🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.59 AU - 0.59 AU

Year: 164 Days

Day: 36.3 Hours

Environment

Temp: 177 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,040,558 km

• M1: 204,351 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.54 AU - 2.46 AU

Year: 1023 Days

Day: 16.3 Hours

Environment

Temp: -53 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,040,558 km

• M1: 147,803 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.83 AU - 2.33 AU

Year: 1085 Days

Day: 16.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 93.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.08 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545

Radius: 13.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.02 AU - 6.12 AU

Year: 5408 Days

Day: 13.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 105,040,558 km

• M1: 171,589 km (0.061 R)
• M2: 857,345 km (0.066 R)
• M3: 1,364,781 km (0.105 R)
• M4: 2,162,437 km (0.072 R)
• M5: 4,812,863 km (0.044 R)
• M6: 5,920,485 km (0.054 R)
• M7: 6,377,208 km (0.037 R)
• M8: 6,923,539 km (0.12 R)
• M9: 9,634,402 km (0.085 R)
• M10: 11,158,056 km (0.078 R)
• M11: 14,081,797 km (0.082 R)
• M12: 19,473,753 km (0.051 R)
• M13: 24,054,590 km (0.053 R)
• M14: 27,089,930 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.5

Radius: 11.4

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.01 AU - 8.07 AU

Year: 6049 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 105,040,558 km

• M1: 141,968 km (0.055 R)
• M2: 613,202 km (0.102 R)
• M3: 1,199,326 km (0.06 R)
• M4: 1,581,100 km (0.089 R)
• M5: 2,029,744 km (0.061 R)
• M6: 2,844,604 km (0.099 R)
• M7: 3,252,407 km (0.047 R)
• M8: 3,676,068 km (0.103 R)
• M9: 4,086,266 km (0.096 R)
• M10: 4,635,290 km (0.12 R)
• M11: 5,028,284 km (0.068 R)
• M12: 5,946,067 km (0.079 R)
• M13: 6,652,617 km (0.096 R)
• M14: 8,355,041 km (0.11 R)
• M15: 9,506,496 km (0.104 R)
• M16: 10,955,501 km (0.11 R)
• M17: 12,280,340 km (0.059 R)
• M18: 13,036,557 km (0.088 R)
• M19: 14,054,122 km (0.093 R)
• M20: 21,686,455 km (0.065 R)
• M21: 23,520,675 km (0.06 R)
• M22: 26,774,578 km (0.081 R)
• M23: 30,511,683 km (0.099 R)
• M24: 32,811,002 km (0.104 R)
• M25: 34,477,223 km (0.114 R)
• M26: 35,980,681 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702

Radius: 14.5

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.14 AU - 8.18 AU

Year: 8430 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 105,040,558 km

• M1: 180,565 km (0.092 R)
• M2: 650,152 km (0.118 R)
• M3: 1,206,208 km (0.08 R)
• M4: 1,853,368 km (0.102 R)
• M5: 3,118,517 km (0.088 R)
• M6: 3,739,648 km (0.112 R)
• M7: 4,198,913 km (0.036 R)
• M8: 5,580,749 km (0.093 R)
• M9: 6,682,986 km (0.111 R)
• M10: 7,286,463 km (0.081 R)
• M11: 7,844,015 km (0.057 R)
• M12: 8,516,158 km (0.083 R)
• M13: 9,596,255 km (0.109 R)
• M14: 10,514,636 km (0.045 R)
• M15: 11,280,577 km (0.094 R)
• M16: 16,818,092 km (0.051 R)
• M17: 17,371,903 km (0.116 R)
• M18: 22,168,160 km (0.049 R)
• M19: 25,999,362 km (0.105 R)
• M20: 26,928,066 km (0.087 R)
• M21: 28,655,173 km (0.114 R)
• M22: 32,756,249 km (0.051 R)
• M23: 33,512,167 km (0.1 R)
• M24: 36,768,314 km (0.086 R)
• M25: 37,584,670 km (0.108 R)
• M26: 38,652,200 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.3

Radius: 5.7

Gravity: 22.91 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 11.04 AU - 16.56 AU

Year: 18540 Days

Day: 25 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 105,040,558 km

• M1: 71,059 km (0.103 R)
• M2: 266,135 km (0.118 R)
• M3: 749,186 km (0.101 R)
• M4: 1,245,851 km (0.065 R)
• M5: 1,701,825 km (0.079 R)
• M6: 1,958,984 km (0.118 R)
• M7: 2,199,687 km (0.079 R)
• M8: 2,551,392 km (0.069 R)
• M9: 3,654,227 km (0.076 R)
• M10: 4,052,008 km (0.112 R)
• M11: 4,970,090 km (0.068 R)
• M12: 5,814,720 km (0.052 R)
• M13: 6,618,060 km (0.047 R)
• M14: 7,541,229 km (0.109 R)
• M15: 9,469,994 km (0.08 R)
• M16: 9,868,672 km (0.113 R)
• M17: 10,278,571 km (0.109 R)
• M18: 10,760,724 km (0.085 R)
• M19: 12,499,800 km (0.111 R)
• M20: 16,199,654 km (0.095 R)
• M21: 17,864,080 km (0.111 R)
• M22: 20,100,568 km (0.113 R)
• M23: 21,626,018 km (0.085 R)
• M24: 26,775,476 km (0.043 R)
• M25: 27,457,343 km (0.109 R)
• M26: 28,737,153 km (0.116 R)
• M27: 29,212,275 km (0.086 R)
• M28: 29,813,509 km (0.078 R)
• M29: 34,655,544 km (0.05 R)
• M30: 46,021,990 km (0.085 R)
• M31: 57,361,808 km (0.107 R)
• M32: 65,395,064 km (0.028 R)
• M33: 66,216,805 km (0.108 R)
• M34: 67,671,195 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.8

Radius: 3.7

Gravity: 60.98 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 18.01 AU - 19.51 AU

Year: 29386 Days

Day: 19.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 105,040,558 km

• M1: 46,076 km (0.082 R)
• M2: 366,066 km (0.052 R)
• M3: 700,118 km (0.068 R)
• M4: 861,085 km (0.099 R)
• M5: 1,032,375 km (0.107 R)
• M6: 1,786,947 km (0.112 R)
• M7: 2,277,628 km (0.118 R)
• M8: 2,451,012 km (0.046 R)
• M9: 2,606,743 km (0.119 R)
• M10: 3,204,237 km (0.105 R)
• M11: 3,853,641 km (0.096 R)
• M12: 4,136,381 km (0.106 R)
• M13: 6,566,150 km (0.105 R)
• M14: 11,369,737 km (0.095 R)
• M15: 11,730,268 km (0.076 R)
• M16: 12,626,808 km (0.103 R)
• M17: 17,230,234 km (0.039 R)
• M18: 19,286,307 km (0.094 R)
• M19: 20,006,471 km (0.102 R)
• M20: 20,958,512 km (0.034 R)
• M21: 22,051,325 km (0.111 R)
• M22: 23,181,387 km (0.074 R)
• M23: 23,296,577 km (0.077 R)
• M24: 24,587,906 km (0.085 R)
• M25: 25,312,109 km (0.068 R)
• M26: 33,793,261 km (0.086 R)
• M27: 36,213,755 km (0.092 R)
• M28: 37,466,188 km (0.097 R)
• M29: 38,424,213 km (0.12 R)
• M30: 39,398,544 km (0.041 R)
• M31: 40,222,978 km (0.039 R)
• M32: 48,166,475 km (0.117 R)
• M33: 53,401,054 km (0.043 R)
• M34: 57,093,579 km (0.109 R)
• M35: 62,722,198 km (0.025 R)
• M36: 73,814,731 km (0.107 R)
• M37: 93,229,094 km (0.026 R)
• M38: 96,168,393 km (0.083 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 20,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit