🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.5

Radius: 8.5

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.48 AU - 0.58 AU

Year: 262 Days

Day: 8.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,630,652 km

• M1: 105,915 km (0.113 R)
• M2: 381,923 km (0.093 R)
• M3: 663,766 km (0.065 R)
• M4: 941,270 km (0.091 R)
• M5: 1,326,634 km (0.077 R)
• M6: 1,596,209 km (0.076 R)
• M7: 1,917,546 km (0.053 R)
• M8: 2,508,307 km (0.104 R)
• M9: 2,846,548 km (0.096 R)
• M10: 3,290,555 km (0.03 R)
• M11: 3,697,162 km (0.12 R)
• M12: 4,435,876 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.4

Radius: 11.3

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.65 AU - 0.81 AU

Year: 423 Days

Day: 14 Hours

Environment

Temp: -151 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,630,652 km

• M1: 140,772 km (0.036 R)
• M2: 495,169 km (0.11 R)
• M3: 1,082,490 km (0.085 R)
• M4: 1,567,935 km (0.063 R)
• M5: 2,122,794 km (0.107 R)
• M6: 2,492,600 km (0.094 R)
• M7: 3,712,870 km (0.104 R)
• M8: 4,469,685 km (0.091 R)
• M9: 4,980,263 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.1

Radius: 10.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.77 AU - 0.83 AU

Year: 485 Days

Day: 12.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,630,652 km

• M1: 130,898 km (0.069 R)
• M2: 464,202 km (0.107 R)
• M3: 922,869 km (0.07 R)
• M4: 1,299,108 km (0.061 R)
• M5: 1,757,326 km (0.098 R)
• M6: 2,483,325 km (0.118 R)
• M7: 3,046,261 km (0.114 R)
• M8: 3,852,145 km (0.111 R)
• M9: 4,225,242 km (0.089 R)
• M10: 4,594,450 km (0.082 R)
• M11: 4,940,619 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.2

Radius: 10.5

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.09 AU - 2.11 AU

Year: 2064 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,630,652 km

• M1: 134,788 km (0.109 R)
• M2: 473,028 km (0.117 R)
• M3: 1,564,195 km (0.054 R)
• M4: 1,922,781 km (0.064 R)
• M5: 2,538,077 km (0.114 R)
• M6: 3,117,769 km (0.117 R)
• M7: 3,551,902 km (0.07 R)
• M8: 3,950,431 km (0.1 R)
• M9: 4,562,885 km (0.053 R)
• M10: 4,990,884 km (0.117 R)
• M11: 7,117,418 km (0.101 R)
• M12: 8,086,214 km (0.101 R)
• M13: 8,975,274 km (0.056 R)
• M14: 9,308,129 km (0.113 R)
• M15: 10,649,274 km (0.116 R)
• M16: 11,443,489 km (0.1 R)
• M17: 13,580,046 km (0.118 R)
• M18: 14,063,995 km (0.103 R)
• M19: 14,423,180 km (0.113 R)
• M20: 15,253,747 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 12.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.99 AU - 2.37 AU

Year: 2183 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,630,652 km

• M1: 218,562 km (0.105 R)
• M2: 697,276 km (0.042 R)
• M3: 1,433,148 km (0.106 R)
• M4: 2,477,191 km (0.09 R)
• M5: 3,148,287 km (0.099 R)
• M6: 4,768,283 km (0.095 R)
• M7: 5,214,084 km (0.091 R)
• M8: 6,087,437 km (0.031 R)
• M9: 11,227,470 km (0.098 R)
• M10: 13,064,382 km (0.104 R)
• M11: 14,212,994 km (0.099 R)
• M12: 14,952,457 km (0.097 R)
• M13: 15,475,750 km (0.113 R)
• M14: 16,159,412 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679

Radius: 14.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.94 AU - 4.3 AU

Year: 5672 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,630,652 km

• M1: 184,155 km (0.034 R)
• M2: 657,034 km (0.118 R)
• M3: 1,386,473 km (0.066 R)
• M4: 2,221,678 km (0.07 R)
• M5: 2,827,699 km (0.116 R)
• M6: 4,402,815 km (0.112 R)
• M7: 6,088,633 km (0.106 R)
• M8: 6,940,294 km (0.1 R)
• M9: 7,466,879 km (0.09 R)
• M10: 8,365,363 km (0.106 R)
• M11: 13,061,390 km (0.082 R)
• M12: 13,703,315 km (0.047 R)
• M13: 14,366,332 km (0.094 R)
• M14: 14,992,699 km (0.049 R)
• M15: 15,876,224 km (0.12 R)
• M16: 19,484,823 km (0.102 R)
• M17: 20,968,834 km (0.108 R)
• M18: 22,679,486 km (0.052 R)
• M19: 28,103,606 km (0.085 R)
• M20: 32,650,334 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179

Radius: 4.1

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.92 AU - 6.1 AU

Year: 9993 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,630,652 km

• M1: 51,013 km (0.118 R)
• M2: 381,026 km (0.079 R)
• M3: 781,499 km (0.115 R)
• M4: 1,100,741 km (0.104 R)
• M5: 1,362,089 km (0.071 R)
• M6: 2,516,386 km (0.116 R)
• M7: 3,246,124 km (0.094 R)
• M8: 3,475,308 km (0.101 R)
• M9: 4,036,300 km (0.086 R)
• M10: 4,179,465 km (0.085 R)
• M11: 4,786,384 km (0.085 R)
• M12: 9,125,171 km (0.114 R)
• M13: 10,494,889 km (0.102 R)
• M14: 12,242,791 km (0.116 R)
• M15: 14,230,348 km (0.045 R)
• M16: 19,366,043 km (0.118 R)
• M17: 19,705,630 km (0.047 R)
• M18: 29,008,822 km (0.094 R)
• M19: 29,186,245 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 10,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit