🌌 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: 99.6

Radius: 10.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.79 AU

Year: 333 Days

Day: 10.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,076,244 km

• M1: 130,599 km (0.119 R)
• M2: 840,291 km (0.076 R)
• M3: 1,967,960 km (0.091 R)
• M4: 2,290,643 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.9

Radius: 9.4

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.17 AU - 1.69 AU

Year: 1140 Days

Day: 6.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,076,244 km

• M1: 116,986 km (0.097 R)
• M2: 505,342 km (0.099 R)
• M3: 917,334 km (0.069 R)
• M4: 1,411,157 km (0.112 R)
• M5: 1,735,784 km (0.049 R)
• M6: 2,075,072 km (0.062 R)
• M7: 2,449,067 km (0.083 R)
• M8: 2,747,963 km (0.047 R)
• M9: 3,048,206 km (0.068 R)
• M10: 3,521,085 km (0.063 R)
• M11: 3,863,066 km (0.12 R)
• M12: 4,155,380 km (0.099 R)
• M13: 4,477,464 km (0.105 R)
• M14: 5,106,224 km (0.065 R)
• M15: 5,739,173 km (0.083 R)
• M16: 6,598,014 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.1

Radius: 8.7

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.71 AU - 1.81 AU

Year: 1557 Days

Day: 12.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 63.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,076,244 km

• M1: 108,159 km (0.051 R)
• M2: 404,812 km (0.12 R)
• M3: 711,188 km (0.099 R)
• M4: 1,240,765 km (0.105 R)
• M5: 1,621,043 km (0.119 R)
• M6: 1,951,953 km (0.072 R)
• M7: 2,258,629 km (0.056 R)
• M8: 2,544,061 km (0.103 R)
• M9: 3,866,656 km (0.068 R)
• M10: 4,308,269 km (0.068 R)
• M11: 4,637,235 km (0.091 R)
• M12: 4,915,786 km (0.052 R)
• M13: 7,322,068 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 10.7

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.14 AU - 2.84 AU

Year: 2620 Days

Day: 7.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,076,244 km

• M1: 133,142 km (0.111 R)
• M2: 473,926 km (0.089 R)
• M3: 919,728 km (0.095 R)
• M4: 1,411,306 km (0.108 R)
• M5: 1,755,681 km (0.12 R)
• M6: 2,511,000 km (0.112 R)
• M7: 2,889,632 km (0.098 R)
• M8: 3,387,793 km (0.048 R)
• M9: 4,782,794 km (0.093 R)
• M10: 5,146,316 km (0.097 R)
• M11: 5,482,463 km (0.117 R)
• M12: 6,554,332 km (0.081 R)
• M13: 6,950,018 km (0.12 R)
• M14: 8,203,947 km (0.072 R)
• M15: 9,173,940 km (0.114 R)
• M16: 9,602,837 km (0.103 R)
• M17: 10,824,453 km (0.071 R)
• M18: 12,949,341 km (0.117 R)
• M19: 15,662,299 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.8

Radius: 13.4

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.64 AU - 4.22 AU

Year: 4236 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,076,244 km

• M1: 188,793 km (0.117 R)
• M2: 710,739 km (0.1 R)
• M3: 1,507,647 km (0.059 R)
• M4: 2,300,516 km (0.105 R)
• M5: 3,270,658 km (0.072 R)
• M6: 3,966,288 km (0.115 R)
• M7: 5,264,199 km (0.027 R)
• M8: 6,465,770 km (0.054 R)
• M9: 8,989,037 km (0.113 R)
• M10: 10,319,261 km (0.099 R)
• M11: 11,491,211 km (0.1 R)
• M12: 11,942,548 km (0.11 R)
• M13: 14,711,903 km (0.108 R)
• M14: 15,540,526 km (0.054 R)
• M15: 16,763,040 km (0.104 R)
• M16: 17,505,195 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.2

Radius: 10.1

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.67 AU - 6.01 AU

Year: 8229 Days

Day: 10.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,076,244 km

• M1: 130,599 km (0.071 R)
• M2: 701,913 km (0.1 R)
• M3: 1,236,875 km (0.105 R)
• M4: 1,675,347 km (0.105 R)
• M5: 2,045,900 km (0.051 R)
• M6: 2,452,358 km (0.067 R)
• M7: 2,849,391 km (0.054 R)
• M8: 5,959,082 km (0.075 R)
• M9: 7,461,194 km (0.113 R)
• M10: 9,918,638 km (0.065 R)
• M11: 19,580,117 km (0.069 R)
• M12: 20,127,795 km (0.09 R)
• M13: 20,525,127 km (0.059 R)
• M14: 21,832,164 km (0.101 R)
• M15: 31,709,513 km (0.044 R)
• M16: 35,606,986 km (0.115 R)
• M17: 37,251,515 km (0.093 R)
• M18: 37,610,401 km (0.103 R)
• M19: 42,880,434 km (0.115 R)
• M20: 45,282,228 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.7

Radius: 12.8

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.33 AU - 5.75 AU

Year: 8695 Days

Day: 10.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,076,244 km

• M1: 161,865 km (0.105 R)
• M2: 1,124,378 km (0.108 R)
• M3: 1,564,345 km (0.093 R)
• M4: 2,279,872 km (0.064 R)
• M5: 2,936,008 km (0.11 R)
• M6: 4,279,995 km (0.095 R)
• M7: 4,778,605 km (0.101 R)
• M8: 5,481,565 km (0.09 R)
• M9: 6,363,145 km (0.115 R)
• M10: 8,452,579 km (0.074 R)
• M11: 9,098,542 km (0.114 R)
• M12: 9,579,948 km (0.111 R)
• M13: 10,231,148 km (0.066 R)
• M14: 10,965,225 km (0.11 R)
• M15: 12,480,202 km (0.114 R)
• M16: 13,135,740 km (0.032 R)
• M17: 13,940,128 km (0.088 R)
• M18: 14,908,774 km (0.1 R)
• M19: 15,647,339 km (0.082 R)
• M20: 18,235,681 km (0.11 R)
• M21: 21,264,739 km (0.025 R)
• M22: 21,771,876 km (0.045 R)
• M23: 22,460,774 km (0.09 R)
• M24: 26,902,933 km (0.08 R)
• M25: 27,396,905 km (0.119 R)
• M26: 29,958,470 km (0.112 R)
• M27: 36,268,508 km (0.029 R)
• M28: 38,098,090 km (0.098 R)
• M29: 42,872,805 km (0.071 R)
• M30: 44,228,760 km (0.113 R)
• M31: 49,199,897 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.9

Radius: 7.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.13 AU - 6.25 AU

Year: 10270 Days

Day: 20 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,076,244 km

• M1: 88,712 km (0.063 R)
• M2: 323,580 km (0.092 R)
• M3: 1,139,786 km (0.102 R)
• M4: 1,369,868 km (0.113 R)
• M5: 1,698,385 km (0.063 R)
• M6: 2,110,228 km (0.063 R)
• M7: 3,614,135 km (0.052 R)
• M8: 5,177,732 km (0.104 R)
• M9: 5,599,149 km (0.075 R)
• M10: 6,174,353 km (0.048 R)
• M11: 8,377,930 km (0.096 R)
• M12: 9,001,603 km (0.069 R)
• M13: 9,522,353 km (0.108 R)
• M14: 10,912,117 km (0.111 R)
• M15: 11,757,196 km (0.081 R)
• M16: 12,698,615 km (0.105 R)
• M17: 13,409,056 km (0.087 R)
• M18: 15,270,651 km (0.056 R)
• M19: 18,376,303 km (0.07 R)
• M20: 20,003,629 km (0.051 R)
• M21: 20,443,447 km (0.051 R)
• M22: 20,889,697 km (0.069 R)
• M23: 21,724,603 km (0.094 R)
• M24: 24,446,237 km (0.114 R)
• M25: 24,780,738 km (0.084 R)
• M26: 27,657,206 km (0.049 R)
• M27: 28,478,797 km (0.066 R)
• M28: 32,730,817 km (0.095 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 17,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit