🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.63 AU - 0.67 AU

Year: 338 Days

Day: 27.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,715,286 km

• M1: 779,106 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.1

Radius: 13.7

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.03 AU - 1.13 AU

Year: 725 Days

Day: 14.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,715,286 km

• M1: 170,392 km (0.038 R)
• M2: 907,311 km (0.08 R)
• M3: 1,562,699 km (0.11 R)
• M4: 2,348,238 km (0.078 R)
• M5: 3,168,932 km (0.085 R)
• M6: 3,610,395 km (0.085 R)
• M7: 4,378,580 km (0.036 R)
• M8: 5,174,890 km (0.06 R)
• M9: 5,674,546 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.6

Radius: 9.2

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.51 AU - 1.95 AU

Year: 1469 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,715,286 km

• M1: 116,537 km (0.119 R)
• M2: 1,073,664 km (0.108 R)
• M3: 1,362,837 km (0.068 R)
• M4: 1,715,140 km (0.12 R)
• M5: 2,211,057 km (0.105 R)
• M6: 2,619,908 km (0.096 R)
• M7: 3,392,281 km (0.08 R)
• M8: 3,814,147 km (0.118 R)
• M9: 4,308,867 km (0.099 R)
• M10: 5,360,092 km (0.116 R)
• M11: 6,831,686 km (0.111 R)
• M12: 7,961,299 km (0.107 R)
• M13: 8,708,541 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.1

Radius: 10.7

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.54 AU - 6.34 AU

Year: 9347 Days

Day: 11 Hours

Environment

Temp: -213 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,715,286 km

• M1: 147,204 km (0.106 R)
• M2: 574,605 km (0.113 R)
• M3: 1,199,027 km (0.056 R)
• M4: 1,674,898 km (0.117 R)
• M5: 2,625,592 km (0.038 R)
• M6: 3,080,968 km (0.115 R)
• M7: 3,796,495 km (0.108 R)
• M8: 4,323,079 km (0.089 R)
• M9: 5,089,619 km (0.032 R)
• M10: 5,626,376 km (0.091 R)
• M11: 6,852,630 km (0.103 R)
• M12: 8,204,097 km (0.052 R)
• M13: 9,038,404 km (0.113 R)
• M14: 9,426,910 km (0.102 R)
• M15: 11,259,933 km (0.11 R)
• M16: 13,195,280 km (0.034 R)
• M17: 14,470,752 km (0.115 R)
• M18: 17,789,431 km (0.053 R)
• M19: 20,072,743 km (0.112 R)
• M20: 21,412,691 km (0.06 R)
• M21: 24,363,509 km (0.083 R)
• M22: 28,394,125 km (0.114 R)
• M23: 30,948,957 km (0.112 R)
• M24: 33,192,028 km (0.092 R)
• M25: 34,118,786 km (0.049 R)
• M26: 37,003,033 km (0.113 R)
• M27: 37,748,629 km (0.113 R)
• M28: 38,125,167 km (0.074 R)
• M29: 39,270,039 km (0.052 R)
• M30: 42,978,122 km (0.117 R)
• M31: 47,348,773 km (0.042 R)
• M32: 48,819,620 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.9

Radius: 6.7

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.92 AU - 8.1 AU

Year: 10725 Days

Day: 23.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,715,286 km

• M1: 83,326 km (0.112 R)
• M2: 583,581 km (0.095 R)
• M3: 879,187 km (0.045 R)
• M4: 1,283,999 km (0.032 R)
• M5: 2,341,655 km (0.107 R)
• M6: 7,049,650 km (0.104 R)
• M7: 7,880,217 km (0.117 R)
• M8: 13,309,573 km (0.093 R)
• M9: 15,052,987 km (0.079 R)
• M10: 19,270,151 km (0.072 R)
• M11: 21,416,581 km (0.076 R)
• M12: 22,349,623 km (0.086 R)
• M13: 22,986,610 km (0.03 R)
• M14: 26,265,796 km (0.083 R)
• M15: 26,975,039 km (0.094 R)
• M16: 28,246,771 km (0.098 R)
• M17: 34,996,028 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.1

Radius: 7.1

Gravity: 14.76 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.58 AU - 8.48 AU

Year: 13342 Days

Day: 15.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,715,286 km

• M1: 88,263 km (0.12 R)
• M2: 314,604 km (0.064 R)
• M3: 594,502 km (0.105 R)
• M4: 975,977 km (0.107 R)
• M5: 1,341,893 km (0.089 R)
• M6: 1,666,221 km (0.111 R)
• M7: 2,005,808 km (0.085 R)
• M8: 2,309,941 km (0.088 R)
• M9: 2,644,741 km (0.099 R)
• M10: 3,011,704 km (0.098 R)
• M11: 3,360,118 km (0.098 R)
• M12: 4,227,935 km (0.114 R)
• M13: 4,633,345 km (0.112 R)
• M14: 4,928,951 km (0.085 R)
• M15: 5,449,701 km (0.085 R)
• M16: 6,478,635 km (0.115 R)
• M17: 8,965,400 km (0.063 R)
• M18: 10,957,296 km (0.084 R)
• M19: 11,782,478 km (0.077 R)
• M20: 13,489,838 km (0.114 R)
• M21: 14,506,356 km (0.109 R)
• M22: 15,283,666 km (0.095 R)
• M23: 21,339,388 km (0.068 R)
• M24: 22,904,930 km (0.108 R)
• M25: 24,055,188 km (0.064 R)
• M26: 32,248,364 km (0.102 R)
• M27: 35,303,452 km (0.116 R)
• M28: 35,555,824 km (0.111 R)
• M29: 38,146,859 km (0.091 R)
• M30: 41,840,729 km (0.097 R)
• M31: 46,822,638 km (0.083 R)
• M32: 54,172,381 km (0.078 R)
• M33: 55,865,829 km (0.112 R)
• M34: 57,944,342 km (0.074 R)
• M35: 59,002,597 km (0.082 R)
• M36: 59,358,191 km (0.064 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 551 - 13,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit