🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 8.4

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.76 AU - 1 AU

Year: 542 Days

Day: 6.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,831,298 km

• M1: 104,569 km (0.081 R)
• M2: 415,882 km (0.064 R)
• M3: 719,715 km (0.066 R)
• M4: 1,169,855 km (0.117 R)
• M5: 1,605,185 km (0.091 R)
• M6: 1,991,596 km (0.117 R)
• M7: 2,363,347 km (0.058 R)
• M8: 2,844,454 km (0.099 R)
• M9: 3,712,870 km (0.104 R)
• M10: 4,321,284 km (0.076 R)
• M11: 4,762,747 km (0.108 R)
• M12: 5,315,512 km (0.08 R)
• M13: 5,650,162 km (0.063 R)
• M14: 5,927,965 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 10

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.86 AU - 1.02 AU

Year: 598 Days

Day: 5.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,831,298 km

• M1: 127,457 km (0.111 R)
• M2: 483,500 km (0.041 R)
• M3: 869,912 km (0.071 R)
• M4: 1,297,462 km (0.117 R)
• M5: 1,663,528 km (0.06 R)
• M6: 2,144,186 km (0.057 R)
• M7: 2,463,578 km (0.086 R)
• M8: 3,298,483 km (0.095 R)
• M9: 4,509,329 km (0.073 R)
• M10: 4,857,892 km (0.075 R)
• M11: 6,013,236 km (0.113 R)
• M12: 6,377,507 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.3

Radius: 10.4

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.95 AU - 1.17 AU

Year: 716 Days

Day: 14.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,831,298 km

• M1: 129,701 km (0.106 R)
• M2: 623,973 km (0.115 R)
• M3: 1,314,965 km (0.111 R)
• M4: 1,664,276 km (0.099 R)
• M5: 2,703,982 km (0.077 R)
• M6: 3,336,033 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 10.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.18 AU - 2.28 AU

Year: 2185 Days

Day: 11.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,831,298 km

• M1: 134,788 km (0.088 R)
• M2: 518,057 km (0.086 R)
• M3: 911,949 km (0.07 R)
• M4: 1,246,898 km (0.115 R)
• M5: 1,619,247 km (0.097 R)
• M6: 2,634,867 km (0.108 R)
• M7: 3,064,961 km (0.101 R)
• M8: 4,302,884 km (0.052 R)
• M9: 5,645,225 km (0.108 R)
• M10: 6,936,554 km (0.087 R)
• M11: 7,817,087 km (0.115 R)
• M12: 9,353,607 km (0.08 R)
• M13: 10,563,405 km (0.082 R)
• M14: 12,627,107 km (0.106 R)
• M15: 13,093,554 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.7

Radius: 14.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3 AU - 3.62 AU

Year: 3950 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,831,298 km

• M1: 185,352 km (0.111 R)
• M2: 662,569 km (0.074 R)
• M3: 1,462,918 km (0.094 R)
• M4: 2,043,357 km (0.109 R)
• M5: 2,968,919 km (0.091 R)
• M6: 3,439,405 km (0.102 R)
• M7: 4,114,989 km (0.099 R)
• M8: 4,777,857 km (0.12 R)
• M9: 8,426,549 km (0.095 R)
• M10: 9,029,279 km (0.089 R)
• M11: 9,905,174 km (0.109 R)
• M12: 10,749,804 km (0.073 R)
• M13: 11,688,082 km (0.075 R)
• M14: 12,343,470 km (0.071 R)
• M15: 13,574,810 km (0.077 R)
• M16: 15,882,357 km (0.032 R)
• M17: 17,218,865 km (0.068 R)
• M18: 20,181,501 km (0.057 R)
• M19: 20,785,278 km (0.077 R)
• M20: 24,212,116 km (0.09 R)
• M21: 24,970,877 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.1

Radius: 11.2

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.09 AU - 4.15 AU

Year: 5486 Days

Day: 10.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,831,298 km

• M1: 139,425 km (0.105 R)
• M2: 510,428 km (0.065 R)
• M3: 1,358,199 km (0.084 R)
• M4: 1,834,519 km (0.098 R)
• M5: 2,667,031 km (0.067 R)
• M6: 3,379,865 km (0.027 R)
• M7: 4,265,783 km (0.114 R)
• M8: 6,493,894 km (0.094 R)
• M9: 7,082,711 km (0.062 R)
• M10: 7,519,537 km (0.097 R)
• M11: 8,981,258 km (0.048 R)
• M12: 9,668,810 km (0.072 R)
• M13: 11,994,308 km (0.104 R)
• M14: 13,812,521 km (0.072 R)
• M15: 14,438,139 km (0.038 R)
• M16: 14,905,034 km (0.046 R)
• M17: 15,261,825 km (0.086 R)
• M18: 16,492,417 km (0.114 R)
• M19: 19,928,381 km (0.114 R)
• M20: 20,289,062 km (0.075 R)
• M21: 22,235,330 km (0.051 R)
• M22: 22,937,243 km (0.032 R)
• M23: 24,880,968 km (0.083 R)
• M24: 26,757,225 km (0.107 R)
• M25: 28,725,933 km (0.04 R)
• M26: 32,054,186 km (0.093 R)
• M27: 34,067,175 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.2

Radius: 7.8

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.36 AU - 9.9 AU

Year: 18097 Days

Day: 21.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,831,298 km

• M1: 96,939 km (0.086 R)
• M2: 695,032 km (0.061 R)
• M3: 1,438,982 km (0.116 R)
• M4: 2,090,929 km (0.076 R)
• M5: 3,419,059 km (0.084 R)
• M6: 3,673,974 km (0.059 R)
• M7: 4,543,287 km (0.078 R)
• M8: 8,802,788 km (0.033 R)
• M9: 11,642,903 km (0.079 R)
• M10: 12,988,237 km (0.112 R)
• M11: 14,196,090 km (0.096 R)
• M12: 17,370,258 km (0.112 R)
• M13: 19,412,867 km (0.117 R)
• M14: 25,515,862 km (0.103 R)
• M15: 25,779,902 km (0.082 R)
• M16: 26,135,047 km (0.118 R)
• M17: 28,334,286 km (0.1 R)
• M18: 29,382,368 km (0.056 R)
• M19: 37,680,861 km (0.056 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: 385 - 20,154 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit