🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.39 AU - 0.65 AU

Year: 242 Days

Day: 40.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,017,422 km

• M1: 36,651 km (0.028 R)

Asteroid Belt

Center: 0.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.6

Radius: 12.7

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.14 AU - 1.44 AU

Year: 946 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,017,422 km

• M1: 157,975 km (0.111 R)
• M2: 571,613 km (0.064 R)
• M3: 1,147,266 km (0.079 R)
• M4: 1,672,205 km (0.115 R)
• M5: 2,683,038 km (0.105 R)
• M6: 3,972,422 km (0.104 R)
• M7: 4,838,743 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.4

Radius: 13.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.61 AU - 1.73 AU

Year: 1393 Days

Day: 6.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,017,422 km

• M1: 166,652 km (0.11 R)
• M2: 600,336 km (0.088 R)
• M3: 1,092,663 km (0.053 R)
• M4: 1,557,763 km (0.088 R)
• M5: 3,263,029 km (0.078 R)
• M6: 4,228,085 km (0.026 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 13.6

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.65 AU - 2.41 AU

Year: 1867 Days

Day: 7.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,017,422 km

• M1: 170,691 km (0.098 R)
• M2: 683,961 km (0.053 R)
• M3: 1,406,669 km (0.091 R)
• M4: 1,858,454 km (0.101 R)
• M5: 2,332,680 km (0.117 R)
• M6: 2,902,647 km (0.1 R)
• M7: 3,365,952 km (0.068 R)
• M8: 4,345,968 km (0.051 R)
• M9: 5,349,620 km (0.113 R)
• M10: 6,921,445 km (0.116 R)
• M11: 7,386,694 km (0.114 R)
• M12: 8,049,413 km (0.11 R)
• M13: 8,751,625 km (0.1 R)
• M14: 9,263,848 km (0.115 R)
• M15: 10,995,144 km (0.112 R)
• M16: 11,592,339 km (0.107 R)
• M17: 14,819,464 km (0.106 R)
• M18: 15,734,854 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.7

Radius: 10.9

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.07 AU - 4.99 AU

Year: 5224 Days

Day: 10.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 26,017,422 km

• M1: 145,559 km (0.108 R)
• M2: 580,589 km (0.048 R)
• M3: 985,252 km (0.091 R)
• M4: 1,594,115 km (0.091 R)
• M5: 2,358,710 km (0.066 R)
• M6: 2,770,253 km (0.048 R)
• M7: 3,189,576 km (0.112 R)
• M8: 4,038,095 km (0.086 R)
• M9: 5,569,978 km (0.067 R)
• M10: 6,370,177 km (0.103 R)
• M11: 7,493,956 km (0.093 R)
• M12: 7,971,323 km (0.088 R)
• M13: 8,946,551 km (0.108 R)
• M14: 9,739,420 km (0.096 R)
• M15: 12,758,006 km (0.118 R)
• M16: 13,333,209 km (0.099 R)
• M17: 16,289,862 km (0.114 R)
• M18: 18,246,602 km (0.114 R)
• M19: 18,642,737 km (0.062 R)
• M20: 19,452,062 km (0.057 R)
• M21: 21,286,131 km (0.053 R)
• M22: 22,546,045 km (0.097 R)
• M23: 23,232,699 km (0.093 R)
• M24: 24,568,010 km (0.07 R)
• M25: 25,540,844 km (0.11 R)
• M26: 26,708,007 km (0.084 R)
• M27: 30,793,974 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.7

Radius: 11

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.42 AU - 5.02 AU

Year: 5597 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,017,422 km

• M1: 138,079 km (0.09 R)
• M2: 685,757 km (0.081 R)
• M3: 1,080,545 km (0.117 R)
• M4: 1,772,136 km (0.104 R)
• M5: 2,159,296 km (0.11 R)
• M6: 4,107,359 km (0.044 R)
• M7: 6,124,537 km (0.088 R)
• M8: 8,628,506 km (0.088 R)
• M9: 9,608,821 km (0.119 R)
• M10: 11,999,395 km (0.112 R)
• M11: 13,628,964 km (0.064 R)
• M12: 15,854,682 km (0.092 R)
• M13: 16,316,939 km (0.042 R)
• M14: 16,788,172 km (0.108 R)
• M15: 19,340,162 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.9

Radius: 13.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.53 AU - 6.79 AU

Year: 8694 Days

Day: 11.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,017,422 km

• M1: 167,998 km (0.119 R)
• M2: 639,830 km (0.092 R)
• M3: 1,095,954 km (0.034 R)
• M4: 1,516,025 km (0.114 R)
• M5: 2,269,848 km (0.072 R)
• M6: 2,920,300 km (0.095 R)
• M7: 4,250,674 km (0.103 R)
• M8: 5,014,371 km (0.052 R)
• M9: 5,618,447 km (0.083 R)
• M10: 7,558,881 km (0.113 R)
• M11: 9,712,941 km (0.092 R)
• M12: 10,486,512 km (0.117 R)
• M13: 11,213,108 km (0.092 R)
• M14: 11,700,947 km (0.068 R)
• M15: 12,435,921 km (0.086 R)
• M16: 16,242,738 km (0.114 R)
• M17: 17,628,015 km (0.08 R)
• M18: 19,405,387 km (0.074 R)
• M19: 21,098,087 km (0.078 R)
• M20: 23,385,738 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.7

Radius: 4.5

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.15 AU - 6.71 AU

Year: 10528 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,017,422 km

• M1: 56,249 km (0.073 R)
• M2: 237,412 km (0.054 R)
• M3: 390,750 km (0.062 R)
• M4: 664,963 km (0.088 R)
• M5: 1,345,633 km (0.071 R)
• M6: 2,405,085 km (0.037 R)
• M7: 3,700,453 km (0.114 R)
• M8: 3,973,619 km (0.046 R)
• M9: 4,560,341 km (0.076 R)
• M10: 8,153,234 km (0.107 R)
• M11: 9,978,028 km (0.114 R)
• M12: 12,256,254 km (0.095 R)
• M13: 12,862,724 km (0.065 R)
• M14: 14,245,158 km (0.047 R)
• M15: 14,633,664 km (0.104 R)
• M16: 16,805,226 km (0.071 R)
• M17: 16,990,129 km (0.109 R)
• M18: 17,679,925 km (0.076 R)
• M19: 19,249,506 km (0.065 R)
• M20: 20,206,783 km (0.082 R)
• M21: 25,962,411 km (0.108 R)
• M22: 29,838,043 km (0.099 R)
• M23: 30,291,175 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.2

Radius: 5

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.57 AU - 7.89 AU

Year: 11273 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,017,422 km

• M1: 64,028 km (0.108 R)
• M2: 420,968 km (0.119 R)
• M3: 3,839,429 km (0.104 R)
• M4: 6,866,243 km (0.102 R)
• M5: 10,837,767 km (0.116 R)
• M6: 14,061,153 km (0.027 R)
• M7: 24,791,359 km (0.053 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 16,919 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit