🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 10.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.55 AU - 0.63 AU

Year: 307 Days

Day: 6 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,681,318 km

• M1: 134,339 km (0.107 R)
• M2: 489,783 km (0.095 R)
• M3: 827,725 km (0.082 R)
• M4: 1,231,041 km (0.112 R)
• M5: 1,975,290 km (0.081 R)
• M6: 2,337,018 km (0.114 R)
• M7: 3,145,744 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 9.1

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.56 AU - 0.62 AU

Year: 307 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,681,318 km

• M1: 113,096 km (0.056 R)
• M2: 467,493 km (0.089 R)
• M3: 895,493 km (0.077 R)
• M4: 1,438,234 km (0.116 R)
• M5: 1,762,113 km (0.038 R)
• M6: 2,054,876 km (0.087 R)
• M7: 2,364,544 km (0.114 R)
• M8: 2,653,567 km (0.037 R)
• M9: 2,938,551 km (0.039 R)
• M10: 3,581,373 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.9

Radius: 15

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.53 AU - 0.81 AU

Year: 372 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,681,318 km

• M1: 186,549 km (0.115 R)
• M2: 754,721 km (0.114 R)
• M3: 1,264,102 km (0.096 R)
• M4: 1,873,863 km (0.109 R)
• M5: 2,381,149 km (0.118 R)
• M6: 2,888,136 km (0.044 R)
• M7: 3,804,573 km (0.101 R)
• M8: 4,462,504 km (0.085 R)
• M9: 5,624,431 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 8.4

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.69 AU - 0.77 AU

Year: 423 Days

Day: 10.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,681,318 km

• M1: 104,569 km (0.05 R)
• M2: 368,011 km (0.092 R)
• M3: 635,492 km (0.105 R)
• M4: 958,474 km (0.104 R)
• M5: 1,326,784 km (0.069 R)
• M6: 1,628,223 km (0.04 R)
• M7: 2,381,748 km (0.106 R)
• M8: 2,953,062 km (0.094 R)
• M9: 3,325,710 km (0.085 R)
• M10: 3,690,280 km (0.119 R)
• M11: 4,151,640 km (0.06 R)
• M12: 4,500,054 km (0.088 R)
• M13: 4,852,057 km (0.096 R)
• M14: 5,156,788 km (0.083 R)
• M15: 6,038,368 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.4

Radius: 12.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.62 AU - 0.86 AU

Year: 432 Days

Day: 6.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,681,318 km

• M1: 160,519 km (0.084 R)
• M2: 565,630 km (0.057 R)
• M3: 1,037,312 km (0.082 R)
• M4: 1,558,511 km (0.087 R)
• M5: 1,982,172 km (0.064 R)
• M6: 2,590,138 km (0.106 R)
• M7: 3,355,331 km (0.118 R)
• M8: 3,836,886 km (0.066 R)
• M9: 4,449,938 km (0.084 R)
• M10: 5,352,163 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.4

Radius: 14

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.83 AU - 0.89 AU

Year: 541 Days

Day: 13.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,681,318 km

• M1: 174,132 km (0.115 R)
• M2: 613,351 km (0.047 R)
• M3: 1,139,188 km (0.105 R)
• M4: 1,854,864 km (0.057 R)
• M5: 2,481,978 km (0.077 R)
• M6: 3,102,361 km (0.09 R)
• M7: 3,541,430 km (0.071 R)
• M8: 4,301,836 km (0.101 R)
• M9: 4,950,044 km (0.114 R)
• M10: 6,664,136 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 13

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.95 AU - 1.23 AU

Year: 772 Days

Day: 7.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,681,318 km

• M1: 161,715 km (0.113 R)
• M2: 592,557 km (0.085 R)
• M3: 1,048,831 km (0.079 R)
• M4: 1,757,476 km (0.049 R)
• M5: 2,840,864 km (0.055 R)
• M6: 3,508,968 km (0.053 R)
• M7: 4,011,018 km (0.083 R)
• M8: 4,460,261 km (0.031 R)
• M9: 6,242,719 km (0.053 R)
• M10: 7,236,049 km (0.074 R)
• M11: 8,079,332 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554

Radius: 10.9

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.69 AU - 2.23 AU

Year: 1861 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,681,318 km

• M1: 136,134 km (0.111 R)
• M2: 490,980 km (0.096 R)
• M3: 877,990 km (0.061 R)
• M4: 1,380,938 km (0.072 R)
• M5: 1,791,135 km (0.105 R)
• M6: 2,151,666 km (0.11 R)
• M7: 2,778,332 km (0.12 R)
• M8: 3,188,828 km (0.066 R)
• M9: 3,898,521 km (0.112 R)
• M10: 4,650,399 km (0.109 R)
• M11: 5,473,786 km (0.084 R)
• M12: 6,516,633 km (0.117 R)
• M13: 8,116,582 km (0.102 R)
• M14: 8,961,212 km (0.083 R)
• M15: 10,064,646 km (0.086 R)
• M16: 11,365,848 km (0.088 R)
• M17: 12,815,750 km (0.052 R)
• M18: 14,214,191 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.1

Radius: 13.8

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.34 AU - 3.4 AU

Year: 4196 Days

Day: 14.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,681,318 km

• M1: 171,589 km (0.1 R)
• M2: 788,231 km (0.072 R)
• M3: 1,268,590 km (0.104 R)
• M4: 1,895,704 km (0.028 R)
• M5: 2,554,982 km (0.032 R)
• M6: 3,741,742 km (0.056 R)
• M7: 4,411,043 km (0.044 R)
• M8: 7,810,954 km (0.053 R)
• M9: 8,789,922 km (0.108 R)
• M10: 9,722,665 km (0.106 R)
• M11: 10,991,704 km (0.061 R)
• M12: 13,278,905 km (0.049 R)
• M13: 14,342,546 km (0.065 R)
• M14: 17,065,527 km (0.086 R)
• M15: 20,739,650 km (0.064 R)
• M16: 24,911,486 km (0.117 R)
• M17: 27,026,202 km (0.075 R)
• M18: 28,558,832 km (0.102 R)
• M19: 29,170,238 km (0.108 R)
• M20: 29,701,161 km (0.034 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.1

Radius: 5.2

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.72 AU - 6.78 AU

Year: 11895 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,681,318 km

• M1: 64,626 km (0.1 R)
• M2: 230,830 km (0.117 R)
• M3: 683,812 km (0.1 R)
• M4: 1,032,225 km (0.107 R)
• M5: 1,628,373 km (0.11 R)
• M6: 1,849,628 km (0.035 R)
• M7: 4,504,541 km (0.096 R)
• M8: 4,917,581 km (0.105 R)
• M9: 5,515,973 km (0.079 R)
• M10: 7,174,115 km (0.108 R)
• M11: 7,976,858 km (0.028 R)
• M12: 13,637,491 km (0.059 R)
• M13: 16,897,528 km (0.09 R)
• M14: 18,922,485 km (0.112 R)
• M15: 19,801,373 km (0.086 R)
• M16: 20,445,691 km (0.104 R)
• M17: 22,185,963 km (0.096 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 17,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit