632,932 km (0.103 R)
• M15: 8,155,777 km (0.11 R)
• M16: 8,790,969 km (0.1 R)
• M17: 10,095,313 km (0.103 R)
• M18: 11,242,579 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 11

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.05 AU - 2.43 AU

Year: 2357 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,707,941 km

• M1: 157,975 km (0.06 R)
• M2: 730,786 km (0.058 R)
• M3: 1,191,248 km (0.028 R)
• M4: 2,096,764 km (0.117 R)
• M5: 2,987,769 km (0.042 R)
• M6: 3,974,815 km (0.107 R)
• M7: 5,730,646 km (0.081 R)
• M8: 6,866,093 km (0.072 R)
• M9: 7,276,141 km (0.068 R)
• M10: 7,764,877 km (0.035 R)
• M11: 9,542,100 km (0.038 R)
• M12: 15,968,825 km (0.1 R)
• M13: 16,534,155 km (0.089 R)
• M14: 17,326,725 km (0.118 R)
• M15: 18,478,329 km (0.098 R)
• M16: 18,987,261 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672

Radius: 10.7

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.34 AU - 3.82 AU

Year: 3800 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,707,941 km

• M1: 136,732 km (0.078 R)
• M2: 512,074 km (0.095 R)
• M3: 1,034,320 km (0.118 R)
• M4: 1,402,181 km (0.108 R)
• M5: 1,820,905 km (0.105 R)
• M6: 2,221,379 km (0.074 R)
• M7: 2,599,712 km (0.098 R)
• M8: 3,960,005 km (0.059 R)
• M9: 5,185,511 km (0.089 R)
• M10: 5,801,854 km (0.051 R)
• M11: 6,617,462 km (0.025 R)
• M12: 7,053,091 km (0.098 R)
• M13: 9,409,108 km (0.09 R)
• M14: 11,259,334 km (0.104 R)
• M15: 12,200,903 km (0.095 R)
• M16: 13,097,443 km (0.037 R)
• M17: 13,986,653 km (0.12 R)
• M18: 14,758,129 km (0.102 R)
• M19: 15,557,580 km (0.084 R)
• M20: 16,050,954 km (0.101 R)
• M21: 17,476,472 km (0.116 R)
• M22: 22,605,136 km (0.057 R)
• M23: 24,393,429 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 11

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.74 AU - 6.12 AU

Year: 7694 Days

Day: 7.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 20,707,941 km

• M1: 136,882 km (0.048 R)
• M2: 586,872 km (0.1 R)
• M3: 1,200,673 km (0.065 R)
• M4: 2,269,848 km (0.078 R)
• M5: 2,869,287 km (0.106 R)
• M6: 3,450,325 km (0.081 R)
• M7: 4,041,237 km (0.118 R)
• M8: 5,371,461 km (0.11 R)
• M9: 10,488,157 km (0.109 R)
• M10: 11,500,636 km (0.104 R)
• M11: 12,625,163 km (0.111 R)
• M12: 15,812,345 km (0.119 R)
• M13: 18,923,083 km (0.104 R)
• M14: 21,164,658 km (0.081 R)
• M15: 21,577,847 km (0.119 R)
• M16: 26,965,615 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 12.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.09 AU - 5.61 AU

Year: 8698 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,707,941 km

• M1: 153,039 km (0.116 R)
• M2: 736,171 km (0.105 R)
• M3: 1,353,562 km (0.108 R)
• M4: 1,787,246 km (0.065 R)
• M5: 4,637,384 km (0.102 R)
• M6: 5,440,875 km (0.088 R)
• M7: 6,089,381 km (0.112 R)
• M8: 7,053,390 km (0.089 R)
• M9: 9,355,402 km (0.068 R)
• M10: 9,795,220 km (0.117 R)
• M11: 11,362,407 km (0.086 R)
• M12: 14,160,635 km (0.115 R)
• M13: 16,739,852 km (0.084 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 18,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit