🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.6

Radius: 14.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.55 AU - 0.71 AU

Year: 345 Days

Day: 12.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,745,506 km

• M1: 185,352 km (0.037 R)
• M2: 670,198 km (0.027 R)
• M3: 1,159,683 km (0.118 R)
• M4: 1,689,110 km (0.108 R)
• M5: 2,215,694 km (0.099 R)
• M6: 2,967,124 km (0.054 R)
• M7: 3,721,097 km (0.091 R)
• M8: 4,388,902 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.3

Radius: 8.7

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.77 AU - 1.09 AU

Year: 619 Days

Day: 15 Hours

Environment

Temp: -162 °C

Axial Tilt: 165.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,745,506 km

• M1: 108,159 km (0.097 R)
• M2: 487,839 km (0.064 R)
• M3: 980,764 km (0.086 R)
• M4: 1,284,597 km (0.04 R)
• M5: 1,651,860 km (0.046 R)
• M6: 2,231,103 km (0.103 R)
• M7: 2,557,824 km (0.106 R)
• M8: 2,951,566 km (0.093 R)
• M9: 3,503,732 km (0.043 R)
• M10: 4,093,447 km (0.091 R)
• M11: 5,416,041 km (0.116 R)
• M12: 6,087,437 km (0.078 R)
• M13: 7,131,929 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.9

Radius: 12.1

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.94 AU - 1 AU

Year: 659 Days

Day: 7.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,745,506 km

• M1: 150,495 km (0.053 R)
• M2: 553,063 km (0.079 R)
• M3: 936,782 km (0.105 R)
• M4: 1,330,972 km (0.106 R)
• M5: 1,882,390 km (0.113 R)
• M6: 2,318,318 km (0.118 R)
• M7: 3,800,534 km (0.074 R)
• M8: 4,586,820 km (0.089 R)
• M9: 5,115,948 km (0.095 R)
• M10: 5,609,771 km (0.109 R)
• M11: 6,075,170 km (0.119 R)
• M12: 6,503,618 km (0.1 R)
• M13: 7,863,911 km (0.034 R)
• M14: 8,299,540 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 8

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.64 AU - 1.88 AU

Year: 1612 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 123 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,745,506 km

• M1: 99,632 km (0.051 R)
• M2: 409,449 km (0.065 R)
• M3: 802,892 km (0.112 R)
• M4: 1,604,138 km (0.106 R)
• M5: 1,933,702 km (0.116 R)
• M6: 2,186,074 km (0.1 R)
• M7: 3,049,702 km (0.092 R)
• M8: 3,575,688 km (0.074 R)
• M9: 4,545,681 km (0.117 R)
• M10: 5,017,213 km (0.085 R)
• M11: 5,475,880 km (0.045 R)
• M12: 6,155,055 km (0.115 R)
• M13: 6,758,533 km (0.101 R)
• M14: 8,621,774 km (0.108 R)
• M15: 9,120,533 km (0.114 R)
• M16: 9,409,407 km (0.109 R)
• M17: 10,312,978 km (0.039 R)
• M18: 14,252,339 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.6

Radius: 14.2

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.33 AU - 3.43 AU

Year: 4289 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,745,506 km

• M1: 176,525 km (0.047 R)
• M2: 752,926 km (0.062 R)
• M3: 1,339,799 km (0.111 R)
• M4: 1,827,488 km (0.118 R)
• M5: 2,461,932 km (0.116 R)
• M6: 3,113,431 km (0.047 R)
• M7: 3,769,418 km (0.113 R)
• M8: 4,723,553 km (0.091 R)
• M9: 5,593,614 km (0.093 R)
• M10: 6,541,616 km (0.104 R)
• M11: 7,082,262 km (0.102 R)
• M12: 7,536,142 km (0.119 R)
• M13: 8,192,279 km (0.106 R)
• M14: 10,355,763 km (0.118 R)
• M15: 11,823,917 km (0.06 R)
• M16: 12,628,753 km (0.098 R)
• M17: 13,384,222 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 12.5

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.53 AU - 5.27 AU

Year: 6371 Days

Day: 5.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,745,506 km

• M1: 155,881 km (0.105 R)
• M2: 550,371 km (0.107 R)
• M3: 970,292 km (0.101 R)
• M4: 1,953,299 km (0.082 R)
• M5: 2,875,720 km (0.094 R)
• M6: 3,538,887 km (0.118 R)
• M7: 5,201,668 km (0.107 R)
• M8: 6,603,549 km (0.087 R)
• M9: 9,358,843 km (0.066 R)
• M10: 10,669,470 km (0.118 R)
• M11: 12,639,374 km (0.038 R)
• M12: 13,195,729 km (0.07 R)
• M13: 14,477,633 km (0.081 R)
• M14: 15,904,647 km (0.051 R)
• M15: 17,835,208 km (0.08 R)
• M16: 18,892,865 km (0.057 R)
• M17: 20,141,558 km (0.057 R)
• M18: 24,473,912 km (0.085 R)
• M19: 25,779,453 km (0.063 R)
• M20: 30,965,562 km (0.106 R)
• M21: 31,671,964 km (0.105 R)
• M22: 33,537,599 km (0.088 R)
• M23: 35,038,514 km (0.039 R)
• M24: 35,805,502 km (0.113 R)
• M25: 37,714,970 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.1

Radius: 8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.7 AU - 7.64 AU

Year: 13252 Days

Day: 22.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,745,506 km

• M1: 102,026 km (0.083 R)
• M2: 376,837 km (0.082 R)
• M3: 963,261 km (0.069 R)
• M4: 1,529,788 km (0.089 R)
• M5: 2,220,631 km (0.093 R)
• M6: 2,946,031 km (0.084 R)
• M7: 4,407,004 km (0.098 R)
• M8: 4,940,470 km (0.116 R)
• M9: 6,495,839 km (0.072 R)
• M10: 7,550,205 km (0.1 R)
• M11: 10,128,673 km (0.12 R)
• M12: 11,443,340 km (0.088 R)
• M13: 12,815,451 km (0.099 R)
• M14: 15,460,042 km (0.086 R)
• M15: 18,786,949 km (0.037 R)
• M16: 25,038,495 km (0.114 R)
• M17: 30,712,443 km (0.108 R)
• M18: 32,254,049 km (0.065 R)
• M19: 33,043,926 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 11,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit