🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 12.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.54 AU - 0.68 AU

Year: 329 Days

Day: 10 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,882,456 km

• M1: 160,519 km (0.12 R)
• M2: 584,628 km (0.118 R)
• M3: 1,003,802 km (0.071 R)
• M4: 1,410,558 km (0.095 R)
• M5: 1,989,951 km (0.081 R)
• M6: 2,474,798 km (0.103 R)
• M7: 3,444,641 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.6

Radius: 10.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.66 AU - 1.08 AU

Year: 560 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,882,456 km

• M1: 129,402 km (0.11 R)
• M2: 532,419 km (0.086 R)
• M3: 1,024,745 km (0.046 R)
• M4: 1,442,423 km (0.1 R)
• M5: 2,217,190 km (0.082 R)
• M6: 2,749,160 km (0.061 R)
• M7: 3,570,602 km (0.076 R)
• M8: 4,191,732 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.8

Radius: 9.6

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.76 AU - 1.1 AU

Year: 619 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,882,456 km

• M1: 119,379 km (0.027 R)
• M2: 435,031 km (0.113 R)
• M3: 800,199 km (0.038 R)
• M4: 1,138,141 km (0.07 R)
• M5: 1,635,554 km (0.114 R)
• M6: 2,293,335 km (0.08 R)
• M7: 2,946,180 km (0.046 R)
• M8: 3,775,102 km (0.094 R)
• M9: 4,220,904 km (0.074 R)
• M10: 5,218,722 km (0.111 R)
• M11: 5,528,389 km (0.104 R)
• M12: 6,428,071 km (0.08 R)
• M13: 6,978,292 km (0.111 R)
• M14: 7,354,680 km (0.071 R)
• M15: 7,674,820 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.8

Radius: 13

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.01 AU - 1.21 AU

Year: 807 Days

Day: 11.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,882,456 km

• M1: 161,715 km (0.093 R)
• M2: 885,919 km (0.084 R)
• M3: 1,383,182 km (0.112 R)
• M4: 1,831,527 km (0.062 R)
• M5: 2,617,065 km (0.103 R)
• M6: 3,262,730 km (0.061 R)
• M7: 3,673,825 km (0.087 R)
• M8: 4,135,184 km (0.085 R)
• M9: 4,618,685 km (0.077 R)
• M10: 5,157,835 km (0.079 R)
• M11: 5,719,426 km (0.084 R)
• M12: 6,877,313 km (0.105 R)
• M13: 8,285,328 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.3

Radius: 14.9

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.16 AU - 1.38 AU

Year: 988 Days

Day: 11.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,882,456 km

• M1: 185,352 km (0.088 R)
• M2: 660,325 km (0.064 R)
• M3: 1,129,314 km (0.115 R)
• M4: 1,791,584 km (0.082 R)
• M5: 2,551,840 km (0.09 R)
• M6: 3,255,100 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664

Radius: 14.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.75 AU - 5.89 AU

Year: 8470 Days

Day: 12.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,882,456 km

• M1: 182,809 km (0.099 R)
• M2: 664,514 km (0.116 R)
• M3: 1,141,133 km (0.036 R)
• M4: 1,744,162 km (0.114 R)
• M5: 2,633,521 km (0.076 R)
• M6: 3,270,957 km (0.073 R)
• M7: 5,006,742 km (0.113 R)
• M8: 6,059,911 km (0.107 R)
• M9: 8,475,617 km (0.051 R)
• M10: 9,780,410 km (0.107 R)
• M11: 10,407,225 km (0.073 R)
• M12: 19,865,101 km (0.096 R)
• M13: 27,739,634 km (0.094 R)
• M14: 28,606,703 km (0.108 R)
• M15: 30,496,573 km (0.11 R)
• M16: 38,416,883 km (0.079 R)
• M17: 39,013,030 km (0.115 R)
• M18: 41,334,939 km (0.104 R)
• M19: 42,086,967 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.7

Radius: 4

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.05 AU - 9.35 AU

Year: 16208 Days

Day: 24 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 45,882,456 km

• M1: 49,816 km (0.084 R)
• M2: 354,248 km (0.111 R)
• M3: 731,982 km (0.062 R)
• M4: 902,674 km (0.108 R)
• M5: 1,156,092 km (0.036 R)
• M6: 1,312,123 km (0.036 R)
• M7: 1,455,138 km (0.105 R)
• M8: 2,315,326 km (0.119 R)
• M9: 3,325,561 km (0.109 R)
• M10: 4,143,263 km (0.045 R)
• M11: 4,628,259 km (0.066 R)
• M12: 5,310,874 km (0.037 R)
• M13: 6,310,038 km (0.12 R)
• M14: 7,758,594 km (0.115 R)
• M15: 7,969,976 km (0.102 R)
• M16: 8,762,994 km (0.097 R)
• M17: 9,462,813 km (0.093 R)
• M18: 9,752,884 km (0.113 R)
• M19: 10,658,848 km (0.1 R)
• M20: 13,772,878 km (0.1 R)
• M21: 14,082,844 km (0.117 R)
• M22: 19,540,474 km (0.117 R)
• M23: 21,716,225 km (0.085 R)
• M24: 23,253,044 km (0.064 R)
• M25: 25,692,088 km (0.114 R)
• M26: 26,732,691 km (0.117 R)
• M27: 27,312,083 km (0.112 R)
• M28: 27,801,268 km (0.09 R)
• M29: 30,859,498 km (0.093 R)
• M30: 31,926,729 km (0.066 R)
• M31: 33,239,600 km (0.086 R)
• M32: 34,021,697 km (0.081 R)
• M33: 34,360,686 km (0.11 R)
• M34: 35,506,905 km (0.112 R)
• M35: 36,559,924 km (0.075 R)
• M36: 43,451,749 km (0.069 R)
• M37: 43,850,726 km (0.031 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 19,540 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit