🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.5

Radius: 14

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.93 AU - 1.37 AU

Year: 822 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,365,471 km

• M1: 174,132 km (0.097 R)
• M2: 712,235 km (0.117 R)
• M3: 1,248,095 km (0.055 R)
• M4: 1,694,196 km (0.117 R)
• M5: 2,213,300 km (0.114 R)
• M6: 2,702,785 km (0.105 R)
• M7: 3,759,843 km (0.116 R)
• M8: 4,276,554 km (0.029 R)
• M9: 4,733,127 km (0.111 R)
• M10: 5,271,380 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 12.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.92 AU - 2.68 AU

Year: 2326 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,365,471 km

• M1: 157,826 km (0.056 R)
• M2: 843,433 km (0.07 R)
• M3: 1,310,178 km (0.108 R)
• M4: 1,775,428 km (0.088 R)
• M5: 2,377,110 km (0.119 R)
• M6: 3,699,705 km (0.076 R)
• M7: 4,144,759 km (0.064 R)
• M8: 4,667,454 km (0.081 R)
• M9: 5,487,100 km (0.081 R)
• M10: 6,245,711 km (0.118 R)
• M11: 6,907,532 km (0.106 R)
• M12: 8,848,265 km (0.12 R)
• M13: 9,444,712 km (0.109 R)
• M14: 9,997,327 km (0.058 R)
• M15: 11,983,238 km (0.058 R)
• M16: 15,365,945 km (0.051 R)
• M17: 16,131,288 km (0.078 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.3

Radius: 4.5

Gravity: 27.97 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.8 AU - 8.2 AU

Year: 12350 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,365,471 km

• M1: 55,950 km (0.085 R)
• M2: 263,891 km (0.113 R)
• M3: 521,498 km (0.097 R)
• M4: 762,201 km (0.12 R)
• M5: 1,735,186 km (0.112 R)
• M6: 2,018,225 km (0.115 R)
• M7: 3,031,002 km (0.055 R)
• M8: 5,530,184 km (0.115 R)
• M9: 6,837,520 km (0.086 R)
• M10: 7,204,334 km (0.036 R)
• M11: 7,757,248 km (0.116 R)
• M12: 8,475,916 km (0.094 R)
• M13: 10,306,396 km (0.115 R)
• M14: 11,062,613 km (0.113 R)
• M15: 13,808,033 km (0.118 R)
• M16: 16,178,112 km (0.114 R)
• M17: 19,123,395 km (0.103 R)
• M18: 19,768,760 km (0.063 R)
• M19: 19,932,271 km (0.077 R)
• M20: 20,511,962 km (0.06 R)
• M21: 26,940,482 km (0.026 R)
• M22: 32,615,328 km (0.071 R)
• M23: 38,781,004 km (0.066 R)
• M24: 40,336,672 km (0.039 R)
• M25: 41,933,480 km (0.054 R)
• M26: 48,742,876 km (0.042 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.6

Radius: 3.7

Gravity: 48.4 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.94 AU - 9.72 AU

Year: 14611 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,365,471 km

• M1: 46,076 km (0.045 R)
• M2: 192,832 km (0.12 R)
• M3: 1,117,945 km (0.105 R)
• M4: 1,246,449 km (0.119 R)
• M5: 1,988,904 km (0.101 R)
• M6: 2,594,326 km (0.117 R)
• M7: 2,751,703 km (0.068 R)
• M8: 3,011,854 km (0.113 R)
• M9: 3,288,161 km (0.1 R)
• M10: 3,949,533 km (0.049 R)
• M11: 4,249,627 km (0.085 R)
• M12: 6,338,013 km (0.112 R)
• M13: 7,670,032 km (0.11 R)
• M14: 7,854,487 km (0.049 R)
• M15: 9,650,110 km (0.088 R)
• M16: 10,642,841 km (0.087 R)
• M17: 13,686,859 km (0.048 R)
• M18: 14,723,273 km (0.091 R)
• M19: 16,260,690 km (0.109 R)
• M20: 16,873,443 km (0.113 R)
• M21: 17,107,115 km (0.114 R)
• M22: 17,821,295 km (0.105 R)
• M23: 19,995,551 km (0.095 R)
• M24: 21,691,841 km (0.052 R)
• M25: 23,578,569 km (0.071 R)
• M26: 23,968,571 km (0.081 R)
• M27: 25,674,286 km (0.102 R)
• M28: 26,609,272 km (0.094 R)
• M29: 30,692,098 km (0.116 R)
• M30: 31,274,033 km (0.09 R)
• M31: 32,459,746 km (0.082 R)
• M32: 32,580,023 km (0.109 R)
• M33: 33,063,673 km (0.079 R)
• M34: 40,487,168 km (0.078 R)
• M35: 41,186,837 km (0.105 R)
• M36: 41,894,584 km (0.116 R)
• M37: 44,657,657 km (0.047 R)
• M38: 44,955,507 km (0.108 R)
• M39: 48,947,376 km (0.075 R)
• M40: 53,336,278 km (0.088 R)
• M41: 58,334,493 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.7

Radius: 3.5

Gravity: 61.04 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.29 AU - 10.47 AU

Year: 16177 Days

Day: 22.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,365,471 km

• M1: 44,131 km (0.043 R)
• M2: 246,537 km (0.092 R)
• M3: 487,988 km (0.084 R)
• M4: 709,692 km (0.118 R)
• M5: 948,301 km (0.114 R)
• M6: 1,105,528 km (0.11 R)
• M7: 1,396,197 km (0.067 R)
• M8: 1,718,431 km (0.066 R)
• M9: 1,953,000 km (0.102 R)
• M10: 2,229,158 km (0.049 R)
• M11: 4,232,273 km (0.079 R)
• M12: 5,754,581 km (0.117 R)
• M13: 6,195,895 km (0.114 R)
• M14: 6,361,649 km (0.096 R)
• M15: 7,327,753 km (0.112 R)
• M16: 7,845,511 km (0.102 R)
• M17: 8,237,158 km (0.072 R)
• M18: 9,327,128 km (0.078 R)
• M19: 11,351,486 km (0.067 R)
• M20: 11,979,648 km (0.092 R)
• M21: 13,860,991 km (0.09 R)
• M22: 15,094,425 km (0.073 R)
• M23: 17,200,913 km (0.115 R)
• M24: 18,451,701 km (0.082 R)
• M25: 19,761,879 km (0.106 R)
• M26: 20,761,342 km (0.115 R)
• M27: 22,958,785 km (0.069 R)
• M28: 27,141,242 km (0.092 R)
• M29: 28,147,438 km (0.119 R)
• M30: 40,616,271 km (0.103 R)
• M31: 44,185,526 km (0.107 R)
• M32: 49,426,538 km (0.078 R)
• M33: 50,756,613 km (0.108 R)
• M34: 58,132,835 km (0.086 R)
• M35: 61,692,217 km (0.119 R)
• M36: 63,622,628 km (0.094 R)
• M37: 66,191,822 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.4

Radius: 7.7

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.72 AU - 8.79 AU

Year: 17260 Days

Day: 21.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 106.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,365,471 km

• M1: 96,790 km (0.119 R)
• M2: 380,577 km (0.106 R)
• M3: 783,893 km (0.099 R)
• M4: 1,319,603 km (0.066 R)
• M5: 1,922,632 km (0.116 R)
• M6: 2,625,293 km (0.101 R)
• M7: 2,996,745 km (0.098 R)
• M8: 3,938,164 km (0.112 R)
• M9: 4,953,634 km (0.06 R)
• M10: 5,883,983 km (0.117 R)
• M11: 8,553,408 km (0.106 R)
• M12: 9,148,359 km (0.111 R)
• M13: 10,480,976 km (0.114 R)
• M14: 10,911,220 km (0.117 R)
• M15: 11,610,740 km (0.089 R)
• M16: 13,382,876 km (0.104 R)
• M17: 15,328,097 km (0.07 R)
• M18: 16,450,081 km (0.065 R)
• M19: 19,863,007 km (0.098 R)
• M20: 22,789,590 km (0.065 R)
• M21: 26,779,515 km (0.104 R)
• M22: 32,101,908 km (0.103 R)
• M23: 35,009,941 km (0.043 R)
• M24: 35,970,808 km (0.105 R)
• M25: 36,387,887 km (0.051 R)
• M26: 37,516,154 km (0.116 R)
• M27: 50,109,452 km (0.094 R)
• M28: 54,191,380 km (0.098 R)
• M29: 58,489,775 km (0.073 R)
• M30: 60,427,367 km (0.103 R)
• M31: 61,016,932 km (0.094 R)
• M32: 68,393,753 km (0.102 R)
• M33: 73,852,280 km (0.037 R)
• M34: 76,572,418 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.2

Radius: 7.2

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.9 AU - 11.04 AU

Year: 17915 Days

Day: 18.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,365,471 km

• M1: 89,609 km (0.101 R)
• M2: 405,261 km (0.051 R)
• M3: 978,520 km (0.11 R)
• M4: 1,412,204 km (0.084 R)
• M5: 1,912,160 km (0.083 R)
• M6: 2,661,197 km (0.097 R)
• M7: 3,051,198 km (0.116 R)
• M8: 3,795,448 km (0.09 R)
• M9: 4,068,763 km (0.091 R)
• M10: 5,333,463 km (0.118 R)
• M11: 6,035,227 km (0.108 R)
• M12: 6,622,399 km (0.111 R)
• M13: 7,432,471 km (0.059 R)
• M14: 10,085,290 km (0.106 R)
• M15: 10,552,035 km (0.114 R)
• M16: 10,850,932 km (0.096 R)
• M17: 13,035,809 km (0.092 R)
• M18: 13,659,931 km (0.092 R)
• M19: 14,744,067 km (0.081 R)
• M20: 16,119,470 km (0.118 R)
• M21: 17,000,900 km (0.104 R)
• M22: 17,329,268 km (0.105 R)
• M23: 19,389,081 km (0.098 R)
• M24: 23,175,852 km (0.117 R)
• M25: 32,801,876 km (0.064 R)
• M26: 37,161,158 km (0.115 R)
• M27: 38,413,741 km (0.1 R)
• M28: 45,731,022 km (0.093 R)
• M29: 48,801,518 km (0.111 R)
• M30: 51,834,765 km (0.117 R)
• M31: 55,170,199 km (0.087 R)
• M32: 58,273,457 km (0.097 R)
• M33: 61,106,691 km (0.101 R)
• M34: 62,265,177 km (0.051 R)
• M35: 65,025,258 km (0.118 R)
• M36: 67,455,026 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 12,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit