🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.64 AU - 0.64 AU

Year: 336 Days

Day: 47.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,067,511 km

• M1: 29,620 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.6

Radius: 11.3

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.91 AU - 1.31 AU

Year: 767 Days

Day: 11.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,067,511 km

• M1: 145,858 km (0.101 R)
• M2: 645,515 km (0.118 R)
• M3: 1,067,830 km (0.116 R)
• M4: 1,473,240 km (0.077 R)
• M5: 2,015,981 km (0.096 R)
• M6: 2,497,985 km (0.12 R)
• M7: 3,395,872 km (0.076 R)
• M8: 4,069,361 km (0.083 R)
• M9: 4,798,800 km (0.091 R)
• M10: 5,309,976 km (0.117 R)
• M11: 5,928,264 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 12.3

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.04 AU - 2.96 AU

Year: 2593 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,067,511 km

• M1: 155,731 km (0.095 R)
• M2: 560,244 km (0.065 R)
• M3: 1,125,574 km (0.112 R)
• M4: 1,644,081 km (0.097 R)
• M5: 2,602,105 km (0.118 R)
• M6: 3,268,265 km (0.101 R)
• M7: 3,761,788 km (0.039 R)
• M8: 4,576,199 km (0.111 R)
• M9: 5,415,293 km (0.104 R)
• M10: 6,811,041 km (0.09 R)
• M11: 7,262,378 km (0.092 R)
• M12: 8,137,227 km (0.084 R)
• M13: 9,860,744 km (0.051 R)
• M14: 12,547,821 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.6

Radius: 9

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.31 AU - 4.65 AU

Year: 6221 Days

Day: 14.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,067,511 km

• M1: 111,899 km (0.111 R)
• M2: 1,090,419 km (0.11 R)
• M3: 2,691,864 km (0.108 R)
• M4: 4,212,826 km (0.093 R)
• M5: 4,650,100 km (0.114 R)
• M6: 5,390,310 km (0.08 R)
• M7: 5,936,044 km (0.091 R)
• M8: 6,237,633 km (0.083 R)
• M9: 6,709,465 km (0.082 R)
• M10: 7,306,958 km (0.115 R)
• M11: 7,939,309 km (0.11 R)
• M12: 8,269,022 km (0.094 R)
• M13: 9,233,031 km (0.102 R)
• M14: 11,521,878 km (0.061 R)
• M15: 12,922,414 km (0.082 R)
• M16: 14,759,924 km (0.062 R)
• M17: 17,065,676 km (0.106 R)
• M18: 21,803,441 km (0.032 R)
• M19: 23,634,668 km (0.094 R)
• M20: 24,858,977 km (0.111 R)
• M21: 25,486,840 km (0.114 R)
• M22: 26,044,840 km (0.079 R)
• M23: 26,774,129 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.3

Radius: 5.4

Gravity: 16.13 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.46 AU - 7.38 AU

Year: 9449 Days

Day: 17.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,067,511 km

• M1: 67,169 km (0.077 R)
• M2: 482,603 km (0.08 R)
• M3: 664,963 km (0.089 R)
• M4: 1,008,140 km (0.11 R)
• M5: 1,289,982 km (0.118 R)
• M6: 1,901,239 km (0.08 R)
• M7: 2,333,128 km (0.079 R)
• M8: 3,276,642 km (0.109 R)
• M9: 5,209,746 km (0.053 R)
• M10: 7,360,215 km (0.102 R)
• M11: 7,998,699 km (0.043 R)
• M12: 8,289,368 km (0.107 R)
• M13: 10,924,684 km (0.096 R)
• M14: 11,334,283 km (0.083 R)
• M15: 13,363,428 km (0.051 R)
• M16: 15,494,450 km (0.1 R)
• M17: 15,686,982 km (0.085 R)
• M18: 16,539,989 km (0.114 R)
• M19: 16,876,136 km (0.116 R)
• M20: 18,916,501 km (0.07 R)
• M21: 20,415,771 km (0.093 R)
• M22: 23,059,764 km (0.075 R)
• M23: 24,507,123 km (0.085 R)
• M24: 25,923,516 km (0.117 R)
• M25: 27,206,916 km (0.095 R)
• M26: 27,393,764 km (0.084 R)
• M27: 28,054,089 km (0.061 R)
• M28: 28,821,675 km (0.096 R)
• M29: 29,999,160 km (0.1 R)
• M30: 30,599,796 km (0.106 R)
• M31: 34,047,279 km (0.111 R)
• M32: 36,145,239 km (0.055 R)
• M33: 39,272,283 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.7

Radius: 8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.08 AU - 6.9 AU

Year: 9617 Days

Day: 15.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,067,511 km

• M1: 100,979 km (0.119 R)
• M2: 358,586 km (0.066 R)
• M3: 886,517 km (0.112 R)
• M4: 2,563,509 km (0.035 R)
• M5: 3,000,634 km (0.1 R)
• M6: 4,350,007 km (0.114 R)
• M7: 7,306,061 km (0.1 R)
• M8: 10,689,965 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.3

Radius: 3

Gravity: 73.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.24 AU - 6.42 AU

Year: 10448 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,067,511 km

• M1: 41,139 km (0.09 R)
• M2: 157,227 km (0.037 R)
• M3: 398,529 km (0.09 R)
• M4: 521,498 km (0.091 R)
• M5: 1,165,068 km (0.111 R)
• M6: 1,352,664 km (0.109 R)
• M7: 1,446,911 km (0.111 R)
• M8: 1,725,013 km (0.104 R)
• M9: 2,235,291 km (0.114 R)
• M10: 2,949,322 km (0.072 R)
• M11: 3,494,008 km (0.09 R)
• M12: 3,937,566 km (0.079 R)
• M13: 5,159,930 km (0.113 R)
• M14: 5,910,013 km (0.111 R)
• M15: 7,455,210 km (0.036 R)
• M16: 9,106,471 km (0.045 R)
• M17: 9,202,214 km (0.03 R)
• M18: 11,040,323 km (0.048 R)
• M19: 14,952,906 km (0.083 R)
• M20: 16,040,632 km (0.103 R)
• M21: 16,603,718 km (0.077 R)
• M22: 20,919,467 km (0.108 R)
• M23: 21,337,593 km (0.112 R)
• M24: 21,676,133 km (0.105 R)
• M25: 23,422,838 km (0.081 R)
• M26: 26,798,963 km (0.108 R)
• M27: 28,602,514 km (0.098 R)
• M28: 29,638,629 km (0.102 R)
• M29: 34,961,770 km (0.104 R)
• M30: 36,505,920 km (0.098 R)
• M31: 36,868,545 km (0.116 R)
• M32: 36,990,018 km (0.117 R)
• M33: 37,233,564 km (0.104 R)
• M34: 42,068,567 km (0.111 R)
• M35: 42,333,953 km (0.102 R)
• M36: 44,223,524 km (0.069 R)
• M37: 45,887,352 km (0.054 R)
• M38: 46,027,824 km (0.112 R)
• M39: 46,734,674 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.3

Radius: 7

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.84 AU - 8.9 AU

Year: 15885 Days

Day: 16.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,067,511 km

• M1: 87,216 km (0.12 R)
• M2: 378,632 km (0.118 R)
• M3: 838,795 km (0.099 R)
• M4: 1,916,199 km (0.083 R)
• M5: 2,296,178 km (0.111 R)
• M6: 2,794,189 km (0.052 R)
• M7: 3,258,092 km (0.104 R)
• M8: 3,549,359 km (0.112 R)
• M9: 4,063,677 km (0.089 R)
• M10: 4,561,538 km (0.093 R)
• M11: 5,641,037 km (0.064 R)
• M12: 6,381,546 km (0.091 R)
• M13: 7,634,129 km (0.075 R)
• M14: 8,101,772 km (0.036 R)
• M15: 9,249,936 km (0.089 R)
• M16: 9,619,891 km (0.096 R)
• M17: 13,474,729 km (0.116 R)
• M18: 14,649,222 km (0.109 R)
• M19: 15,518,386 km (0.086 R)
• M20: 16,964,099 km (0.025 R)
• M21: 17,359,038 km (0.066 R)
• M22: 17,841,042 km (0.118 R)
• M23: 20,209,027 km (0.105 R)
• M24: 20,742,493 km (0.118 R)
• M25: 24,042,771 km (0.043 R)
• M26: 29,340,930 km (0.107 R)
• M27: 30,139,782 km (0.113 R)
• M28: 42,026,530 km (0.032 R)
• M29: 42,749,686 km (0.093 R)
• M30: 46,643,868 km (0.105 R)
• M31: 47,888,223 km (0.064 R)
• M32: 48,202,678 km (0.103 R)
• M33: 49,795,746 km (0.059 R)
• M34: 51,753,383 km (0.12 R)
• M35: 52,084,593 km (0.118 R)
• M36: 60,463,869 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.6

Radius: 3.8

Gravity: 58.07 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.42 AU - 10.3 AU

Year: 18786 Days

Day: 23.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,067,511 km

• M1: 48,919 km (0.045 R)
• M2: 321,187 km (0.088 R)
• M3: 582,385 km (0.087 R)
• M4: 1,194,689 km (0.113 R)
• M5: 1,532,331 km (0.106 R)
• M6: 3,967,336 km (0.115 R)
• M7: 4,128,752 km (0.098 R)
• M8: 5,003,151 km (0.081 R)
• M9: 5,463,913 km (0.086 R)
• M10: 6,207,264 km (0.102 R)
• M11: 6,922,492 km (0.09 R)
• M12: 7,252,056 km (0.1 R)
• M13: 7,691,126 km (0.083 R)
• M14: 8,621,924 km (0.082 R)
• M15: 9,003,249 km (0.109 R)
• M16: 9,976,383 km (0.109 R)
• M17: 10,396,753 km (0.08 R)
• M18: 12,816,648 km (0.113 R)
• M19: 13,385,120 km (0.102 R)
• M20: 13,970,197 km (0.096 R)
• M21: 16,815,549 km (0.084 R)
• M22: 19,278,678 km (0.078 R)
• M23: 19,463,281 km (0.058 R)
• M24: 19,742,431 km (0.106 R)
• M25: 20,308,659 km (0.03 R)
• M26: 20,692,078 km (0.106 R)
• M27: 26,125,922 km (0.051 R)
• M28: 29,656,282 km (0.074 R)
• M29: 29,902,221 km (0.066 R)
• M30: 33,093,891 km (0.068 R)
• M31: 38,514,271 km (0.048 R)
• M32: 40,595,776 km (0.105 R)
• M33: 45,796,546 km (0.113 R)
• M34: 47,624,033 km (0.091 R)
• M35: 48,641,000 km (0.05 R)
• M36: 62,399,366 km (0.043 R)
• M37: 63,820,995 km (0.075 R)
• M38: 68,215,283 km (0.111 R)
• M39: 69,074,573 km (0.081 R)
• M40: 74,836,335 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 11,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit