🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.7

Radius: 12.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 10.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,907,781 km

• M1: 157,975 km (0.084 R)
• M2: 582,534 km (0.105 R)
• M3: 1,314,666 km (0.053 R)
• M4: 1,877,603 km (0.111 R)
• M5: 2,368,134 km (0.075 R)
• M6: 2,771,600 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.6

Radius: 10.6

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.75 AU - 0.83 AU

Year: 468 Days

Day: 13.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,907,781 km

• M1: 131,945 km (0.095 R)
• M2: 513,719 km (0.05 R)
• M3: 891,155 km (0.095 R)
• M4: 1,284,148 km (0.093 R)
• M5: 1,703,471 km (0.095 R)
• M6: 2,033,035 km (0.075 R)
• M7: 2,803,314 km (0.089 R)
• M8: 3,302,971 km (0.072 R)
• M9: 3,668,589 km (0.084 R)
• M10: 4,643,368 km (0.065 R)
• M11: 5,296,513 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.9

Radius: 14.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.99 AU - 3.07 AU

Year: 2684 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,907,781 km

• M1: 184,005 km (0.116 R)
• M2: 666,608 km (0.12 R)
• M3: 1,599,500 km (0.085 R)
• M4: 2,094,520 km (0.082 R)
• M5: 3,562,673 km (0.119 R)
• M6: 4,281,790 km (0.103 R)
• M7: 5,119,090 km (0.067 R)
• M8: 5,885,629 km (0.114 R)
• M9: 6,755,391 km (0.117 R)
• M10: 7,922,703 km (0.116 R)
• M11: 9,118,888 km (0.088 R)
• M12: 9,992,988 km (0.088 R)
• M13: 10,506,707 km (0.102 R)
• M14: 12,319,833 km (0.119 R)
• M15: 12,782,689 km (0.118 R)
• M16: 14,379,796 km (0.081 R)
• M17: 15,908,088 km (0.052 R)
• M18: 16,865,365 km (0.098 R)
• M19: 17,332,110 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 12.2

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.24 AU - 3.72 AU

Year: 3430 Days

Day: 11 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,907,781 km

• M1: 152,141 km (0.113 R)
• M2: 672,592 km (0.103 R)
• M3: 1,323,941 km (0.112 R)
• M4: 2,019,870 km (0.112 R)
• M5: 2,399,999 km (0.117 R)
• M6: 2,913,269 km (0.08 R)
• M7: 4,296,301 km (0.054 R)
• M8: 5,159,631 km (0.086 R)
• M9: 5,992,741 km (0.1 R)
• M10: 6,789,499 km (0.091 R)
• M11: 7,925,994 km (0.062 R)
• M12: 9,337,450 km (0.099 R)
• M13: 15,523,771 km (0.065 R)
• M14: 16,068,756 km (0.032 R)
• M15: 16,513,959 km (0.048 R)
• M16: 17,197,322 km (0.12 R)
• M17: 19,485,871 km (0.11 R)
• M18: 20,120,465 km (0.102 R)
• M19: 22,727,806 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.6

Radius: 5.1

Gravity: 13.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.96 AU - 7.26 AU

Year: 11333 Days

Day: 22.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,907,781 km

• M1: 64,626 km (0.115 R)
• M2: 281,244 km (0.069 R)
• M3: 553,363 km (0.114 R)
• M4: 773,271 km (0.066 R)
• M5: 961,166 km (0.049 R)
• M6: 1,835,566 km (0.112 R)
• M7: 2,788,953 km (0.114 R)
• M8: 3,780,039 km (0.085 R)
• M9: 4,409,846 km (0.108 R)
• M10: 4,634,692 km (0.054 R)
• M11: 7,167,982 km (0.106 R)
• M12: 14,059,507 km (0.091 R)
• M13: 15,685,038 km (0.047 R)
• M14: 19,678,702 km (0.12 R)
• M15: 20,989,329 km (0.069 R)
• M16: 21,545,534 km (0.058 R)
• M17: 24,041,126 km (0.105 R)
• M18: 24,914,029 km (0.069 R)
• M19: 25,358,335 km (0.077 R)
• M20: 31,936,004 km (0.075 R)
• M21: 34,835,061 km (0.11 R)
• M22: 40,170,020 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.8

Radius: 6.5

Gravity: 19.21 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.17 AU - 11.27 AU

Year: 18669 Days

Day: 23.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 171.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,907,781 km

• M1: 81,082 km (0.106 R)
• M2: 305,479 km (0.113 R)
• M3: 704,756 km (0.101 R)
• M4: 1,324,988 km (0.117 R)
• M5: 1,822,102 km (0.105 R)
• M6: 2,347,490 km (0.069 R)
• M7: 3,127,194 km (0.044 R)
• M8: 3,374,778 km (0.087 R)
• M9: 5,109,216 km (0.11 R)
• M10: 6,361,201 km (0.035 R)
• M11: 6,942,538 km (0.091 R)
• M12: 7,855,384 km (0.061 R)
• M13: 8,418,919 km (0.108 R)
• M14: 9,174,837 km (0.096 R)
• M15: 10,821,162 km (0.111 R)
• M16: 11,325,456 km (0.116 R)
• M17: 14,610,326 km (0.103 R)
• M18: 17,864,379 km (0.06 R)
• M19: 18,302,402 km (0.12 R)
• M20: 19,291,244 km (0.096 R)
• M21: 23,813,887 km (0.104 R)
• M22: 24,558,884 km (0.089 R)
• M23: 24,774,455 km (0.059 R)
• M24: 27,694,455 km (0.08 R)
• M25: 30,961,224 km (0.081 R)
• M26: 35,704,374 km (0.084 R)
• M27: 43,220,321 km (0.098 R)
• M28: 44,647,634 km (0.12 R)
• M29: 45,291,952 km (0.107 R)
• M30: 46,599,288 km (0.112 R)
• M31: 47,596,059 km (0.104 R)
• M32: 50,149,993 km (0.111 R)
• M33: 53,333,735 km (0.12 R)
• M34: 56,461,827 km (0.05 R)
• M35: 56,837,766 km (0.096 R)
• M36: 60,492,143 km (0.053 R)
• M37: 62,677,917 km (0.114 R)
• M38: 63,283,041 km (0.079 R)
• M39: 63,485,596 km (0.101 R)
• M40: 71,069,760 km (0.105 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: 432 - 14,627 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit