🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 10

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.64 AU - 0.72 AU

Year: 387 Days

Day: 6.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,130,490 km

• M1: 124,316 km (0.079 R)
• M2: 578,345 km (0.07 R)
• M3: 905,516 km (0.102 R)
• M4: 1,343,838 km (0.08 R)
• M5: 1,750,893 km (0.096 R)
• M6: 2,486,317 km (0.107 R)
• M7: 2,984,926 km (0.048 R)
• M8: 3,328,253 km (0.073 R)
• M9: 3,768,071 km (0.111 R)
• M10: 4,285,081 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 12.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.84 AU - 0.84 AU

Year: 531 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,130,490 km

• M1: 153,039 km (0.043 R)
• M2: 620,532 km (0.073 R)
• M3: 1,070,074 km (0.062 R)
• M4: 1,520,064 km (0.117 R)
• M5: 1,905,727 km (0.045 R)
• M6: 2,641,001 km (0.093 R)
• M7: 3,434,019 km (0.064 R)
• M8: 4,124,712 km (0.101 R)
• M9: 4,921,920 km (0.042 R)
• M10: 5,474,684 km (0.106 R)
• M11: 5,907,470 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 12.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.4 AU - 1.58 AU

Year: 1255 Days

Day: 10.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,130,490 km

• M1: 153,039 km (0.045 R)
• M2: 683,961 km (0.083 R)
• M3: 1,916,798 km (0.085 R)
• M4: 2,361,702 km (0.12 R)
• M5: 3,754,907 km (0.079 R)
• M6: 4,372,297 km (0.09 R)
• M7: 5,740,968 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 11.2

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.1 AU - 3.14 AU

Year: 2927 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,130,490 km

• M1: 139,276 km (0.099 R)
• M2: 521,498 km (0.079 R)
• M3: 974,481 km (0.098 R)
• M4: 1,625,381 km (0.119 R)
• M5: 2,261,920 km (0.11 R)
• M6: 2,747,814 km (0.116 R)
• M7: 4,074,448 km (0.042 R)
• M8: 4,481,204 km (0.109 R)
• M9: 5,106,075 km (0.046 R)
• M10: 6,110,475 km (0.118 R)
• M11: 9,211,638 km (0.117 R)
• M12: 9,615,104 km (0.063 R)
• M13: 11,812,397 km (0.099 R)
• M14: 13,373,750 km (0.035 R)
• M15: 14,131,763 km (0.074 R)
• M16: 16,204,591 km (0.104 R)
• M17: 19,115,616 km (0.081 R)
• M18: 20,570,156 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.7

Radius: 12.1

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.67 AU - 3.39 AU

Year: 3641 Days

Day: 9 Hours

Environment

Temp: -207 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 18,130,490 km

• M1: 150,495 km (0.094 R)
• M2: 743,801 km (0.095 R)
• M3: 1,186,610 km (0.105 R)
• M4: 1,710,652 km (0.082 R)
• M5: 2,124,739 km (0.096 R)
• M6: 2,558,124 km (0.106 R)
• M7: 3,427,138 km (0.105 R)
• M8: 3,834,493 km (0.114 R)
• M9: 5,151,851 km (0.089 R)
• M10: 6,782,319 km (0.091 R)
• M11: 7,664,647 km (0.111 R)
• M12: 8,366,560 km (0.097 R)
• M13: 8,845,423 km (0.107 R)
• M14: 9,697,532 km (0.114 R)
• M15: 10,143,633 km (0.097 R)
• M16: 10,561,161 km (0.099 R)
• M17: 11,164,938 km (0.079 R)
• M18: 13,263,048 km (0.101 R)
• M19: 13,864,282 km (0.083 R)
• M20: 15,337,970 km (0.088 R)
• M21: 16,855,641 km (0.103 R)
• M22: 17,861,238 km (0.108 R)
• M23: 18,656,949 km (0.079 R)
• M24: 19,862,109 km (0.092 R)
• M25: 20,583,171 km (0.095 R)
• M26: 21,321,736 km (0.095 R)
• M27: 23,570,641 km (0.102 R)
• M28: 25,896,139 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.8

Radius: 13

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.08 AU - 4.28 AU

Year: 5899 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,130,490 km

• M1: 162,463 km (0.108 R)
• M2: 571,015 km (0.073 R)
• M3: 1,620,145 km (0.089 R)
• M4: 2,282,864 km (0.12 R)
• M5: 3,285,169 km (0.055 R)
• M6: 4,332,654 km (0.116 R)
• M7: 5,537,814 km (0.093 R)
• M8: 6,320,660 km (0.066 R)
• M9: 9,154,941 km (0.069 R)
• M10: 12,747,534 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.6

Radius: 12.9

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.98 AU - 5.1 AU

Year: 6677 Days

Day: 5.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 174.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,130,490 km

• M1: 160,519 km (0.089 R)
• M2: 729,140 km (0.076 R)
• M3: 1,162,974 km (0.047 R)
• M4: 2,018,973 km (0.094 R)
• M5: 2,974,305 km (0.119 R)
• M6: 5,397,192 km (0.119 R)
• M7: 6,972,158 km (0.089 R)
• M8: 7,597,627 km (0.099 R)
• M9: 8,421,911 km (0.118 R)
• M10: 10,864,097 km (0.091 R)
• M11: 13,859,046 km (0.075 R)
• M12: 20,009,164 km (0.082 R)
• M13: 22,750,246 km (0.087 R)
• M14: 30,778,864 km (0.11 R)
• M15: 32,664,994 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.5

Radius: 7.8

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.49 AU - 6.35 AU

Year: 9942 Days

Day: 19.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,130,490 km

• M1: 310,715 km (0.09 R)
• M2: 682,465 km (0.105 R)
• M3: 1,032,824 km (0.108 R)
• M4: 1,312,871 km (0.09 R)
• M5: 2,905,191 km (0.119 R)
• M6: 3,579,279 km (0.094 R)
• M7: 4,210,432 km (0.105 R)
• M8: 5,352,612 km (0.086 R)
• M9: 11,931,178 km (0.085 R)
• M10: 12,554,702 km (0.095 R)
• M11: 16,914,582 km (0.059 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 17,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit