🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.1

Radius: 12.7

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.81 AU - 1.09 AU

Year: 589 Days

Day: 6.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,395,741 km

• M1: 157,975 km (0.086 R)
• M2: 1,080,845 km (0.052 R)
• M3: 1,509,293 km (0.093 R)
• M4: 2,282,415 km (0.066 R)
• M5: 2,771,600 km (0.102 R)
• M6: 3,369,991 km (0.07 R)
• M7: 3,791,857 km (0.06 R)
• M8: 4,661,320 km (0.045 R)
• M9: 5,640,887 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.1

Radius: 13

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.22 AU - 1.62 AU

Year: 1076 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,395,741 km

• M1: 161,715 km (0.086 R)
• M2: 587,920 km (0.078 R)
• M3: 1,038,359 km (0.073 R)
• M4: 2,975,352 km (0.117 R)
• M5: 3,464,238 km (0.079 R)
• M6: 4,621,677 km (0.082 R)
• M7: 5,158,284 km (0.072 R)
• M8: 5,868,575 km (0.068 R)
• M9: 6,438,244 km (0.104 R)
• M10: 7,462,241 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.8

Radius: 12.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.14 AU - 1.76 AU

Year: 1110 Days

Day: 7.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,395,741 km

• M1: 151,991 km (0.115 R)
• M2: 543,489 km (0.063 R)
• M3: 1,082,640 km (0.094 R)
• M4: 1,649,167 km (0.054 R)
• M5: 2,075,670 km (0.084 R)
• M6: 2,455,799 km (0.119 R)
• M7: 3,100,865 km (0.097 R)
• M8: 4,174,229 km (0.112 R)
• M9: 4,674,933 km (0.094 R)
• M10: 5,195,684 km (0.042 R)
• M11: 5,841,049 km (0.095 R)
• M12: 6,353,870 km (0.078 R)
• M13: 7,242,033 km (0.079 R)
• M14: 10,632,968 km (0.116 R)
• M15: 11,536,539 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.8

Radius: 14.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.47 AU - 2.11 AU

Year: 1523 Days

Day: 9.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,395,741 km

• M1: 175,329 km (0.115 R)
• M2: 625,319 km (0.114 R)
• M3: 1,094,458 km (0.082 R)
• M4: 1,565,093 km (0.116 R)
• M5: 2,185,326 km (0.042 R)
• M6: 2,626,041 km (0.119 R)
• M7: 3,246,723 km (0.108 R)
• M8: 3,946,841 km (0.062 R)
• M9: 4,805,532 km (0.072 R)
• M10: 5,606,180 km (0.072 R)
• M11: 6,203,973 km (0.111 R)
• M12: 6,667,427 km (0.111 R)
• M13: 7,971,173 km (0.082 R)
• M14: 8,941,016 km (0.087 R)
• M15: 10,120,296 km (0.032 R)
• M16: 11,079,817 km (0.104 R)
• M17: 12,061,777 km (0.084 R)
• M18: 12,864,968 km (0.119 R)
• M19: 13,339,792 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 8.2

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.54 AU - 2.14 AU

Year: 1587 Days

Day: 6.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,395,741 km

• M1: 102,026 km (0.102 R)
• M2: 400,623 km (0.108 R)
• M3: 844,330 km (0.112 R)
• M4: 1,117,197 km (0.057 R)
• M5: 1,373,159 km (0.084 R)
• M6: 1,717,384 km (0.083 R)
• M7: 2,141,494 km (0.059 R)
• M8: 2,555,580 km (0.081 R)
• M9: 2,823,361 km (0.096 R)
• M10: 3,184,939 km (0.053 R)
• M11: 3,675,769 km (0.091 R)
• M12: 4,252,918 km (0.05 R)
• M13: 8,194,971 km (0.106 R)
• M14: 8,484,892 km (0.084 R)
• M15: 8,872,201 km (0.074 R)
• M16: 9,271,328 km (0.1 R)
• M17: 9,682,273 km (0.065 R)
• M18: 10,405,429 km (0.102 R)
• M19: 11,093,580 km (0.095 R)
• M20: 11,702,144 km (0.086 R)
• M21: 12,033,204 km (0.078 R)
• M22: 12,332,699 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 12.5

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5 AU - 5.14 AU

Year: 7258 Days

Day: 14.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,395,741 km

• M1: 155,582 km (0.059 R)
• M2: 588,668 km (0.103 R)
• M3: 983,756 km (0.118 R)
• M4: 1,541,756 km (0.117 R)
• M5: 2,529,700 km (0.074 R)
• M6: 3,712,870 km (0.08 R)
• M7: 4,324,874 km (0.085 R)
• M8: 6,959,443 km (0.113 R)
• M9: 7,971,023 km (0.109 R)
• M10: 8,656,630 km (0.06 R)
• M11: 10,238,628 km (0.075 R)
• M12: 11,246,170 km (0.106 R)
• M13: 12,109,349 km (0.057 R)
• M14: 17,902,228 km (0.116 R)
• M15: 21,817,054 km (0.077 R)
• M16: 24,976,561 km (0.118 R)
• M17: 32,489,965 km (0.098 R)
• M18: 36,157,057 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.3

Radius: 3.1

Gravity: 92.96 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.31 AU - 7.45 AU

Year: 11474 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 57,395,741 km

• M1: 38,895 km (0.052 R)
• M2: 150,645 km (0.117 R)
• M3: 256,261 km (0.055 R)
• M4: 401,670 km (0.097 R)
• M5: 504,294 km (0.109 R)
• M6: 649,255 km (0.071 R)
• M7: 782,995 km (0.119 R)
• M8: 1,023,549 km (0.096 R)
• M9: 1,205,609 km (0.083 R)
• M10: 1,763,908 km (0.11 R)
• M11: 2,044,105 km (0.097 R)
• M12: 2,804,810 km (0.112 R)
• M13: 3,015,145 km (0.09 R)
• M14: 3,311,798 km (0.119 R)
• M15: 3,573,444 km (0.118 R)
• M16: 3,736,955 km (0.104 R)
• M17: 3,877,128 km (0.09 R)
• M18: 4,227,636 km (0.061 R)
• M19: 4,472,827 km (0.038 R)
• M20: 4,630,802 km (0.066 R)
• M21: 4,891,252 km (0.104 R)
• M22: 5,621,439 km (0.077 R)
• M23: 5,880,244 km (0.095 R)
• M24: 7,122,504 km (0.102 R)
• M25: 7,557,834 km (0.12 R)
• M26: 9,477,624 km (0.113 R)
• M27: 13,510,932 km (0.043 R)
• M28: 14,041,705 km (0.099 R)
• M29: 16,379,022 km (0.057 R)
• M30: 21,357,938 km (0.083 R)
• M31: 23,659,950 km (0.077 R)
• M32: 28,749,569 km (0.111 R)
• M33: 28,967,084 km (0.108 R)
• M34: 32,480,241 km (0.099 R)
• M35: 32,598,124 km (0.085 R)
• M36: 33,792,065 km (0.105 R)
• M37: 45,581,424 km (0.111 R)
• M38: 46,622,176 km (0.075 R)
• M39: 48,289,295 km (0.077 R)
• M40: 48,596,569 km (0.112 R)
• M41: 53,528,362 km (0.094 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 14,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit