🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

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: 135.2

Radius: 10.3

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.48 AU - 0.76 AU

Year: 337 Days

Day: 6 Hours

Environment

Temp: -156 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,762,473 km

• M1: 128,205 km (0.092 R)
• M2: 461,659 km (0.035 R)
• M3: 794,664 km (0.1 R)
• M4: 1,132,755 km (0.109 R)
• M5: 1,553,275 km (0.039 R)
• M6: 1,910,963 km (0.119 R)
• M7: 2,316,822 km (0.1 R)
• M8: 2,845,352 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.1

Radius: 10.2

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.74 AU - 1.16 AU

Year: 639 Days

Day: 13.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,762,473 km

• M1: 126,859 km (0.045 R)
• M2: 464,801 km (0.117 R)
• M3: 829,071 km (0.12 R)
• M4: 1,248,843 km (0.092 R)
• M5: 1,612,067 km (0.109 R)
• M6: 2,184,129 km (0.105 R)
• M7: 3,328,253 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.8

Radius: 11.7

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.9 AU - 1.24 AU

Year: 764 Days

Day: 5 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,762,473 km

• M1: 145,559 km (0.1 R)
• M2: 610,359 km (0.093 R)
• M3: 1,091,765 km (0.117 R)
• M4: 1,924,277 km (0.105 R)
• M5: 2,388,480 km (0.12 R)
• M6: 2,782,072 km (0.059 R)
• M7: 3,219,197 km (0.071 R)
• M8: 3,789,912 km (0.106 R)
• M9: 4,361,975 km (0.117 R)
• M10: 5,207,502 km (0.083 R)
• M11: 5,956,090 km (0.098 R)
• M12: 6,558,071 km (0.11 R)
• M13: 8,031,012 km (0.091 R)
• M14: 8,533,661 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.8

Radius: 9.9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.15 AU - 1.63 AU

Year: 1131 Days

Day: 11.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,762,473 km

• M1: 123,119 km (0.083 R)
• M2: 483,351 km (0.105 R)
• M3: 802,293 km (0.075 R)
• M4: 1,150,258 km (0.102 R)
• M5: 1,863,391 km (0.107 R)
• M6: 2,610,034 km (0.091 R)
• M7: 3,072,740 km (0.04 R)
• M8: 3,425,791 km (0.062 R)
• M9: 3,869,349 km (0.053 R)
• M10: 4,473,126 km (0.113 R)
• M11: 5,042,196 km (0.059 R)
• M12: 5,996,481 km (0.117 R)
• M13: 6,437,346 km (0.03 R)
• M14: 6,828,993 km (0.067 R)
• M15: 7,285,416 km (0.1 R)
• M16: 7,813,646 km (0.051 R)
• M17: 8,448,241 km (0.07 R)
• M18: 9,202,962 km (0.06 R)
• M19: 9,790,582 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.2

Radius: 10.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.02 AU - 4.08 AU

Year: 5626 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,762,473 km

• M1: 132,993 km (0.038 R)
• M2: 470,037 km (0.074 R)
• M3: 869,612 km (0.097 R)
• M4: 1,458,878 km (0.056 R)
• M5: 1,975,290 km (0.103 R)
• M6: 2,610,932 km (0.092 R)
• M7: 3,741,592 km (0.117 R)
• M8: 4,382,170 km (0.051 R)
• M9: 4,766,039 km (0.068 R)
• M10: 5,146,316 km (0.063 R)
• M11: 6,843,504 km (0.069 R)
• M12: 7,395,371 km (0.11 R)
• M13: 8,260,346 km (0.074 R)
• M14: 9,385,920 km (0.087 R)
• M15: 10,696,098 km (0.067 R)
• M16: 13,726,951 km (0.097 R)
• M17: 15,031,444 km (0.077 R)
• M18: 16,703,949 km (0.101 R)
• M19: 17,946,359 km (0.112 R)
• M20: 18,996,237 km (0.068 R)
• M21: 21,015,658 km (0.088 R)
• M22: 22,181,923 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.3

Radius: 13.3

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.74 AU - 5.14 AU

Year: 6458 Days

Day: 6.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,762,473 km

• M1: 165,455 km (0.07 R)
• M2: 825,631 km (0.113 R)
• M3: 1,863,241 km (0.08 R)
• M4: 2,610,782 km (0.047 R)
• M5: 3,128,839 km (0.095 R)
• M6: 3,861,121 km (0.053 R)
• M7: 4,321,434 km (0.082 R)
• M8: 5,051,770 km (0.117 R)
• M9: 6,544,458 km (0.047 R)
• M10: 7,202,539 km (0.052 R)
• M11: 7,665,544 km (0.112 R)
• M12: 8,272,313 km (0.108 R)
• M13: 8,823,881 km (0.063 R)
• M14: 11,178,252 km (0.077 R)
• M15: 12,500,548 km (0.114 R)
• M16: 14,953,205 km (0.106 R)
• M17: 16,031,656 km (0.105 R)
• M18: 16,958,265 km (0.085 R)
• M19: 19,137,008 km (0.088 R)
• M20: 22,135,399 km (0.104 R)
• M21: 28,854,587 km (0.073 R)
• M22: 30,725,009 km (0.071 R)
• M23: 32,361,909 km (0.114 R)
• M24: 35,808,644 km (0.066 R)
• M25: 36,368,589 km (0.12 R)
• M26: 37,735,913 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.1

Radius: 7.4

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.2 AU - 11.56 AU

Year: 21436 Days

Day: 25 Hours

Environment

Temp: -243 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,762,473 km

• M1: 92,003 km (0.094 R)
• M2: 328,517 km (0.098 R)
• M3: 578,046 km (0.113 R)
• M4: 905,965 km (0.074 R)
• M5: 1,567,337 km (0.112 R)
• M6: 2,537,479 km (0.071 R)
• M7: 3,190,324 km (0.094 R)
• M8: 3,771,512 km (0.088 R)
• M9: 4,196,968 km (0.115 R)
• M10: 5,289,482 km (0.027 R)
• M11: 5,551,876 km (0.119 R)
• M12: 5,822,798 km (0.027 R)
• M13: 7,086,002 km (0.061 R)
• M14: 7,544,969 km (0.113 R)
• M15: 8,023,532 km (0.117 R)
• M16: 8,573,304 km (0.032 R)
• M17: 10,548,744 km (0.1 R)
• M18: 11,086,399 km (0.097 R)
• M19: 11,454,859 km (0.058 R)
• M20: 16,065,315 km (0.109 R)
• M21: 19,566,504 km (0.079 R)
• M22: 22,067,481 km (0.068 R)
• M23: 24,052,046 km (0.108 R)
• M24: 25,723,204 km (0.088 R)
• M25: 28,946,590 km (0.12 R)
• M26: 29,411,390 km (0.115 R)
• M27: 29,999,310 km (0.116 R)
• M28: 32,805,167 km (0.049 R)
• M29: 43,012,829 km (0.103 R)
• M30: 45,311,699 km (0.034 R)
• M31: 49,819,831 km (0.039 R)
• M32: 52,353,570 km (0.094 R)
• M33: 55,684,666 km (0.098 R)
• M34: 58,597,336 km (0.115 R)
• M35: 66,925,001 km (0.095 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: 330 - 15,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit