🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.46 AU - 0.66 AU

Year: 275 Days

Day: 38 Hours

Environment

Temp: -121 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.07 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.3

Radius: 10.3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.49 AU - 1.67 AU

Year: 1303 Days

Day: 11.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 73.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,078,853 km

• M1: 128,804 km (0.104 R)
• M2: 463,155 km (0.073 R)
• M3: 918,980 km (0.102 R)
• M4: 2,478,687 km (0.075 R)
• M5: 3,745,631 km (0.118 R)
• M6: 4,246,635 km (0.049 R)
• M7: 5,001,356 km (0.105 R)
• M8: 5,514,626 km (0.107 R)
• M9: 6,864,149 km (0.113 R)
• M10: 7,663,450 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.5

Radius: 10.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.61 AU - 2.21 AU

Year: 1732 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,078,853 km

• M1: 149,747 km (0.118 R)
• M2: 505,641 km (0.084 R)
• M3: 943,065 km (0.089 R)
• M4: 1,375,403 km (0.077 R)
• M5: 2,047,097 km (0.045 R)
• M6: 2,396,558 km (0.087 R)
• M7: 2,889,932 km (0.092 R)
• M8: 3,666,494 km (0.103 R)
• M9: 5,501,761 km (0.043 R)
• M10: 6,067,390 km (0.106 R)
• M11: 7,629,342 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.2

Radius: 10.5

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.01 AU - 2.47 AU

Year: 2199 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,078,853 km

• M1: 131,048 km (0.064 R)
• M2: 565,330 km (0.12 R)
• M3: 1,060,948 km (0.066 R)
• M4: 1,496,876 km (0.111 R)
• M5: 2,190,262 km (0.04 R)
• M6: 2,814,385 km (0.039 R)
• M7: 4,353,896 km (0.09 R)
• M8: 6,501,374 km (0.105 R)
• M9: 7,096,624 km (0.086 R)
• M10: 9,666,117 km (0.098 R)
• M11: 10,253,438 km (0.109 R)
• M12: 11,378,713 km (0.087 R)
• M13: 13,919,184 km (0.114 R)
• M14: 15,150,524 km (0.06 R)
• M15: 18,433,150 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 10.6

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.08 AU - 3.74 AU

Year: 4131 Days

Day: 7.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,078,853 km

• M1: 132,544 km (0.106 R)
• M2: 1,200,074 km (0.045 R)
• M3: 1,536,819 km (0.113 R)
• M4: 2,258,329 km (0.079 R)
• M5: 3,118,068 km (0.086 R)
• M6: 3,462,293 km (0.072 R)
• M7: 4,137,728 km (0.095 R)
• M8: 4,651,596 km (0.115 R)
• M9: 6,513,491 km (0.073 R)
• M10: 7,047,556 km (0.091 R)
• M11: 7,408,685 km (0.063 R)
• M12: 7,747,524 km (0.103 R)
• M13: 8,096,835 km (0.076 R)
• M14: 9,092,858 km (0.073 R)
• M15: 9,521,456 km (0.086 R)
• M16: 11,150,427 km (0.061 R)
• M17: 12,909,099 km (0.058 R)
• M18: 13,702,267 km (0.037 R)
• M19: 14,370,371 km (0.084 R)
• M20: 15,995,154 km (0.095 R)
• M21: 17,085,573 km (0.104 R)
• M22: 20,787,522 km (0.092 R)
• M23: 22,365,181 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.3

Radius: 12.7

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.35 AU - 3.97 AU

Year: 4593 Days

Day: 8.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,078,853 km

• M1: 157,975 km (0.114 R)
• M2: 570,267 km (0.05 R)
• M3: 1,185,264 km (0.101 R)
• M4: 1,675,646 km (0.112 R)
• M5: 2,285,855 km (0.085 R)
• M6: 2,837,722 km (0.079 R)
• M7: 3,234,306 km (0.081 R)
• M8: 5,183,566 km (0.104 R)
• M9: 5,960,578 km (0.083 R)
• M10: 7,184,139 km (0.085 R)
• M11: 7,855,683 km (0.076 R)
• M12: 9,001,005 km (0.096 R)
• M13: 10,652,416 km (0.077 R)
• M14: 12,698,316 km (0.057 R)
• M15: 14,109,922 km (0.106 R)
• M16: 17,743,504 km (0.094 R)
• M17: 18,447,661 km (0.034 R)
• M18: 20,117,473 km (0.117 R)
• M19: 21,237,811 km (0.095 R)
• M20: 23,526,060 km (0.114 R)
• M21: 24,454,465 km (0.102 R)
• M22: 26,467,005 km (0.105 R)
• M23: 29,645,062 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.7

Radius: 4.1

Gravity: 30.38 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.14 AU - 10.72 AU

Year: 17506 Days

Day: 22.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,078,853 km

• M1: 51,462 km (0.083 R)
• M2: 227,838 km (0.12 R)
• M3: 360,980 km (0.082 R)
• M4: 555,606 km (0.107 R)
• M5: 3,169,081 km (0.101 R)
• M6: 3,707,185 km (0.039 R)
• M7: 4,398,626 km (0.111 R)
• M8: 4,592,206 km (0.115 R)
• M9: 4,825,429 km (0.098 R)
• M10: 5,207,651 km (0.078 R)
• M11: 6,434,504 km (0.1 R)
• M12: 6,642,145 km (0.091 R)
• M13: 8,223,395 km (0.053 R)
• M14: 9,495,575 km (0.048 R)
• M15: 13,950,749 km (0.107 R)
• M16: 15,525,716 km (0.115 R)
• M17: 21,136,085 km (0.051 R)
• M18: 27,307,147 km (0.119 R)
• M19: 30,565,538 km (0.069 R)
• M20: 33,327,114 km (0.059 R)
• M21: 33,574,849 km (0.116 R)
• M22: 37,439,410 km (0.072 R)
• M23: 51,283,197 km (0.106 R)
• M24: 60,888,278 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.9

Radius: 3.6

Gravity: 18.9 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.74 AU - 10.36 AU

Year: 17860 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,078,853 km

• M1: 46,675 km (0.078 R)
• M2: 167,849 km (0.07 R)
• M3: 541,993 km (0.07 R)
• M4: 817,253 km (0.117 R)
• M5: 1,040,603 km (0.075 R)
• M6: 1,450,501 km (0.086 R)
• M7: 1,699,731 km (0.073 R)
• M8: 2,283,312 km (0.107 R)
• M9: 2,704,430 km (0.113 R)
• M10: 3,343,961 km (0.048 R)
• M11: 3,595,136 km (0.096 R)
• M12: 4,424,207 km (0.057 R)
• M13: 5,823,845 km (0.117 R)
• M14: 7,706,534 km (0.041 R)
• M15: 8,644,663 km (0.073 R)
• M16: 12,143,158 km (0.108 R)
• M17: 13,658,884 km (0.096 R)
• M18: 14,299,013 km (0.106 R)
• M19: 14,494,837 km (0.11 R)
• M20: 15,846,603 km (0.106 R)
• M21: 18,564,647 km (0.11 R)
• M22: 19,032,888 km (0.093 R)
• M23: 20,733,517 km (0.099 R)
• M24: 21,663,567 km (0.113 R)
• M25: 21,835,604 km (0.026 R)
• M26: 22,532,880 km (0.097 R)
• M27: 23,788,605 km (0.082 R)
• M28: 25,375,090 km (0.108 R)
• M29: 26,145,519 km (0.116 R)
• M30: 27,330,334 km (0.115 R)
• M31: 27,631,924 km (0.105 R)
• M32: 28,447,232 km (0.06 R)
• M33: 35,675,203 km (0.044 R)
• M34: 39,132,858 km (0.101 R)
• M35: 44,035,629 km (0.096 R)
• M36: 46,276,755 km (0.054 R)
• M37: 49,480,842 km (0.093 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 10,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit