🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 13.2

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.64 AU - 0.68 AU

Year: 364 Days

Day: 9.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,202,647 km

• M1: 164,258 km (0.103 R)
• M2: 575,952 km (0.113 R)
• M3: 1,099,245 km (0.03 R)
• M4: 1,577,061 km (0.082 R)
• M5: 2,006,407 km (0.097 R)
• M6: 2,600,011 km (0.085 R)
• M7: 3,185,986 km (0.044 R)
• M8: 3,771,662 km (0.119 R)
• M9: 4,456,371 km (0.107 R)
• M10: 5,379,539 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.3

Radius: 9.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.97 AU - 3.73 AU

Year: 4159 Days

Day: 12 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,202,647 km

• M1: 114,891 km (0.08 R)
• M2: 532,120 km (0.102 R)
• M3: 1,625,979 km (0.087 R)
• M4: 2,118,755 km (0.037 R)
• M5: 2,986,273 km (0.099 R)
• M6: 3,746,978 km (0.078 R)
• M7: 4,828,421 km (0.094 R)
• M8: 5,310,126 km (0.119 R)
• M9: 6,002,166 km (0.093 R)
• M10: 8,636,734 km (0.096 R)
• M11: 10,023,656 km (0.068 R)
• M12: 11,079,218 km (0.07 R)
• M13: 11,836,483 km (0.112 R)
• M14: 12,332,250 km (0.107 R)
• M15: 16,099,274 km (0.079 R)
• M16: 18,297,615 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.4

Radius: 13

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.68 AU - 5.74 AU

Year: 6933 Days

Day: 8.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,202,647 km

• M1: 161,715 km (0.118 R)
• M2: 1,075,459 km (0.094 R)
• M3: 1,488,648 km (0.085 R)
• M4: 1,897,200 km (0.082 R)
• M5: 2,930,173 km (0.096 R)
• M6: 5,270,183 km (0.09 R)
• M7: 6,208,910 km (0.087 R)
• M8: 6,871,629 km (0.075 R)
• M9: 7,691,724 km (0.088 R)
• M10: 8,183,452 km (0.094 R)
• M11: 10,229,054 km (0.084 R)
• M12: 11,443,340 km (0.083 R)
• M13: 14,101,245 km (0.102 R)
• M14: 14,667,174 km (0.065 R)
• M15: 16,956,769 km (0.071 R)
• M16: 17,403,169 km (0.06 R)
• M17: 21,632,750 km (0.095 R)
• M18: 23,078,912 km (0.091 R)
• M19: 24,914,628 km (0.045 R)
• M20: 26,163,172 km (0.062 R)
• M21: 28,069,198 km (0.046 R)
• M22: 29,329,411 km (0.095 R)
• M23: 33,038,690 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.8

Radius: 13.5

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.32 AU - 5.74 AU

Year: 7651 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,202,647 km

• M1: 167,849 km (0.099 R)
• M2: 1,140,684 km (0.103 R)
• M3: 2,101,401 km (0.085 R)
• M4: 2,536,282 km (0.091 R)
• M5: 3,816,690 km (0.025 R)
• M6: 4,420,916 km (0.115 R)
• M7: 6,199,485 km (0.116 R)
• M8: 10,599,608 km (0.102 R)
• M9: 11,308,552 km (0.099 R)
• M10: 11,998,497 km (0.091 R)
• M11: 13,085,924 km (0.07 R)
• M12: 15,696,407 km (0.081 R)
• M13: 19,045,754 km (0.055 R)
• M14: 20,814,599 km (0.064 R)
• M15: 29,174,876 km (0.119 R)
• M16: 29,634,441 km (0.066 R)
• M17: 30,285,790 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.1

Radius: 5.6

Gravity: 21.05 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.03 AU - 7.51 AU

Year: 13295 Days

Day: 20.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,202,647 km

• M1: 69,713 km (0.107 R)
• M2: 295,157 km (0.113 R)
• M3: 614,398 km (0.118 R)
• M4: 2,199,986 km (0.064 R)
• M5: 3,332,442 km (0.085 R)
• M6: 6,632,870 km (0.106 R)
• M7: 8,437,918 km (0.094 R)
• M8: 12,730,779 km (0.114 R)
• M9: 13,630,161 km (0.086 R)
• M10: 16,807,919 km (0.11 R)
• M11: 17,342,881 km (0.072 R)
• M12: 18,047,338 km (0.031 R)
• M13: 18,770,643 km (0.102 R)
• M14: 22,220,370 km (0.091 R)
• M15: 29,015,105 km (0.065 R)
• M16: 29,453,128 km (0.105 R)
• M17: 42,028,774 km (0.058 R)
• M18: 43,155,096 km (0.082 R)
• M19: 46,207,342 km (0.066 R)
• M20: 47,255,873 km (0.103 R)
• M21: 50,654,437 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.4

Radius: 4

Gravity: 52.65 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.07 AU - 7.73 AU

Year: 13653 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 63,202,647 km

• M1: 49,816 km (0.103 R)
• M2: 182,210 km (0.057 R)
• M3: 686,205 km (0.069 R)
• M4: 869,313 km (0.056 R)
• M5: 1,001,408 km (0.117 R)
• M6: 1,348,924 km (0.101 R)
• M7: 1,967,810 km (0.068 R)
• M8: 2,360,804 km (0.09 R)
• M9: 2,827,699 km (0.106 R)
• M10: 3,460,648 km (0.081 R)
• M11: 3,795,896 km (0.07 R)
• M12: 4,662,068 km (0.111 R)
• M13: 5,001,057 km (0.098 R)
• M14: 5,141,230 km (0.12 R)
• M15: 5,319,999 km (0.045 R)
• M16: 7,991,369 km (0.116 R)
• M17: 9,293,020 km (0.086 R)
• M18: 10,442,530 km (0.051 R)
• M19: 15,028,153 km (0.082 R)
• M20: 15,173,862 km (0.1 R)
• M21: 16,296,444 km (0.101 R)
• M22: 20,082,766 km (0.045 R)
• M23: 21,618,538 km (0.115 R)
• M24: 22,844,343 km (0.114 R)
• M25: 25,023,385 km (0.059 R)
• M26: 26,692,449 km (0.074 R)
• M27: 31,186,519 km (0.069 R)
• M28: 32,505,373 km (0.101 R)
• M29: 36,159,750 km (0.104 R)
• M30: 37,614,589 km (0.061 R)
• M31: 39,938,892 km (0.12 R)
• M32: 41,207,332 km (0.097 R)
• M33: 41,350,048 km (0.072 R)
• M34: 42,212,330 km (0.061 R)
• M35: 44,271,096 km (0.108 R)
• M36: 46,704,754 km (0.105 R)
• M37: 48,906,087 km (0.1 R)
• M38: 49,708,829 km (0.099 R)
• M39: 52,503,467 km (0.077 R)
• M40: 53,176,059 km (0.097 R)
• M41: 57,687,632 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 10,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit