🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 13.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.45 AU - 2.35 AU

Year: 1776 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,490,989 km

• M1: 170,242 km (0.048 R)
• M2: 665,411 km (0.046 R)
• M3: 1,133,802 km (0.073 R)
• M4: 1,570,179 km (0.084 R)
• M5: 2,336,868 km (0.079 R)
• M6: 3,466,631 km (0.054 R)
• M7: 4,316,497 km (0.112 R)
• M8: 4,791,321 km (0.112 R)
• M9: 7,098,269 km (0.03 R)
• M10: 8,035,350 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 10.5

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.1 AU - 2.12 AU

Year: 2079 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,490,989 km

• M1: 130,599 km (0.104 R)
• M2: 490,232 km (0.111 R)
• M3: 1,074,711 km (0.076 R)
• M4: 1,496,428 km (0.08 R)
• M5: 1,979,329 km (0.098 R)
• M6: 2,328,341 km (0.1 R)
• M7: 3,890,891 km (0.099 R)
• M8: 4,292,860 km (0.079 R)
• M9: 4,722,506 km (0.082 R)
• M10: 5,199,723 km (0.065 R)
• M11: 5,608,424 km (0.085 R)
• M12: 6,919,051 km (0.059 R)
• M13: 7,342,114 km (0.058 R)
• M14: 9,210,591 km (0.088 R)
• M15: 9,607,774 km (0.079 R)

Asteroid Belt

Center: 2.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866

Radius: 13.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.75 AU - 4.23 AU

Year: 4422 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,490,989 km

• M1: 174,880 km (0.07 R)
• M2: 814,261 km (0.116 R)
• M3: 1,336,956 km (0.032 R)
• M4: 1,812,977 km (0.097 R)
• M5: 2,325,050 km (0.101 R)
• M6: 3,026,515 km (0.1 R)
• M7: 3,521,235 km (0.075 R)
• M8: 4,524,737 km (0.047 R)
• M9: 5,148,261 km (0.089 R)
• M10: 5,887,873 km (0.109 R)
• M11: 6,568,244 km (0.069 R)
• M12: 7,028,108 km (0.101 R)
• M13: 7,866,754 km (0.1 R)
• M14: 9,087,622 km (0.119 R)
• M15: 9,912,804 km (0.098 R)
• M16: 13,044,785 km (0.092 R)
• M17: 14,751,996 km (0.117 R)
• M18: 17,274,814 km (0.093 R)
• M19: 18,219,076 km (0.096 R)
• M20: 19,197,296 km (0.103 R)
• M21: 23,161,191 km (0.074 R)
• M22: 24,778,793 km (0.111 R)
• M23: 26,718,479 km (0.085 R)
• M24: 28,238,393 km (0.11 R)
• M25: 30,083,533 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.2

Radius: 9.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.31 AU - 4.31 AU

Year: 6069 Days

Day: 12.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,490,989 km

• M1: 113,096 km (0.092 R)
• M2: 719,267 km (0.119 R)
• M3: 1,149,061 km (0.102 R)
• M4: 1,508,246 km (0.102 R)
• M5: 3,674,273 km (0.037 R)
• M6: 8,735,768 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.3

Radius: 7.3

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.61 AU - 6.71 AU

Year: 9133 Days

Day: 24.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,490,989 km

• M1: 90,806 km (0.089 R)
• M2: 355,594 km (0.119 R)
• M3: 666,907 km (0.093 R)
• M4: 1,352,814 km (0.084 R)
• M5: 1,737,130 km (0.103 R)
• M6: 3,572,846 km (0.109 R)
• M7: 4,903,220 km (0.068 R)
• M8: 6,393,065 km (0.04 R)
• M9: 7,050,847 km (0.112 R)
• M10: 7,955,914 km (0.107 R)
• M11: 8,673,086 km (0.113 R)
• M12: 10,778,975 km (0.099 R)
• M13: 11,550,601 km (0.067 R)
• M14: 14,635,309 km (0.12 R)
• M15: 16,233,463 km (0.045 R)
• M16: 17,523,296 km (0.079 R)
• M17: 20,537,095 km (0.112 R)
• M18: 20,926,797 km (0.101 R)
• M19: 23,116,910 km (0.047 R)
• M20: 25,905,115 km (0.029 R)
• M21: 29,399,422 km (0.06 R)
• M22: 33,516,805 km (0.086 R)
• M23: 35,266,202 km (0.104 R)
• M24: 38,237,216 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.8

Radius: 7.5

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.92 AU - 9.16 AU

Year: 18435 Days

Day: 20 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,490,989 km

• M1: 93,349 km (0.091 R)
• M2: 364,570 km (0.11 R)
• M3: 714,330 km (0.119 R)
• M4: 1,090,120 km (0.115 R)
• M5: 1,661,584 km (0.07 R)
• M6: 1,898,397 km (0.118 R)
• M7: 3,109,242 km (0.099 R)
• M8: 3,442,995 km (0.111 R)
• M9: 4,084,919 km (0.059 R)
• M10: 4,660,722 km (0.088 R)
• M11: 5,136,592 km (0.04 R)
• M12: 5,604,235 km (0.12 R)
• M13: 6,579,763 km (0.076 R)
• M14: 7,864,061 km (0.105 R)
• M15: 8,327,066 km (0.104 R)
• M16: 9,307,680 km (0.034 R)
• M17: 12,364,414 km (0.091 R)
• M18: 13,204,106 km (0.071 R)
• M19: 15,548,305 km (0.049 R)
• M20: 21,734,327 km (0.115 R)
• M21: 25,756,116 km (0.045 R)
• M22: 26,093,309 km (0.072 R)
• M23: 27,006,904 km (0.1 R)
• M24: 27,588,540 km (0.109 R)
• M25: 28,178,554 km (0.066 R)
• M26: 30,497,471 km (0.113 R)
• M27: 36,774,597 km (0.109 R)
• M28: 37,059,282 km (0.105 R)
• M29: 37,922,312 km (0.083 R)
• M30: 41,662,708 km (0.073 R)
• M31: 42,909,756 km (0.091 R)
• M32: 43,861,198 km (0.069 R)
• M33: 44,826,553 km (0.029 R)
• M34: 45,314,541 km (0.065 R)
• M35: 51,627,871 km (0.063 R)
• M36: 60,658,945 km (0.104 R)
• M37: 63,070,462 km (0.078 R)
• M38: 64,300,007 km (0.051 R)
• M39: 68,298,609 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.6

Radius: 7.3

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.46 AU - 11.42 AU

Year: 22879 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,490,989 km

• M1: 90,956 km (0.04 R)
• M2: 503,846 km (0.113 R)
• M3: 1,685,968 km (0.06 R)
• M4: 2,518,031 km (0.112 R)
• M5: 2,807,054 km (0.104 R)
• M6: 9,090,464 km (0.073 R)
• M7: 13,421,323 km (0.045 R)
• M8: 15,706,280 km (0.096 R)
• M9: 15,948,180 km (0.105 R)
• M10: 16,856,389 km (0.115 R)
• M11: 19,323,407 km (0.093 R)
• M12: 20,739,351 km (0.117 R)
• M13: 22,324,490 km (0.094 R)
• M14: 23,988,767 km (0.066 R)
• M15: 26,070,571 km (0.096 R)
• M16: 28,989,225 km (0.091 R)
• M17: 31,603,597 km (0.067 R)
• M18: 34,506,544 km (0.061 R)
• M19: 38,306,480 km (0.08 R)
• M20: 39,931,412 km (0.098 R)
• M21: 48,578,917 km (0.117 R)
• M22: 48,921,196 km (0.113 R)
• M23: 59,561,345 km (0.085 R)
• M24: 68,806,045 km (0.12 R)
• M25: 76,856,056 km (0.098 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 14,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit