🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885

Radius: 8.1

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.56 AU - 0.62 AU

Year: 302 Days

Day: 10.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,690,343 km

• M1: 100,979 km (0.029 R)
• M2: 381,774 km (0.069 R)
• M3: 649,704 km (0.091 R)
• M4: 1,039,556 km (0.078 R)
• M5: 1,451,548 km (0.064 R)
• M6: 1,710,352 km (0.092 R)
• M7: 2,128,778 km (0.118 R)
• M8: 2,502,174 km (0.037 R)
• M9: 2,798,079 km (0.119 R)
• M10: 3,064,213 km (0.049 R)
• M11: 3,324,962 km (0.081 R)
• M12: 3,792,605 km (0.074 R)
• M13: 4,575,750 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.6

Radius: 11.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 14.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,690,343 km

• M1: 144,661 km (0.105 R)
• M2: 582,385 km (0.097 R)
• M3: 950,395 km (0.116 R)
• M4: 1,434,195 km (0.099 R)
• M5: 2,088,536 km (0.082 R)
• M6: 2,845,501 km (0.109 R)
• M7: 3,423,996 km (0.11 R)
• M8: 4,042,583 km (0.034 R)
• M9: 4,490,928 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 14.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.77 AU - 1.07 AU

Year: 588 Days

Day: 7.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,690,343 km

• M1: 176,675 km (0.091 R)
• M2: 670,498 km (0.105 R)
• M3: 1,147,116 km (0.102 R)
• M4: 1,638,097 km (0.064 R)
• M5: 2,186,672 km (0.1 R)
• M6: 2,637,410 km (0.075 R)
• M7: 3,224,433 km (0.085 R)
• M8: 4,924,612 km (0.088 R)
• M9: 5,564,891 km (0.085 R)
• M10: 6,319,313 km (0.042 R)
• M11: 6,783,366 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 12

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.11 AU - 1.59 AU

Year: 1046 Days

Day: 10.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,690,343 km

• M1: 149,299 km (0.109 R)
• M2: 904,918 km (0.097 R)
• M3: 1,292,675 km (0.056 R)
• M4: 1,712,896 km (0.055 R)
• M5: 2,118,904 km (0.086 R)
• M6: 3,130,485 km (0.115 R)
• M7: 3,668,140 km (0.115 R)
• M8: 4,563,483 km (0.095 R)
• M9: 4,967,996 km (0.102 R)
• M10: 5,849,426 km (0.099 R)
• M11: 6,238,830 km (0.112 R)
• M12: 7,167,084 km (0.115 R)
• M13: 7,895,925 km (0.103 R)
• M14: 8,372,843 km (0.119 R)
• M15: 9,709,351 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.5

Radius: 14.4

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.73 AU - 2.05 AU

Year: 1733 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,690,343 km

• M1: 179,069 km (0.116 R)
• M2: 1,012,030 km (0.105 R)
• M3: 1,602,642 km (0.107 R)
• M4: 2,157,351 km (0.099 R)
• M5: 2,796,134 km (0.091 R)
• M6: 3,699,406 km (0.071 R)
• M7: 5,503,855 km (0.04 R)
• M8: 6,951,364 km (0.068 R)
• M9: 7,573,542 km (0.12 R)
• M10: 8,767,931 km (0.093 R)
• M11: 9,360,040 km (0.111 R)
• M12: 9,839,052 km (0.08 R)
• M13: 10,442,530 km (0.116 R)
• M14: 11,490,612 km (0.113 R)
• M15: 12,281,387 km (0.086 R)
• M16: 13,235,372 km (0.071 R)
• M17: 15,384,944 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.7

Radius: 8.8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.12 AU - 2.18 AU

Year: 2102 Days

Day: 10 Hours

Environment

Temp: -199 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,690,343 km

• M1: 109,506 km (0.094 R)
• M2: 496,216 km (0.106 R)
• M3: 884,871 km (0.114 R)
• M4: 1,454,839 km (0.047 R)
• M5: 1,860,100 km (0.118 R)
• M6: 2,203,277 km (0.113 R)
• M7: 2,643,245 km (0.066 R)
• M8: 3,495,205 km (0.118 R)
• M9: 4,058,441 km (0.104 R)
• M10: 4,479,858 km (0.043 R)
• M11: 5,569,828 km (0.08 R)
• M12: 5,945,618 km (0.053 R)
• M13: 6,541,316 km (0.076 R)
• M14: 6,906,784 km (0.086 R)
• M15: 7,230,813 km (0.108 R)
• M16: 7,508,616 km (0.108 R)
• M17: 7,909,539 km (0.108 R)
• M18: 8,816,850 km (0.044 R)
• M19: 9,426,311 km (0.116 R)
• M20: 10,586,742 km (0.069 R)
• M21: 11,164,788 km (0.099 R)
• M22: 11,725,481 km (0.074 R)
• M23: 12,741,849 km (0.114 R)
• M24: 13,773,476 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.4

Radius: 14.8

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.58 AU - 3.54 AU

Year: 3570 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,690,343 km

• M1: 184,155 km (0.079 R)
• M2: 821,143 km (0.084 R)
• M3: 1,447,808 km (0.1 R)
• M4: 2,171,263 km (0.114 R)
• M5: 3,220,992 km (0.093 R)
• M6: 4,162,411 km (0.103 R)
• M7: 5,106,523 km (0.062 R)
• M8: 6,164,629 km (0.058 R)
• M9: 6,930,421 km (0.068 R)
• M10: 11,005,915 km (0.119 R)
• M11: 12,448,787 km (0.029 R)
• M12: 14,447,564 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.6

Radius: 13.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.04 AU - 3.68 AU

Year: 4107 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,690,343 km

• M1: 169,345 km (0.12 R)
• M2: 1,118,543 km (0.099 R)
• M3: 1,755,531 km (0.098 R)
• M4: 3,224,283 km (0.04 R)
• M5: 3,870,396 km (0.109 R)
• M6: 11,987,876 km (0.057 R)
• M7: 13,543,095 km (0.05 R)
• M8: 15,531,550 km (0.064 R)
• M9: 16,305,570 km (0.094 R)
• M10: 16,728,782 km (0.043 R)
• M11: 17,487,093 km (0.07 R)
• M12: 18,956,294 km (0.086 R)
• M13: 19,542,718 km (0.101 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: 214 - 19,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit