🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.8

Radius: 8.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.61 AU - 0.81 AU

Year: 386 Days

Day: 14.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 79.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,828,846 km

• M1: 107,112 km (0.117 R)
• M2: 461,659 km (0.074 R)
• M3: 737,667 km (0.086 R)
• M4: 1,515,127 km (0.037 R)
• M5: 1,840,503 km (0.098 R)
• M6: 2,404,337 km (0.033 R)
• M7: 3,137,965 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.6

Radius: 11.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.57 AU - 0.87 AU

Year: 394 Days

Day: 10.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,828,846 km

• M1: 143,016 km (0.078 R)
• M2: 556,205 km (0.057 R)
• M3: 1,221,167 km (0.031 R)
• M4: 1,806,095 km (0.12 R)
• M5: 2,397,306 km (0.07 R)
• M6: 3,234,156 km (0.103 R)
• M7: 4,242,745 km (0.076 R)
• M8: 4,640,975 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 9.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.16 AU - 1.56 AU

Year: 1024 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,828,846 km

• M1: 114,442 km (0.092 R)
• M2: 415,882 km (0.099 R)
• M3: 1,019,061 km (0.095 R)
• M4: 1,517,970 km (0.069 R)
• M5: 2,005,509 km (0.12 R)
• M6: 2,404,487 km (0.056 R)
• M7: 2,794,937 km (0.086 R)
• M8: 3,281,280 km (0.039 R)
• M9: 4,291,963 km (0.083 R)
• M10: 4,922,668 km (0.096 R)
• M11: 5,307,433 km (0.083 R)
• M12: 7,142,999 km (0.111 R)
• M13: 7,517,293 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 10.7

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.53 AU - 2.39 AU

Year: 1772 Days

Day: 11.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,828,846 km

• M1: 133,142 km (0.104 R)
• M2: 734,526 km (0.104 R)
• M3: 1,139,786 km (0.112 R)
• M4: 1,488,948 km (0.09 R)
• M5: 1,877,154 km (0.073 R)
• M6: 2,411,817 km (0.068 R)
• M7: 2,773,993 km (0.104 R)
• M8: 3,124,651 km (0.034 R)
• M9: 3,574,342 km (0.059 R)
• M10: 5,054,912 km (0.119 R)
• M11: 5,558,159 km (0.047 R)
• M12: 6,019,519 km (0.071 R)
• M13: 7,913,727 km (0.082 R)
• M14: 8,248,827 km (0.084 R)
• M15: 8,721,257 km (0.06 R)
• M16: 9,858,948 km (0.076 R)
• M17: 10,283,208 km (0.075 R)
• M18: 12,467,935 km (0.118 R)
• M19: 13,345,776 km (0.101 R)
• M20: 15,364,898 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 13.1

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.82 AU - 2.84 AU

Year: 3074 Days

Day: 14.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,828,846 km

• M1: 162,912 km (0.091 R)
• M2: 598,391 km (0.094 R)
• M3: 1,234,033 km (0.082 R)
• M4: 1,993,691 km (0.116 R)
• M5: 2,441,437 km (0.061 R)
• M6: 2,927,182 km (0.102 R)
• M7: 3,527,817 km (0.113 R)
• M8: 4,152,837 km (0.08 R)
• M9: 5,556,215 km (0.113 R)
• M10: 6,031,038 km (0.078 R)
• M11: 6,558,969 km (0.031 R)
• M12: 7,535,694 km (0.097 R)
• M13: 8,179,114 km (0.098 R)
• M14: 8,795,457 km (0.1 R)
• M15: 9,710,248 km (0.115 R)
• M16: 10,978,539 km (0.102 R)
• M17: 11,462,787 km (0.069 R)
• M18: 11,961,247 km (0.116 R)
• M19: 13,291,920 km (0.073 R)
• M20: 13,842,441 km (0.067 R)
• M21: 14,808,693 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.9

Radius: 14.2

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.07 AU - 3.71 AU

Year: 4030 Days

Day: 14.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,828,846 km

• M1: 177,722 km (0.096 R)
• M2: 658,679 km (0.091 R)
• M3: 1,203,515 km (0.111 R)
• M4: 1,695,093 km (0.037 R)
• M5: 2,361,103 km (0.032 R)
• M6: 3,328,104 km (0.103 R)
• M7: 5,819,058 km (0.091 R)
• M8: 7,376,671 km (0.11 R)
• M9: 8,268,274 km (0.04 R)
• M10: 8,934,434 km (0.12 R)
• M11: 10,961,634 km (0.075 R)
• M12: 12,651,342 km (0.097 R)
• M13: 14,328,783 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.6

Radius: 12.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.6 AU - 4.78 AU

Year: 5538 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,828,846 km

• M1: 163,062 km (0.105 R)
• M2: 924,216 km (0.062 R)
• M3: 4,790,872 km (0.102 R)
• M4: 6,641,846 km (0.113 R)
• M5: 7,333,736 km (0.05 R)
• M6: 7,790,160 km (0.103 R)
• M7: 8,793,961 km (0.12 R)
• M8: 9,592,963 km (0.067 R)
• M9: 10,939,943 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.2

Radius: 10.2

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.88 AU - 5.3 AU

Year: 7415 Days

Day: 5.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,828,846 km

• M1: 127,308 km (0.062 R)
• M2: 610,958 km (0.116 R)
• M3: 989,590 km (0.105 R)
• M4: 1,527,095 km (0.064 R)
• M5: 2,790,898 km (0.09 R)
• M6: 3,168,034 km (0.078 R)
• M7: 4,077,440 km (0.081 R)
• M8: 4,852,506 km (0.086 R)
• M9: 5,723,016 km (0.113 R)
• M10: 6,841,559 km (0.117 R)
• M11: 7,180,997 km (0.047 R)
• M12: 7,771,759 km (0.111 R)
• M13: 8,916,781 km (0.054 R)
• M14: 9,414,194 km (0.112 R)
• M15: 9,740,317 km (0.107 R)
• M16: 10,865,443 km (0.107 R)
• M17: 11,328,448 km (0.057 R)
• M18: 11,858,474 km (0.071 R)
• M19: 12,349,454 km (0.108 R)
• M20: 18,248,247 km (0.042 R)
• M21: 19,952,915 km (0.098 R)
• M22: 20,804,725 km (0.109 R)
• M23: 22,415,296 km (0.09 R)
• M24: 24,281,230 km (0.1 R)
• M25: 25,792,169 km (0.106 R)
• M26: 27,744,272 km (0.114 R)
• M27: 28,707,532 km (0.11 R)
• M28: 36,426,633 km (0.099 R)
• M29: 38,522,499 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.4

Radius: 7.4

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.57 AU - 7.33 AU

Year: 11830 Days

Day: 19.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,828,846 km

• M1: 93,199 km (0.087 R)
• M2: 392,844 km (0.106 R)
• M3: 1,457,532 km (0.094 R)
• M4: 1,928,915 km (0.069 R)
• M5: 3,505,377 km (0.041 R)
• M6: 4,379,328 km (0.082 R)
• M7: 7,129,087 km (0.109 R)
• M8: 8,125,109 km (0.115 R)
• M9: 13,589,770 km (0.068 R)
• M10: 20,527,521 km (0.096 R)
• M11: 21,512,174 km (0.066 R)
• M12: 24,654,926 km (0.087 R)
• M13: 33,486,287 km (0.054 R)
• M14: 35,544,304 km (0.065 R)
• M15: 36,130,579 km (0.113 R)
• M16: 41,441,752 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 12,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit