🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 13.2

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.54 AU - 0.7 AU

Year: 331 Days

Day: 9.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,153,727 km

• M1: 164,109 km (0.119 R)
• M2: 585,676 km (0.049 R)
• M3: 1,120,638 km (0.066 R)
• M4: 1,557,314 km (0.12 R)
• M5: 2,045,900 km (0.11 R)
• M6: 2,723,878 km (0.117 R)
• M7: 3,175,813 km (0.096 R)
• M8: 3,606,505 km (0.112 R)
• M9: 4,128,303 km (0.085 R)
• M10: 4,671,792 km (0.064 R)
• M11: 5,340,345 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462

Radius: 14.5

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.71 AU - 0.73 AU

Year: 414 Days

Day: 11.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,153,727 km

• M1: 180,415 km (0.111 R)
• M2: 652,696 km (0.094 R)
• M3: 1,239,119 km (0.105 R)
• M4: 2,693,210 km (0.087 R)
• M5: 3,886,104 km (0.12 R)
• M6: 4,541,642 km (0.103 R)
• M7: 5,033,520 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.2

Radius: 12.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.09 AU - 1.19 AU

Year: 826 Days

Day: 14.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,153,727 km

• M1: 151,692 km (0.034 R)
• M2: 542,143 km (0.07 R)
• M3: 938,876 km (0.104 R)
• M4: 1,708,557 km (0.038 R)
• M5: 2,207,017 km (0.074 R)
• M6: 2,740,334 km (0.067 R)
• M7: 3,316,585 km (0.075 R)
• M8: 3,816,242 km (0.113 R)
• M9: 5,504,753 km (0.078 R)
• M10: 6,273,387 km (0.074 R)
• M11: 7,620,665 km (0.096 R)
• M12: 9,407,462 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 8.6

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.14 AU - 1.62 AU

Year: 1100 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,153,727 km

• M1: 107,411 km (0.119 R)
• M2: 862,581 km (0.075 R)
• M3: 1,310,777 km (0.106 R)
• M4: 1,819,708 km (0.118 R)
• M5: 2,235,740 km (0.073 R)
• M6: 2,551,691 km (0.103 R)
• M7: 2,992,107 km (0.082 R)
• M8: 3,467,230 km (0.102 R)
• M9: 3,779,141 km (0.061 R)
• M10: 4,791,620 km (0.063 R)
• M11: 5,139,884 km (0.111 R)
• M12: 6,063,052 km (0.049 R)
• M13: 7,092,734 km (0.109 R)
• M14: 7,367,396 km (0.082 R)
• M15: 8,072,152 km (0.118 R)
• M16: 8,820,889 km (0.103 R)
• M17: 9,286,138 km (0.077 R)
• M18: 9,585,035 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.6

Radius: 14.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.33 AU - 1.97 AU

Year: 1438 Days

Day: 10.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,153,727 km

• M1: 176,675 km (0.113 R)
• M2: 866,321 km (0.08 R)
• M3: 1,552,228 km (0.06 R)
• M4: 2,346,293 km (0.082 R)
• M5: 2,921,048 km (0.089 R)
• M6: 3,398,864 km (0.109 R)
• M7: 3,992,917 km (0.079 R)
• M8: 4,602,528 km (0.059 R)
• M9: 5,061,943 km (0.094 R)
• M10: 5,715,536 km (0.077 R)
• M11: 6,977,544 km (0.118 R)
• M12: 8,046,869 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.4

Radius: 12

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.38 AU - 2.1 AU

Year: 1557 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,153,727 km

• M1: 149,299 km (0.032 R)
• M2: 531,970 km (0.053 R)
• M3: 940,971 km (0.099 R)
• M4: 1,320,351 km (0.097 R)
• M5: 1,767,050 km (0.082 R)
• M6: 2,562,462 km (0.065 R)
• M7: 3,197,206 km (0.113 R)
• M8: 3,724,239 km (0.099 R)
• M9: 4,204,448 km (0.071 R)
• M10: 4,595,946 km (0.111 R)
• M11: 5,289,781 km (0.081 R)
• M12: 6,008,150 km (0.097 R)
• M13: 6,437,196 km (0.054 R)
• M14: 7,822,622 km (0.039 R)
• M15: 8,812,811 km (0.112 R)
• M16: 9,249,337 km (0.103 R)
• M17: 10,452,254 km (0.102 R)
• M18: 11,310,347 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.7

Radius: 12.8

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3 AU - 4.28 AU

Year: 4710 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,153,727 km

• M1: 165,754 km (0.091 R)
• M2: 4,967,547 km (0.093 R)
• M3: 6,685,678 km (0.105 R)
• M4: 7,228,420 km (0.106 R)
• M5: 9,111,857 km (0.106 R)
• M6: 10,188,363 km (0.116 R)
• M7: 11,798,784 km (0.047 R)
• M8: 12,545,577 km (0.071 R)
• M9: 15,519,283 km (0.081 R)
• M10: 17,052,212 km (0.099 R)
• M11: 17,704,908 km (0.093 R)
• M12: 18,374,209 km (0.104 R)
• M13: 22,750,395 km (0.096 R)
• M14: 23,614,622 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 8.7

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.35 AU - 4.65 AU

Year: 6475 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,153,727 km

• M1: 109,206 km (0.117 R)
• M2: 603,927 km (0.106 R)
• M3: 1,058,854 km (0.113 R)
• M4: 2,759,782 km (0.117 R)
• M5: 3,151,728 km (0.085 R)
• M6: 4,868,064 km (0.118 R)
• M7: 5,164,866 km (0.093 R)
• M8: 5,860,796 km (0.1 R)
• M9: 7,832,945 km (0.066 R)
• M10: 8,707,344 km (0.087 R)
• M11: 10,898,504 km (0.086 R)
• M12: 11,512,005 km (0.109 R)
• M13: 17,829,972 km (0.091 R)
• M14: 18,252,436 km (0.092 R)
• M15: 18,681,632 km (0.053 R)
• M16: 19,264,316 km (0.062 R)
• M17: 22,198,678 km (0.098 R)
• M18: 23,772,149 km (0.117 R)
• M19: 24,978,057 km (0.043 R)
• M20: 31,522,964 km (0.079 R)
• M21: 36,243,824 km (0.066 R)
• M22: 37,035,945 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.1

Radius: 5.5

Gravity: 30.68 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.02 AU - 10.74 AU

Year: 21063 Days

Day: 18.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 110 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 87,153,727 km

• M1: 71,807 km (0.073 R)
• M2: 386,411 km (0.101 R)
• M3: 610,958 km (0.083 R)
• M4: 1,512,434 km (0.092 R)
• M5: 1,939,387 km (0.071 R)
• M6: 2,214,348 km (0.101 R)
• M7: 2,842,509 km (0.089 R)
• M8: 3,141,406 km (0.118 R)
• M9: 3,401,407 km (0.027 R)
• M10: 4,064,125 km (0.066 R)
• M11: 5,314,165 km (0.114 R)
• M12: 5,810,680 km (0.083 R)
• M13: 6,070,382 km (0.096 R)
• M14: 10,439,837 km (0.115 R)
• M15: 15,942,645 km (0.117 R)
• M16: 17,324,780 km (0.106 R)
• M17: 17,682,468 km (0.031 R)
• M18: 20,128,244 km (0.05 R)
• M19: 21,431,690 km (0.101 R)
• M20: 23,984,279 km (0.087 R)
• M21: 40,136,361 km (0.088 R)
• M22: 50,586,071 km (0.096 R)
• M23: 66,781,088 km (0.059 R)
• M24: 68,323,891 km (0.068 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: 227 - 17,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit