🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.67 AU - 0.81 AU

Year: 291 Days

Day: 38 Hours

Environment

Temp: -37 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.9 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.1

Radius: 15

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.96 AU - 3.14 AU

Year: 2432 Days

Day: 14.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,785,583 km

• M1: 186,698 km (0.093 R)
• M2: 657,483 km (0.104 R)
• M3: 1,226,553 km (0.088 R)
• M4: 1,791,285 km (0.071 R)
• M5: 2,517,134 km (0.074 R)
• M6: 3,178,207 km (0.045 R)
• M7: 4,687,350 km (0.109 R)
• M8: 5,240,413 km (0.101 R)
• M9: 6,103,144 km (0.051 R)
• M10: 6,790,995 km (0.1 R)
• M11: 7,993,313 km (0.1 R)
• M12: 9,009,083 km (0.107 R)
• M13: 9,834,564 km (0.079 R)
• M14: 10,602,450 km (0.078 R)
• M15: 12,376,830 km (0.098 R)
• M16: 14,741,225 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.5

Radius: 13.3

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.75 AU - 5.83 AU

Year: 4786 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,785,583 km

• M1: 165,605 km (0.093 R)
• M2: 949,647 km (0.099 R)
• M3: 1,585,289 km (0.049 R)
• M4: 2,351,080 km (0.11 R)
• M5: 2,772,049 km (0.066 R)
• M6: 3,849,153 km (0.105 R)
• M7: 4,687,948 km (0.081 R)
• M8: 6,467,565 km (0.102 R)
• M9: 6,967,970 km (0.043 R)
• M10: 7,718,502 km (0.09 R)
• M11: 10,179,387 km (0.07 R)
• M12: 10,817,572 km (0.093 R)
• M13: 11,271,751 km (0.085 R)
• M14: 12,575,347 km (0.111 R)
• M15: 14,220,774 km (0.12 R)
• M16: 15,846,753 km (0.093 R)
• M17: 16,924,157 km (0.119 R)
• M18: 17,707,002 km (0.12 R)
• M19: 21,402,818 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.2 AU - 6.84 AU

Year: 5921 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,785,583 km

• M1: 112,198 km (0.118 R)
• M2: 408,402 km (0.117 R)
• M3: 733,628 km (0.059 R)
• M4: 2,026,154 km (0.101 R)
• M5: 3,483,386 km (0.105 R)
• M6: 4,052,307 km (0.096 R)
• M7: 4,536,705 km (0.088 R)
• M8: 6,775,138 km (0.051 R)
• M9: 7,391,332 km (0.105 R)
• M10: 9,037,955 km (0.052 R)
• M11: 9,465,356 km (0.071 R)
• M12: 9,865,531 km (0.08 R)
• M13: 10,402,737 km (0.034 R)
• M14: 12,038,739 km (0.1 R)
• M15: 12,845,221 km (0.1 R)
• M16: 16,896,182 km (0.111 R)
• M17: 18,211,297 km (0.06 R)
• M18: 18,768,399 km (0.116 R)
• M19: 22,003,453 km (0.104 R)
• M20: 23,716,050 km (0.035 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.7

Radius: 5.1

Gravity: 23.17 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 11.04 AU - 12.72 AU

Year: 18695 Days

Day: 19.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,785,583 km

• M1: 64,626 km (0.074 R)
• M2: 284,685 km (0.105 R)
• M3: 620,532 km (0.099 R)
• M4: 804,986 km (0.091 R)
• M5: 1,218,175 km (0.085 R)
• M6: 1,511,686 km (0.116 R)
• M7: 1,744,311 km (0.104 R)
• M8: 2,476,144 km (0.114 R)
• M9: 2,728,665 km (0.103 R)
• M10: 2,898,309 km (0.07 R)
• M11: 3,590,947 km (0.107 R)
• M12: 3,765,229 km (0.104 R)
• M13: 5,113,106 km (0.044 R)
• M14: 6,494,343 km (0.058 R)
• M15: 9,575,610 km (0.099 R)
• M16: 10,198,236 km (0.109 R)
• M17: 10,608,284 km (0.073 R)
• M18: 10,787,353 km (0.093 R)
• M19: 13,233,727 km (0.113 R)
• M20: 14,148,967 km (0.113 R)
• M21: 14,881,099 km (0.076 R)
• M22: 15,256,589 km (0.114 R)
• M23: 16,741,049 km (0.086 R)
• M24: 19,543,466 km (0.096 R)
• M25: 20,635,680 km (0.076 R)
• M26: 25,199,612 km (0.027 R)
• M27: 27,602,303 km (0.099 R)
• M28: 32,354,429 km (0.054 R)
• M29: 32,605,305 km (0.101 R)
• M30: 33,111,245 km (0.098 R)
• M31: 34,008,982 km (0.114 R)
• M32: 34,268,384 km (0.108 R)
• M33: 34,791,229 km (0.046 R)
• M34: 35,987,114 km (0.066 R)
• M35: 38,320,392 km (0.113 R)
• M36: 40,316,028 km (0.085 R)
• M37: 41,783,134 km (0.1 R)
• M38: 46,556,952 km (0.098 R)
• M39: 57,905,297 km (0.109 R)
• M40: 59,019,950 km (0.09 R)
• M41: 64,015,921 km (0.086 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.9

Radius: 3.3

Gravity: 34.52 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 11.4 AU - 17.24 AU

Year: 24741 Days

Day: 16.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,785,583 km

• M1: 41,289 km (0.099 R)
• M2: 334,950 km (0.118 R)
• M3: 754,123 km (0.054 R)
• M4: 1,684,472 km (0.114 R)
• M5: 2,056,672 km (0.039 R)
• M6: 2,690,219 km (0.106 R)
• M7: 3,704,642 km (0.091 R)
• M8: 5,280,805 km (0.027 R)
• M9: 8,637,631 km (0.086 R)
• M10: 9,614,057 km (0.102 R)
• M11: 10,482,173 km (0.1 R)
• M12: 10,904,488 km (0.08 R)
• M13: 11,527,563 km (0.113 R)
• M14: 12,573,103 km (0.091 R)
• M15: 13,609,367 km (0.114 R)
• M16: 13,894,949 km (0.09 R)
• M17: 15,771,505 km (0.101 R)
• M18: 16,729,380 km (0.09 R)
• M19: 16,892,741 km (0.09 R)
• M20: 18,585,142 km (0.114 R)
• M21: 20,667,245 km (0.11 R)
• M22: 21,715,926 km (0.093 R)
• M23: 22,799,463 km (0.115 R)
• M24: 27,950,866 km (0.047 R)
• M25: 30,429,553 km (0.043 R)
• M26: 34,350,065 km (0.108 R)
• M27: 35,279,666 km (0.048 R)
• M28: 36,774,298 km (0.117 R)
• M29: 40,915,466 km (0.076 R)
• M30: 45,515,601 km (0.081 R)
• M31: 58,685,001 km (0.057 R)
• M32: 63,317,897 km (0.117 R)
• M33: 68,814,273 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 14,828 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit