🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349

Radius: 11.1

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,634,631 km

• M1: 138,228 km (0.078 R)
• M2: 524,341 km (0.081 R)
• M3: 1,035,965 km (0.078 R)
• M4: 1,460,225 km (0.075 R)
• M5: 2,412,116 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.2

Radius: 10.9

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.4 AU - 0.62 AU

Year: 247 Days

Day: 5.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,634,631 km

• M1: 135,536 km (0.09 R)
• M2: 526,884 km (0.065 R)
• M3: 871,707 km (0.074 R)
• M4: 1,246,300 km (0.066 R)
• M5: 1,607,728 km (0.115 R)
• M6: 2,069,986 km (0.115 R)
• M7: 2,602,405 km (0.11 R)
• M8: 3,062,568 km (0.068 R)
• M9: 3,478,150 km (0.077 R)
• M10: 3,837,634 km (0.092 R)
• M11: 4,184,851 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.7

Radius: 13.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.66 AU

Year: 277 Days

Day: 6.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,634,631 km

• M1: 168,447 km (0.097 R)
• M2: 664,514 km (0.105 R)
• M3: 1,158,187 km (0.095 R)
• M4: 1,586,785 km (0.102 R)
• M5: 2,117,109 km (0.055 R)
• M6: 2,724,925 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.6

Radius: 10.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.61 AU - 0.65 AU

Year: 339 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,634,631 km

• M1: 131,048 km (0.109 R)
• M2: 467,045 km (0.115 R)
• M3: 1,315,115 km (0.116 R)
• M4: 2,591,185 km (0.084 R)
• M5: 3,369,991 km (0.072 R)
• M6: 4,336,244 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 14.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.93 AU - 2.25 AU

Year: 2049 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,634,631 km

• M1: 182,809 km (0.099 R)
• M2: 690,544 km (0.108 R)
• M3: 1,304,493 km (0.079 R)
• M4: 1,906,774 km (0.072 R)
• M5: 2,388,779 km (0.095 R)
• M6: 3,010,208 km (0.113 R)
• M7: 3,788,716 km (0.076 R)
• M8: 4,392,493 km (0.116 R)
• M9: 5,549,782 km (0.104 R)
• M10: 6,774,988 km (0.108 R)
• M11: 7,696,511 km (0.092 R)
• M12: 8,463,500 km (0.106 R)
• M13: 9,789,685 km (0.111 R)
• M14: 10,898,504 km (0.116 R)
• M15: 12,052,053 km (0.105 R)
• M16: 12,697,269 km (0.1 R)
• M17: 13,365,523 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.7

Radius: 13.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.57 AU - 5.99 AU

Year: 8229 Days

Day: 5.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,634,631 km

• M1: 169,195 km (0.117 R)
• M2: 700,417 km (0.103 R)
• M3: 1,230,592 km (0.069 R)
• M4: 1,852,321 km (0.077 R)
• M5: 2,678,849 km (0.101 R)
• M6: 3,242,085 km (0.105 R)
• M7: 4,082,526 km (0.081 R)
• M8: 5,034,417 km (0.077 R)
• M9: 6,062,603 km (0.109 R)
• M10: 8,285,478 km (0.11 R)
• M11: 9,535,368 km (0.103 R)
• M12: 11,106,595 km (0.089 R)
• M13: 12,192,675 km (0.112 R)
• M14: 12,789,272 km (0.109 R)
• M15: 16,523,683 km (0.077 R)
• M16: 18,007,544 km (0.063 R)
• M17: 19,359,161 km (0.1 R)
• M18: 21,007,431 km (0.102 R)
• M19: 21,472,680 km (0.046 R)
• M20: 22,828,785 km (0.046 R)
• M21: 24,071,943 km (0.086 R)
• M22: 26,965,465 km (0.09 R)
• M23: 28,732,665 km (0.09 R)
• M24: 30,181,520 km (0.088 R)
• M25: 32,188,375 km (0.11 R)
• M26: 34,176,082 km (0.077 R)
• M27: 35,692,107 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.3

Radius: 5.8

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.75 AU - 7.79 AU

Year: 14690 Days

Day: 19.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,634,631 km

• M1: 73,004 km (0.101 R)
• M2: 334,950 km (0.103 R)
• M3: 616,642 km (0.1 R)
• M4: 817,104 km (0.041 R)
• M5: 1,491,341 km (0.108 R)
• M6: 1,827,039 km (0.056 R)
• M7: 2,778,032 km (0.084 R)
• M8: 3,537,990 km (0.051 R)
• M9: 4,164,356 km (0.112 R)
• M10: 5,776,871 km (0.116 R)
• M11: 7,168,431 km (0.117 R)
• M12: 9,806,290 km (0.089 R)
• M13: 10,595,269 km (0.096 R)
• M14: 11,368,989 km (0.12 R)
• M15: 12,061,628 km (0.106 R)
• M16: 12,660,019 km (0.094 R)
• M17: 13,090,412 km (0.099 R)
• M18: 13,851,117 km (0.092 R)
• M19: 16,094,337 km (0.107 R)
• M20: 16,526,675 km (0.113 R)
• M21: 20,352,192 km (0.054 R)
• M22: 23,696,602 km (0.079 R)
• M23: 24,256,098 km (0.112 R)
• M24: 24,729,126 km (0.106 R)
• M25: 25,111,798 km (0.105 R)
• M26: 25,987,544 km (0.08 R)
• M27: 32,466,179 km (0.095 R)
• M28: 37,502,989 km (0.085 R)
• M29: 39,681,733 km (0.038 R)
• M30: 40,338,168 km (0.11 R)
• M31: 48,192,954 km (0.114 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 16,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit