🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.1

Radius: 9.5

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.95 AU - 1.15 AU

Year: 717 Days

Day: 14.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,707,644 km

• M1: 124,316 km (0.113 R)
• M2: 428,000 km (0.029 R)
• M3: 823,087 km (0.056 R)
• M4: 1,193,941 km (0.028 R)
• M5: 1,683,126 km (0.06 R)
• M6: 2,031,539 km (0.085 R)
• M7: 2,427,973 km (0.088 R)
• M8: 3,044,167 km (0.085 R)
• M9: 3,638,370 km (0.108 R)
• M10: 3,950,730 km (0.103 R)
• M11: 4,459,812 km (0.094 R)
• M12: 4,759,606 km (0.101 R)
• M13: 5,073,013 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 14.4

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.04 AU - 1.52 AU

Year: 966 Days

Day: 5.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,707,644 km

• M1: 181,163 km (0.119 R)
• M2: 649,105 km (0.085 R)
• M3: 1,153,699 km (0.12 R)
• M4: 1,829,133 km (0.081 R)
• M5: 2,428,871 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.9

Radius: 14.5

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.62 AU - 1.66 AU

Year: 1401 Days

Day: 14.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,707,644 km

• M1: 181,163 km (0.111 R)
• M2: 661,223 km (0.083 R)
• M3: 1,113,756 km (0.112 R)
• M4: 1,577,958 km (0.078 R)
• M5: 2,283,761 km (0.103 R)
• M6: 2,922,095 km (0.105 R)
• M7: 3,967,784 km (0.111 R)
• M8: 4,643,967 km (0.061 R)
• M9: 5,250,287 km (0.095 R)
• M10: 6,167,621 km (0.099 R)
• M11: 6,686,576 km (0.12 R)
• M12: 7,717,904 km (0.096 R)
• M13: 8,247,480 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.9

Radius: 12.1

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.13 AU - 3.21 AU

Year: 3764 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,707,644 km

• M1: 152,141 km (0.034 R)
• M2: 539,899 km (0.045 R)
• M3: 956,828 km (0.029 R)
• M4: 1,542,055 km (0.115 R)
• M5: 3,627,748 km (0.118 R)
• M6: 4,611,654 km (0.046 R)
• M7: 5,534,224 km (0.059 R)
• M8: 6,968,718 km (0.106 R)
• M9: 7,772,806 km (0.118 R)
• M10: 8,212,474 km (0.12 R)
• M11: 9,765,899 km (0.091 R)
• M12: 12,156,921 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 12.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.7 AU - 4.94 AU

Year: 7057 Days

Day: 10.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,707,644 km

• M1: 154,385 km (0.102 R)
• M2: 582,983 km (0.106 R)
• M3: 1,143,676 km (0.114 R)
• M4: 1,793,080 km (0.109 R)
• M5: 2,390,424 km (0.047 R)
• M6: 2,865,846 km (0.032 R)
• M7: 3,900,316 km (0.08 R)
• M8: 4,834,854 km (0.047 R)
• M9: 5,629,667 km (0.042 R)
• M10: 6,950,616 km (0.092 R)
• M11: 8,070,057 km (0.106 R)
• M12: 10,881,151 km (0.109 R)
• M13: 11,549,404 km (0.069 R)
• M14: 12,339,880 km (0.057 R)
• M15: 13,166,109 km (0.116 R)
• M16: 13,618,193 km (0.089 R)
• M17: 15,310,295 km (0.051 R)
• M18: 17,557,255 km (0.083 R)
• M19: 19,950,222 km (0.111 R)
• M20: 20,748,925 km (0.079 R)
• M21: 22,552,926 km (0.037 R)
• M22: 24,685,893 km (0.029 R)
• M23: 25,529,176 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137

Radius: 4.6

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.79 AU - 6.55 AU

Year: 10220 Days

Day: 20.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,707,644 km

• M1: 66,870 km (0.04 R)
• M2: 280,945 km (0.104 R)
• M3: 585,376 km (0.093 R)
• M4: 1,833,172 km (0.042 R)
• M5: 3,255,549 km (0.111 R)
• M6: 4,117,681 km (0.07 R)
• M7: 4,988,640 km (0.097 R)
• M8: 9,751,238 km (0.063 R)
• M9: 17,550,074 km (0.065 R)
• M10: 19,865,400 km (0.112 R)
• M11: 20,474,563 km (0.115 R)
• M12: 27,182,980 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.1

Radius: 7.3

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.04 AU - 10.88 AU

Year: 20961 Days

Day: 23.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,707,644 km

• M1: 90,956 km (0.098 R)
• M2: 368,460 km (0.032 R)
• M3: 604,824 km (0.094 R)
• M4: 1,003,652 km (0.035 R)
• M5: 2,143,588 km (0.104 R)
• M6: 6,621,351 km (0.114 R)
• M7: 8,642,269 km (0.118 R)
• M8: 9,839,052 km (0.09 R)
• M9: 15,424,139 km (0.103 R)
• M10: 17,515,367 km (0.07 R)
• M11: 18,205,911 km (0.116 R)
• M12: 27,406,330 km (0.096 R)
• M13: 33,831,259 km (0.094 R)
• M14: 37,447,189 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 19,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit