🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.6

Radius: 13.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.43 AU - 0.67 AU

Year: 272 Days

Day: 10.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,183,358 km

• M1: 165,455 km (0.062 R)
• M2: 581,337 km (0.085 R)
• M3: 1,077,553 km (0.117 R)
• M4: 1,505,553 km (0.115 R)
• M5: 1,924,577 km (0.119 R)
• M6: 3,420,406 km (0.079 R)
• M7: 3,917,071 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 10.8

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.61 AU - 0.83 AU

Year: 407 Days

Day: 8.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,183,358 km

• M1: 134,339 km (0.115 R)
• M2: 476,020 km (0.115 R)
• M3: 850,165 km (0.059 R)
• M4: 1,539,212 km (0.119 R)
• M5: 2,130,423 km (0.117 R)
• M6: 2,512,646 km (0.107 R)
• M7: 4,182,008 km (0.038 R)
• M8: 4,569,467 km (0.056 R)
• M9: 5,180,125 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.3

Radius: 12.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.07 AU - 2.77 AU

Year: 2510 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 68.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,183,358 km

• M1: 153,039 km (0.1 R)
• M2: 710,739 km (0.1 R)
• M3: 1,209,798 km (0.112 R)
• M4: 2,086,442 km (0.03 R)
• M5: 2,551,541 km (0.068 R)
• M6: 3,477,552 km (0.077 R)
• M7: 5,458,228 km (0.112 R)
• M8: 7,784,624 km (0.063 R)
• M9: 9,391,306 km (0.119 R)
• M10: 10,393,312 km (0.079 R)
• M11: 12,570,559 km (0.117 R)
• M12: 12,967,742 km (0.109 R)
• M13: 13,913,051 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.3

Radius: 13.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.44 AU - 3.26 AU

Year: 3208 Days

Day: 12.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,183,358 km

• M1: 167,998 km (0.074 R)
• M2: 590,463 km (0.094 R)
• M3: 1,230,742 km (0.072 R)
• M4: 1,805,796 km (0.098 R)
• M5: 2,991,658 km (0.091 R)
• M6: 3,438,507 km (0.096 R)
• M7: 4,030,167 km (0.079 R)
• M8: 4,622,275 km (0.095 R)
• M9: 5,320,747 km (0.107 R)
• M10: 6,471,604 km (0.119 R)
• M11: 8,201,703 km (0.076 R)
• M12: 9,920,433 km (0.112 R)
• M13: 10,805,305 km (0.042 R)
• M14: 11,369,289 km (0.066 R)
• M15: 13,089,814 km (0.091 R)
• M16: 20,422,802 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.1

Radius: 13.2

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.71 AU - 4.43 AU

Year: 4498 Days

Day: 7.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,183,358 km

• M1: 166,502 km (0.119 R)
• M2: 581,786 km (0.071 R)
• M3: 1,128,417 km (0.119 R)
• M4: 1,978,731 km (0.089 R)
• M5: 2,394,912 km (0.104 R)
• M6: 4,122,469 km (0.063 R)
• M7: 5,765,652 km (0.075 R)
• M8: 7,060,571 km (0.03 R)
• M9: 8,257,503 km (0.086 R)
• M10: 8,794,410 km (0.113 R)
• M11: 9,316,656 km (0.12 R)
• M12: 11,527,713 km (0.1 R)
• M13: 13,425,661 km (0.077 R)
• M14: 13,918,586 km (0.067 R)
• M15: 17,539,752 km (0.054 R)
• M16: 18,977,088 km (0.087 R)
• M17: 20,169,533 km (0.08 R)
• M18: 21,813,913 km (0.111 R)
• M19: 22,289,933 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.2

Radius: 6.1

Gravity: 24.81 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.6 AU - 8.56 AU

Year: 15316 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,183,358 km

• M1: 92,601 km (0.09 R)
• M2: 299,046 km (0.094 R)
• M3: 506,538 km (0.092 R)
• M4: 1,134,849 km (0.029 R)
• M5: 2,069,687 km (0.092 R)
• M6: 2,443,980 km (0.097 R)
• M7: 2,961,589 km (0.082 R)
• M8: 3,635,527 km (0.077 R)
• M9: 4,607,315 km (0.053 R)
• M10: 4,919,227 km (0.12 R)
• M11: 5,702,222 km (0.066 R)
• M12: 6,522,467 km (0.059 R)
• M13: 6,916,059 km (0.103 R)
• M14: 8,093,095 km (0.087 R)
• M15: 8,755,215 km (0.082 R)
• M16: 9,180,223 km (0.091 R)
• M17: 9,397,888 km (0.032 R)
• M18: 9,730,743 km (0.095 R)
• M19: 13,645,869 km (0.113 R)
• M20: 13,929,656 km (0.031 R)
• M21: 16,662,660 km (0.109 R)
• M22: 21,688,550 km (0.057 R)
• M23: 24,179,953 km (0.118 R)
• M24: 27,078,112 km (0.097 R)
• M25: 30,080,093 km (0.069 R)
• M26: 35,653,212 km (0.102 R)
• M27: 38,258,758 km (0.071 R)
• M28: 41,283,178 km (0.095 R)
• M29: 42,929,203 km (0.046 R)
• M30: 48,952,163 km (0.107 R)
• M31: 55,155,389 km (0.105 R)
• M32: 59,005,439 km (0.117 R)
• M33: 61,091,731 km (0.109 R)
• M34: 66,623,412 km (0.067 R)
• M35: 66,827,014 km (0.085 R)
• M36: 67,030,916 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.9

Radius: 6

Gravity: 24.53 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.08 AU - 11.48 AU

Year: 21980 Days

Day: 19.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,183,358 km

• M1: 201,808 km (0.089 R)
• M2: 800,797 km (0.067 R)
• M3: 1,160,730 km (0.075 R)
• M4: 1,659,190 km (0.118 R)
• M5: 2,135,809 km (0.041 R)
• M6: 2,854,776 km (0.09 R)
• M7: 3,692,674 km (0.095 R)
• M8: 5,141,978 km (0.103 R)
• M9: 5,463,613 km (0.076 R)
• M10: 8,374,190 km (0.102 R)
• M11: 10,504,164 km (0.072 R)
• M12: 11,900,361 km (0.095 R)
• M13: 19,877,518 km (0.048 R)
• M14: 24,383,256 km (0.115 R)
• M15: 26,220,019 km (0.075 R)
• M16: 31,343,895 km (0.093 R)
• M17: 34,632,954 km (0.078 R)
• M18: 38,905,170 km (0.12 R)
• M19: 45,695,717 km (0.028 R)
• M20: 46,553,212 km (0.113 R)
• M21: 48,300,365 km (0.115 R)
• M22: 51,185,959 km (0.105 R)
• M23: 54,759,403 km (0.053 R)
• M24: 56,312,378 km (0.099 R)
• M25: 61,562,516 km (0.066 R)
• M26: 70,034,991 km (0.09 R)
• M27: 70,261,931 km (0.082 R)
• M28: 75,378,478 km (0.222 R)
• M29: 88,183,307 km (0.089 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 20,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit