🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.7

Radius: 8.2

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.75 AU - 0.83 AU

Year: 468 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,214,998 km

• M1: 102,475 km (0.073 R)
• M2: 411,394 km (0.089 R)
• M3: 760,705 km (0.109 R)
• M4: 1,171,351 km (0.036 R)
• M5: 1,687,763 km (0.113 R)
• M6: 1,957,937 km (0.058 R)
• M7: 2,239,331 km (0.106 R)
• M8: 2,587,146 km (0.062 R)
• M9: 3,114,328 km (0.086 R)
• M10: 3,439,704 km (0.118 R)
• M11: 4,525,635 km (0.074 R)
• M12: 4,959,618 km (0.107 R)
• M13: 5,437,583 km (0.036 R)
• M14: 5,841,946 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.4

Radius: 9.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.71 AU - 1.17 AU

Year: 608 Days

Day: 11.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,214,998 km

• M1: 120,576 km (0.119 R)
• M2: 445,951 km (0.079 R)
• M3: 830,119 km (0.097 R)
• M4: 1,243,158 km (0.073 R)
• M5: 1,548,936 km (0.116 R)
• M6: 2,494,844 km (0.044 R)
• M7: 2,832,486 km (0.062 R)
• M8: 3,409,335 km (0.066 R)
• M9: 4,624,968 km (0.059 R)
• M10: 5,868,575 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.6

Radius: 9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.79 AU - 1.09 AU

Year: 608 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,214,998 km

• M1: 113,096 km (0.101 R)
• M2: 706,551 km (0.094 R)
• M3: 1,082,490 km (0.12 R)
• M4: 1,578,108 km (0.034 R)
• M5: 2,314,279 km (0.092 R)
• M6: 2,965,927 km (0.053 R)
• M7: 3,472,167 km (0.043 R)
• M8: 3,975,863 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.1

Radius: 8.7

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.19 AU - 1.49 AU

Year: 1034 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,214,998 km

• M1: 108,159 km (0.072 R)
• M2: 443,109 km (0.058 R)
• M3: 735,124 km (0.104 R)
• M4: 1,029,682 km (0.116 R)
• M5: 1,304,493 km (0.09 R)
• M6: 1,602,941 km (0.052 R)
• M7: 1,967,511 km (0.078 R)
• M8: 2,284,958 km (0.12 R)
• M9: 2,864,799 km (0.06 R)
• M10: 3,332,592 km (0.104 R)
• M11: 3,834,343 km (0.099 R)
• M12: 4,403,264 km (0.095 R)
• M13: 5,202,116 km (0.118 R)
• M14: 5,899,542 km (0.086 R)
• M15: 6,542,513 km (0.113 R)
• M16: 7,429,629 km (0.099 R)
• M17: 7,733,911 km (0.11 R)
• M18: 8,179,413 km (0.105 R)
• M19: 8,614,145 km (0.095 R)
• M20: 8,893,593 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.8

Radius: 7.9

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.22 AU - 11.4 AU

Year: 18943 Days

Day: 16.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,214,998 km

• M1: 98,286 km (0.114 R)
• M2: 404,213 km (0.095 R)
• M3: 685,009 km (0.048 R)
• M4: 1,742,067 km (0.08 R)
• M5: 2,350,781 km (0.115 R)
• M6: 3,805,620 km (0.082 R)
• M7: 4,231,825 km (0.074 R)
• M8: 4,826,177 km (0.086 R)
• M9: 5,820,554 km (0.089 R)
• M10: 6,555,379 km (0.115 R)
• M11: 8,610,704 km (0.105 R)
• M12: 9,563,642 km (0.116 R)
• M13: 10,526,454 km (0.091 R)
• M14: 11,122,153 km (0.087 R)
• M15: 12,315,794 km (0.076 R)
• M16: 15,328,695 km (0.066 R)
• M17: 16,093,889 km (0.084 R)
• M18: 17,045,481 km (0.058 R)
• M19: 19,855,228 km (0.115 R)
• M20: 33,929,994 km (0.097 R)
• M21: 40,030,595 km (0.078 R)
• M22: 42,364,621 km (0.074 R)
• M23: 56,661,091 km (0.089 R)
• M24: 59,785,891 km (0.054 R)
• M25: 62,443,797 km (0.092 R)
• M26: 65,378,009 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.2

Radius: 6.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.72 AU - 10.48 AU

Year: 19835 Days

Day: 21.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,214,998 km

• M1: 105,167 km (0.088 R)
• M2: 355,594 km (0.103 R)
• M3: 606,171 km (0.12 R)
• M4: 945,309 km (0.057 R)
• M5: 1,392,307 km (0.097 R)
• M6: 2,344,199 km (0.048 R)
• M7: 3,137,217 km (0.067 R)
• M8: 3,800,833 km (0.087 R)
• M9: 5,882,487 km (0.098 R)
• M10: 6,692,859 km (0.106 R)
• M11: 11,607,149 km (0.099 R)
• M12: 14,883,492 km (0.1 R)
• M13: 17,453,733 km (0.113 R)
• M14: 20,467,981 km (0.112 R)
• M15: 25,471,730 km (0.106 R)
• M16: 29,954,879 km (0.044 R)
• M17: 30,483,259 km (0.084 R)
• M18: 31,667,775 km (0.084 R)
• M19: 33,106,757 km (0.078 R)
• M20: 43,201,322 km (0.102 R)
• M21: 44,557,277 km (0.044 R)
• M22: 45,384,254 km (0.076 R)
• M23: 48,214,945 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: 301 - 14,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit