🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 12.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 355 Days

Day: 9.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,118,071 km

• M1: 157,078 km (0.067 R)
• M2: 862,581 km (0.101 R)
• M3: 2,169,917 km (0.095 R)
• M4: 2,571,438 km (0.066 R)
• M5: 2,971,612 km (0.093 R)
• M6: 3,539,486 km (0.109 R)
• M7: 3,987,082 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.4

Radius: 12

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.99 AU - 2.15 AU

Year: 2020 Days

Day: 13.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,118,071 km

• M1: 170,242 km (0.116 R)
• M2: 569,669 km (0.091 R)
• M3: 1,186,311 km (0.072 R)
• M4: 1,742,366 km (0.093 R)
• M5: 2,557,974 km (0.051 R)
• M6: 2,952,164 km (0.087 R)
• M7: 3,484,733 km (0.1 R)
• M8: 4,272,515 km (0.064 R)
• M9: 5,249,988 km (0.114 R)
• M10: 7,988,825 km (0.109 R)
• M11: 9,357,048 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.1

Radius: 9.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.94 AU - 2.34 AU

Year: 2123 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,118,071 km

• M1: 117,135 km (0.112 R)
• M2: 408,253 km (0.102 R)
• M3: 1,079,199 km (0.101 R)
• M4: 1,413,999 km (0.108 R)
• M5: 1,931,309 km (0.093 R)
• M6: 2,240,677 km (0.112 R)
• M7: 2,544,959 km (0.078 R)
• M8: 4,525,784 km (0.037 R)
• M9: 4,935,383 km (0.081 R)
• M10: 5,412,152 km (0.101 R)
• M11: 6,952,711 km (0.087 R)
• M12: 8,444,052 km (0.1 R)
• M13: 8,885,366 km (0.038 R)
• M14: 10,072,574 km (0.099 R)
• M15: 12,381,019 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.2

Radius: 13.5

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.36 AU - 2.72 AU

Year: 2746 Days

Day: 7.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,118,071 km

• M1: 167,849 km (0.082 R)
• M2: 689,497 km (0.116 R)
• M3: 1,116,299 km (0.068 R)
• M4: 1,808,788 km (0.094 R)
• M5: 2,640,103 km (0.114 R)
• M6: 3,612,340 km (0.059 R)
• M7: 4,117,831 km (0.1 R)
• M8: 4,913,392 km (0.078 R)
• M9: 5,403,176 km (0.063 R)
• M10: 6,019,818 km (0.099 R)
• M11: 6,531,593 km (0.089 R)
• M12: 8,451,532 km (0.086 R)
• M13: 9,063,387 km (0.051 R)
• M14: 10,036,521 km (0.093 R)
• M15: 10,548,595 km (0.106 R)
• M16: 11,551,349 km (0.04 R)
• M17: 12,853,299 km (0.058 R)
• M18: 13,871,463 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.5

Radius: 15

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.89 AU - 5.65 AU

Year: 7066 Days

Day: 7.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,118,071 km

• M1: 190,288 km (0.072 R)
• M2: 1,092,214 km (0.067 R)
• M3: 1,602,044 km (0.1 R)
• M4: 2,075,072 km (0.105 R)
• M5: 2,861,358 km (0.114 R)
• M6: 3,335,883 km (0.092 R)
• M7: 3,980,351 km (0.08 R)
• M8: 4,787,281 km (0.091 R)
• M9: 5,731,394 km (0.084 R)
• M10: 8,339,333 km (0.104 R)
• M11: 9,533,573 km (0.083 R)
• M12: 10,698,941 km (0.104 R)
• M13: 11,267,861 km (0.039 R)
• M14: 15,533,345 km (0.096 R)
• M15: 18,866,386 km (0.11 R)
• M16: 19,769,059 km (0.114 R)
• M17: 21,287,777 km (0.093 R)
• M18: 22,113,707 km (0.099 R)
• M19: 23,670,123 km (0.097 R)
• M20: 24,312,646 km (0.072 R)
• M21: 26,140,134 km (0.119 R)
• M22: 28,506,024 km (0.119 R)
• M23: 29,509,826 km (0.109 R)
• M24: 32,465,431 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.5

Radius: 8.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.72 AU - 6.14 AU

Year: 8582 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,118,071 km

• M1: 103,223 km (0.111 R)
• M2: 559,047 km (0.118 R)
• M3: 882,777 km (0.119 R)
• M4: 1,155,793 km (0.033 R)
• M5: 2,024,957 km (0.053 R)
• M6: 3,020,979 km (0.095 R)
• M7: 3,731,270 km (0.11 R)
• M8: 4,883,772 km (0.077 R)
• M9: 5,680,381 km (0.096 R)
• M10: 7,376,970 km (0.12 R)
• M11: 8,390,496 km (0.081 R)
• M12: 9,034,664 km (0.117 R)
• M13: 10,307,144 km (0.043 R)
• M14: 11,205,778 km (0.113 R)
• M15: 13,024,589 km (0.062 R)
• M16: 14,215,238 km (0.094 R)
• M17: 15,828,951 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.8

Radius: 3.9

Gravity: 34.77 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.24 AU - 6.26 AU

Year: 10598 Days

Day: 22.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,118,071 km

• M1: 48,470 km (0.049 R)
• M2: 211,980 km (0.105 R)
• M3: 387,010 km (0.107 R)
• M4: 987,645 km (0.053 R)
• M5: 1,162,076 km (0.102 R)
• M6: 1,382,584 km (0.107 R)
• M7: 1,907,074 km (0.106 R)
• M8: 2,841,013 km (0.086 R)
• M9: 3,036,837 km (0.08 R)
• M10: 3,288,311 km (0.105 R)
• M11: 3,603,214 km (0.097 R)
• M12: 3,937,865 km (0.114 R)
• M13: 7,237,994 km (0.053 R)
• M14: 11,356,722 km (0.102 R)
• M15: 14,852,675 km (0.091 R)
• M16: 15,309,846 km (0.063 R)
• M17: 15,979,147 km (0.114 R)
• M18: 16,737,608 km (0.097 R)
• M19: 25,222,650 km (0.088 R)
• M20: 32,344,406 km (0.091 R)
• M21: 33,001,141 km (0.091 R)
• M22: 42,627,614 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.2

Radius: 6.1

Gravity: 20.78 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.82 AU - 7.22 AU

Year: 11292 Days

Day: 15.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,118,071 km

• M1: 75,846 km (0.112 R)
• M2: 429,196 km (0.105 R)
• M3: 851,361 km (0.115 R)
• M4: 1,175,390 km (0.079 R)
• M5: 2,181,287 km (0.095 R)
• M6: 2,639,505 km (0.095 R)
• M7: 3,306,263 km (0.105 R)
• M8: 4,585,923 km (0.09 R)
• M9: 5,000,458 km (0.071 R)
• M10: 5,650,910 km (0.099 R)
• M11: 6,241,223 km (0.084 R)
• M12: 7,851,345 km (0.108 R)
• M13: 9,515,771 km (0.103 R)
• M14: 10,242,966 km (0.104 R)
• M15: 11,118,712 km (0.061 R)
• M16: 15,331,987 km (0.074 R)
• M17: 17,143,467 km (0.031 R)
• M18: 17,829,224 km (0.099 R)
• M19: 24,651,934 km (0.067 R)
• M20: 24,844,167 km (0.112 R)
• M21: 25,037,448 km (0.085 R)
• M22: 28,057,978 km (0.118 R)
• M23: 36,404,193 km (0.074 R)
• M24: 38,173,936 km (0.079 R)
• M25: 40,132,920 km (0.038 R)
• M26: 45,972,772 km (0.046 R)
• M27: 46,264,189 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 12,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit