🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.9

Radius: 10.5

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.69 AU - 1.09 AU

Year: 590 Days

Day: 7.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,821,943 km

• M1: 130,599 km (0.12 R)
• M2: 493,823 km (0.102 R)
• M3: 1,052,271 km (0.057 R)
• M4: 1,419,684 km (0.083 R)
• M5: 2,047,696 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 9.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.03 AU - 1.57 AU

Year: 1042 Days

Day: 8.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,821,943 km

• M1: 123,269 km (0.049 R)
• M2: 457,470 km (0.104 R)
• M3: 881,281 km (0.094 R)
• M4: 1,312,871 km (0.076 R)
• M5: 1,807,741 km (0.064 R)
• M6: 2,333,577 km (0.081 R)
• M7: 2,994,052 km (0.074 R)
• M8: 3,830,005 km (0.048 R)
• M9: 4,401,917 km (0.118 R)
• M10: 4,979,515 km (0.088 R)
• M11: 5,808,885 km (0.054 R)
• M12: 6,851,732 km (0.117 R)
• M13: 7,211,365 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.5

Radius: 14.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.21 AU - 1.45 AU

Year: 1078 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,821,943 km

• M1: 179,069 km (0.066 R)
• M2: 791,672 km (0.095 R)
• M3: 1,244,056 km (0.077 R)
• M4: 1,692,401 km (0.031 R)
• M5: 2,261,621 km (0.066 R)
• M6: 3,554,745 km (0.086 R)
• M7: 4,309,466 km (0.119 R)
• M8: 5,241,161 km (0.112 R)
• M9: 5,803,799 km (0.114 R)
• M10: 6,490,154 km (0.09 R)
• M11: 7,051,146 km (0.08 R)
• M12: 7,667,938 km (0.108 R)
• M13: 8,750,279 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 14.2

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.42 AU - 1.58 AU

Year: 1291 Days

Day: 11 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,821,943 km

• M1: 176,675 km (0.091 R)
• M2: 667,805 km (0.093 R)
• M3: 1,335,460 km (0.08 R)
• M4: 2,231,851 km (0.08 R)
• M5: 3,283,224 km (0.045 R)
• M6: 3,879,372 km (0.1 R)
• M7: 4,341,031 km (0.097 R)
• M8: 4,899,480 km (0.103 R)
• M9: 5,483,959 km (0.091 R)
• M10: 5,998,725 km (0.115 R)
• M11: 6,545,655 km (0.115 R)
• M12: 7,468,823 km (0.061 R)
• M13: 8,131,392 km (0.109 R)
• M14: 8,653,788 km (0.075 R)
• M15: 10,190,757 km (0.113 R)
• M16: 11,395,319 km (0.079 R)
• M17: 12,312,503 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 8.3

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.34 AU - 3.64 AU

Year: 3634 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,821,943 km

• M1: 103,223 km (0.062 R)
• M2: 403,166 km (0.118 R)
• M3: 759,808 km (0.105 R)
• M4: 1,248,843 km (0.095 R)
• M5: 1,538,165 km (0.115 R)
• M6: 2,283,462 km (0.059 R)
• M7: 2,564,407 km (0.08 R)
• M8: 2,868,390 km (0.104 R)
• M9: 3,160,704 km (0.117 R)
• M10: 3,646,598 km (0.059 R)
• M11: 4,378,281 km (0.104 R)
• M12: 4,697,074 km (0.08 R)
• M13: 5,964,467 km (0.057 R)
• M14: 7,638,766 km (0.1 R)
• M15: 8,548,770 km (0.092 R)
• M16: 8,867,713 km (0.083 R)
• M17: 9,342,387 km (0.055 R)
• M18: 9,680,777 km (0.057 R)
• M19: 12,328,660 km (0.11 R)
• M20: 13,199,469 km (0.06 R)
• M21: 14,757,830 km (0.104 R)
• M22: 15,114,322 km (0.06 R)
• M23: 16,653,235 km (0.048 R)
• M24: 17,888,465 km (0.111 R)
• M25: 21,306,327 km (0.07 R)
• M26: 22,091,566 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 13.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.77 AU - 4.01 AU

Year: 4387 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,821,943 km

• M1: 164,109 km (0.097 R)
• M2: 870,959 km (0.09 R)
• M3: 1,381,686 km (0.093 R)
• M4: 1,938,190 km (0.102 R)
• M5: 2,414,659 km (0.117 R)
• M6: 2,835,777 km (0.099 R)
• M7: 3,417,713 km (0.098 R)
• M8: 4,036,151 km (0.095 R)
• M9: 4,474,173 km (0.103 R)
• M10: 5,343,486 km (0.116 R)
• M11: 6,067,091 km (0.11 R)
• M12: 6,977,394 km (0.087 R)
• M13: 7,743,335 km (0.073 R)
• M14: 8,599,933 km (0.102 R)
• M15: 9,442,917 km (0.059 R)
• M16: 9,982,516 km (0.072 R)
• M17: 11,081,462 km (0.109 R)
• M18: 12,035,298 km (0.085 R)
• M19: 13,471,438 km (0.087 R)
• M20: 14,056,964 km (0.102 R)
• M21: 15,701,942 km (0.092 R)
• M22: 16,132,485 km (0.076 R)
• M23: 16,849,059 km (0.081 R)
• M24: 18,763,463 km (0.103 R)
• M25: 19,248,608 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.4

Radius: 10.1

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.1 AU - 4.26 AU

Year: 6007 Days

Day: 13.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,821,943 km

• M1: 125,662 km (0.118 R)
• M2: 497,263 km (0.117 R)
• M3: 1,044,343 km (0.065 R)
• M4: 1,846,337 km (0.074 R)
• M5: 4,595,497 km (0.091 R)
• M6: 5,287,986 km (0.105 R)
• M7: 5,755,180 km (0.109 R)
• M8: 7,286,164 km (0.111 R)
• M9: 13,431,645 km (0.098 R)
• M10: 14,008,494 km (0.069 R)
• M11: 15,149,776 km (0.087 R)
• M12: 16,810,612 km (0.092 R)
• M13: 17,548,578 km (0.05 R)
• M14: 18,029,386 km (0.114 R)
• M15: 19,233,649 km (0.119 R)
• M16: 21,332,656 km (0.057 R)
• M17: 21,722,957 km (0.109 R)
• M18: 23,497,338 km (0.069 R)
• M19: 30,076,054 km (0.055 R)
• M20: 37,220,100 km (0.118 R)
• M21: 38,243,200 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.5

Radius: 7.7

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.32 AU - 9.66 AU

Year: 20550 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,821,943 km

• M1: 98,136 km (0.1 R)
• M2: 411,245 km (0.082 R)
• M3: 759,508 km (0.065 R)
• M4: 1,713,644 km (0.09 R)
• M5: 2,273,588 km (0.103 R)
• M6: 2,529,700 km (0.069 R)
• M7: 3,125,698 km (0.114 R)
• M8: 5,405,719 km (0.11 R)
• M9: 5,786,595 km (0.055 R)
• M10: 6,559,867 km (0.117 R)
• M11: 6,949,270 km (0.103 R)
• M12: 7,262,827 km (0.074 R)
• M13: 8,210,978 km (0.098 R)
• M14: 10,408,721 km (0.087 R)
• M15: 12,506,681 km (0.056 R)
• M16: 13,105,970 km (0.116 R)
• M17: 15,772,702 km (0.084 R)
• M18: 17,683,815 km (0.056 R)
• M19: 18,100,594 km (0.036 R)
• M20: 18,953,751 km (0.104 R)
• M21: 19,744,376 km (0.088 R)
• M22: 20,740,099 km (0.047 R)
• M23: 23,425,531 km (0.086 R)
• M24: 23,928,329 km (0.065 R)
• M25: 31,256,530 km (0.11 R)
• M26: 32,111,931 km (0.041 R)
• M27: 33,487,483 km (0.111 R)
• M28: 38,263,545 km (0.064 R)
• M29: 41,249,219 km (0.093 R)
• M30: 45,156,566 km (0.116 R)
• M31: 45,466,982 km (0.072 R)
• M32: 47,679,833 km (0.045 R)
• M33: 54,571,807 km (0.054 R)
• M34: 63,644,170 km (0.117 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 12,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit