🌌 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: 63.5

Radius: 14.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.42 AU - 0.6 AU

Year: 247 Days

Day: 11.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,445,232 km

• M1: 180,265 km (0.095 R)
• M2: 633,996 km (0.105 R)
• M3: 1,132,755 km (0.06 R)
• M4: 1,771,239 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.6

Radius: 15

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.64 AU - 0.88 AU

Year: 449 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,445,232 km

• M1: 186,698 km (0.096 R)
• M2: 901,028 km (0.079 R)
• M3: 1,368,970 km (0.098 R)
• M4: 2,515,339 km (0.048 R)
• M5: 3,709,578 km (0.045 R)
• M6: 4,539,398 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.2

Radius: 8.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.09 AU - 1.13 AU

Year: 793 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,445,232 km

• M1: 100,829 km (0.075 R)
• M2: 427,551 km (0.097 R)
• M3: 704,008 km (0.098 R)
• M4: 990,039 km (0.09 R)
• M5: 1,246,300 km (0.095 R)
• M6: 2,526,858 km (0.094 R)
• M7: 2,980,588 km (0.066 R)
• M8: 3,603,663 km (0.056 R)
• M9: 3,939,361 km (0.116 R)
• M10: 4,565,877 km (0.081 R)
• M11: 5,601,393 km (0.12 R)
• M12: 6,183,778 km (0.067 R)
• M13: 6,489,855 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.8

Radius: 8.6

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.22 AU - 1.58 AU

Year: 1124 Days

Day: 5.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 121.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,445,232 km

• M1: 107,112 km (0.091 R)
• M2: 443,109 km (0.113 R)
• M3: 1,033,123 km (0.118 R)
• M4: 1,487,003 km (0.111 R)
• M5: 1,775,128 km (0.032 R)
• M6: 2,121,597 km (0.111 R)
• M7: 2,536,881 km (0.102 R)
• M8: 2,992,107 km (0.109 R)
• M9: 3,471,269 km (0.062 R)
• M10: 3,935,770 km (0.115 R)
• M11: 4,583,080 km (0.064 R)
• M12: 4,857,443 km (0.096 R)
• M13: 5,379,091 km (0.038 R)
• M14: 6,331,131 km (0.088 R)
• M15: 7,243,529 km (0.098 R)
• M16: 7,566,361 km (0.086 R)
• M17: 8,214,269 km (0.079 R)
• M18: 9,011,626 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.5

Radius: 8.5

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.71 AU - 4.31 AU

Year: 4460 Days

Day: 14.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,445,232 km

• M1: 106,065 km (0.046 R)
• M2: 530,923 km (0.091 R)
• M3: 1,517,371 km (0.05 R)
• M4: 1,802,206 km (0.111 R)
• M5: 2,565,155 km (0.111 R)
• M6: 3,010,657 km (0.119 R)
• M7: 3,465,584 km (0.116 R)
• M8: 3,808,463 km (0.105 R)
• M9: 5,757,573 km (0.057 R)
• M10: 6,302,109 km (0.114 R)
• M11: 7,014,046 km (0.074 R)
• M12: 7,285,715 km (0.102 R)
• M13: 7,959,654 km (0.079 R)
• M14: 8,674,283 km (0.089 R)
• M15: 8,987,690 km (0.074 R)
• M16: 14,102,442 km (0.087 R)
• M17: 14,481,672 km (0.059 R)
• M18: 17,765,046 km (0.106 R)
• M19: 19,246,664 km (0.09 R)
• M20: 19,646,389 km (0.117 R)
• M21: 20,600,524 km (0.056 R)
• M22: 21,442,611 km (0.108 R)
• M23: 21,872,256 km (0.069 R)
• M24: 22,527,345 km (0.088 R)
• M25: 23,572,436 km (0.112 R)
• M26: 24,338,377 km (0.091 R)
• M27: 25,200,061 km (0.115 R)
• M28: 26,325,934 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 10

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.6 AU - 5.18 AU

Year: 6239 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,445,232 km

• M1: 124,316 km (0.084 R)
• M2: 781,350 km (0.085 R)
• M3: 1,101,190 km (0.118 R)
• M4: 1,900,491 km (0.046 R)
• M5: 2,281,068 km (0.066 R)
• M6: 2,763,372 km (0.079 R)
• M7: 3,274,099 km (0.092 R)
• M8: 3,593,490 km (0.1 R)
• M9: 4,854,900 km (0.095 R)
• M10: 5,489,494 km (0.08 R)
• M11: 5,827,136 km (0.111 R)
• M12: 6,359,555 km (0.094 R)
• M13: 7,728,675 km (0.106 R)
• M14: 8,556,849 km (0.105 R)
• M15: 8,934,882 km (0.06 R)
• M16: 11,039,724 km (0.071 R)
• M17: 15,030,846 km (0.087 R)
• M18: 15,694,013 km (0.082 R)
• M19: 16,492,268 km (0.117 R)
• M20: 17,257,610 km (0.059 R)
• M21: 19,826,804 km (0.101 R)
• M22: 20,557,141 km (0.041 R)
• M23: 25,632,548 km (0.092 R)
• M24: 26,102,884 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.4

Radius: 9.3

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.66 AU - 5.44 AU

Year: 6583 Days

Day: 12.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,445,232 km

• M1: 115,639 km (0.083 R)
• M2: 451,636 km (0.09 R)
• M3: 822,040 km (0.049 R)
• M4: 2,448,468 km (0.088 R)
• M5: 4,684,957 km (0.029 R)
• M6: 7,075,530 km (0.026 R)
• M7: 8,814,606 km (0.116 R)
• M8: 10,728,710 km (0.114 R)
• M9: 15,537,235 km (0.112 R)
• M10: 25,882,227 km (0.115 R)
• M11: 28,301,823 km (0.063 R)
• M12: 29,019,893 km (0.077 R)
• M13: 30,868,174 km (0.068 R)
• M14: 31,725,071 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999

Radius: 10.5

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.03 AU - 6.13 AU

Year: 8940 Days

Day: 10.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,445,232 km

• M1: 130,599 km (0.075 R)
• M2: 1,066,932 km (0.118 R)
• M3: 1,873,713 km (0.091 R)
• M4: 2,617,664 km (0.038 R)
• M5: 3,448,231 km (0.069 R)
• M6: 4,870,009 km (0.061 R)
• M7: 5,255,074 km (0.08 R)
• M8: 5,729,898 km (0.095 R)
• M9: 10,100,699 km (0.052 R)
• M10: 13,013,519 km (0.082 R)
• M11: 13,821,048 km (0.082 R)
• M12: 15,399,306 km (0.095 R)
• M13: 16,875,986 km (0.098 R)
• M14: 20,190,477 km (0.114 R)
• M15: 23,190,512 km (0.105 R)
• M16: 24,937,666 km (0.103 R)
• M17: 25,411,742 km (0.108 R)
• M18: 27,569,092 km (0.074 R)
• M19: 29,633,842 km (0.063 R)
• M20: 32,133,473 km (0.116 R)
• M21: 36,565,908 km (0.105 R)
• M22: 43,542,106 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 14,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit