🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.2

Radius: 13

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.55 AU - 0.61 AU

Year: 295 Days

Day: 12.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 43,336,817 km

• M1: 161,715 km (0.111 R)
• M2: 826,379 km (0.056 R)
• M3: 1,289,982 km (0.106 R)
• M4: 1,904,680 km (0.085 R)
• M5: 2,462,381 km (0.093 R)
• M6: 3,352,638 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.3

Radius: 14.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.67 AU - 0.83 AU

Year: 433 Days

Day: 7.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,336,817 km

• M1: 184,454 km (0.063 R)
• M2: 653,892 km (0.113 R)
• M3: 1,286,242 km (0.055 R)
• M4: 1,830,928 km (0.097 R)
• M5: 2,305,154 km (0.108 R)
• M6: 2,913,718 km (0.069 R)
• M7: 3,439,554 km (0.086 R)
• M8: 4,041,835 km (0.052 R)
• M9: 4,585,175 km (0.076 R)
• M10: 5,396,594 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 8.3

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.99 AU - 1.15 AU

Year: 738 Days

Day: 8.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,336,817 km

• M1: 103,223 km (0.11 R)
• M2: 368,011 km (0.063 R)
• M3: 667,207 km (0.055 R)
• M4: 1,522,458 km (0.096 R)
• M5: 2,015,682 km (0.034 R)
• M6: 2,290,343 km (0.091 R)
• M7: 2,557,974 km (0.064 R)
• M8: 2,892,774 km (0.085 R)
• M9: 3,705,838 km (0.092 R)
• M10: 4,301,986 km (0.097 R)
• M11: 5,270,034 km (0.116 R)
• M12: 5,833,569 km (0.112 R)
• M13: 7,231,711 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.7

Radius: 13.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.06 AU - 2.12 AU

Year: 2015 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,336,817 km

• M1: 167,849 km (0.072 R)
• M2: 799,900 km (0.084 R)
• M3: 1,324,988 km (0.049 R)
• M4: 1,825,992 km (0.115 R)
• M5: 2,273,289 km (0.045 R)
• M6: 2,743,924 km (0.08 R)
• M7: 3,424,594 km (0.118 R)
• M8: 4,440,663 km (0.087 R)
• M9: 5,204,061 km (0.119 R)
• M10: 5,732,291 km (0.066 R)
• M11: 8,080,679 km (0.097 R)
• M12: 8,791,418 km (0.087 R)
• M13: 9,307,531 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.1

Radius: 8.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.94 AU - 3.02 AU

Year: 3430 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,336,817 km

• M1: 109,506 km (0.05 R)
• M2: 556,205 km (0.1 R)
• M3: 1,127,818 km (0.101 R)
• M4: 3,650,786 km (0.091 R)
• M5: 4,338,937 km (0.102 R)
• M6: 5,881,291 km (0.096 R)
• M7: 6,702,433 km (0.118 R)
• M8: 8,005,431 km (0.081 R)
• M9: 9,193,687 km (0.115 R)
• M10: 10,070,330 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.9

Radius: 5.5

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.72 AU - 9.22 AU

Year: 17915 Days

Day: 15.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 43,336,817 km

• M1: 68,815 km (0.114 R)
• M2: 459,265 km (0.049 R)
• M3: 1,302,249 km (0.106 R)
• M4: 1,973,046 km (0.104 R)
• M5: 2,355,269 km (0.101 R)
• M6: 2,917,906 km (0.085 R)
• M7: 3,414,123 km (0.088 R)
• M8: 3,643,307 km (0.045 R)
• M9: 3,909,890 km (0.07 R)
• M10: 4,218,211 km (0.074 R)
• M11: 4,883,473 km (0.083 R)
• M12: 5,581,497 km (0.118 R)
• M13: 5,900,140 km (0.076 R)
• M14: 6,849,189 km (0.105 R)
• M15: 7,808,560 km (0.075 R)
• M16: 8,028,469 km (0.097 R)
• M17: 9,288,083 km (0.116 R)
• M18: 9,735,680 km (0.108 R)
• M19: 12,075,091 km (0.088 R)
• M20: 12,789,421 km (0.119 R)
• M21: 13,849,023 km (0.086 R)
• M22: 19,953,962 km (0.102 R)
• M23: 20,365,357 km (0.04 R)
• M24: 21,980,565 km (0.032 R)
• M25: 22,685,470 km (0.079 R)
• M26: 24,985,388 km (0.111 R)
• M27: 25,656,184 km (0.112 R)
• M28: 26,933,601 km (0.075 R)
• M29: 27,436,100 km (0.041 R)
• M30: 32,695,512 km (0.108 R)
• M31: 36,348,243 km (0.093 R)
• M32: 42,255,415 km (0.034 R)
• M33: 42,525,888 km (0.115 R)
• M34: 45,435,416 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.7

Radius: 5.4

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.42 AU - 11.39 AU

Year: 20772 Days

Day: 18.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 174.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,336,817 km

• M1: 67,917 km (0.074 R)
• M2: 296,802 km (0.049 R)
• M3: 882,328 km (0.076 R)
• M4: 1,278,314 km (0.099 R)
• M5: 1,458,280 km (0.118 R)
• M6: 1,687,165 km (0.104 R)
• M7: 2,198,341 km (0.117 R)
• M8: 2,417,202 km (0.025 R)
• M9: 4,110,351 km (0.033 R)
• M10: 4,381,722 km (0.062 R)
• M11: 6,036,573 km (0.066 R)
• M12: 6,230,003 km (0.108 R)
• M13: 6,547,899 km (0.112 R)
• M14: 6,960,639 km (0.103 R)
• M15: 7,130,433 km (0.095 R)
• M16: 7,611,988 km (0.028 R)
• M17: 8,885,216 km (0.085 R)
• M18: 9,237,220 km (0.077 R)
• M19: 9,915,646 km (0.053 R)
• M20: 13,547,434 km (0.088 R)
• M21: 14,559,762 km (0.068 R)
• M22: 16,282,831 km (0.079 R)
• M23: 17,661,076 km (0.087 R)
• M24: 18,621,943 km (0.116 R)
• M25: 18,867,583 km (0.106 R)
• M26: 20,300,132 km (0.119 R)
• M27: 22,908,820 km (0.08 R)
• M28: 23,190,812 km (0.112 R)
• M29: 24,147,490 km (0.069 R)
• M30: 27,070,483 km (0.079 R)
• M31: 28,345,954 km (0.091 R)
• M32: 33,849,660 km (0.107 R)
• M33: 34,584,036 km (0.064 R)
• M34: 35,454,247 km (0.101 R)
• M35: 42,947,454 km (0.117 R)
• M36: 44,097,264 km (0.109 R)
• M37: 48,591,932 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.4

Radius: 5.3

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.33 AU - 11.81 AU

Year: 22916 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,336,817 km

• M1: 65,973 km (0.119 R)
• M2: 326,722 km (0.116 R)
• M3: 817,702 km (0.105 R)
• M4: 1,342,491 km (0.062 R)
• M5: 1,858,305 km (0.113 R)
• M6: 2,204,773 km (0.056 R)
• M7: 3,026,365 km (0.117 R)
• M8: 3,294,744 km (0.085 R)
• M9: 4,114,989 km (0.098 R)
• M10: 4,558,397 km (0.094 R)
• M11: 4,821,539 km (0.061 R)
• M12: 6,507,956 km (0.103 R)
• M13: 7,911,783 km (0.097 R)
• M14: 8,596,193 km (0.034 R)
• M15: 9,089,118 km (0.113 R)
• M16: 11,093,131 km (0.034 R)
• M17: 12,964,002 km (0.039 R)
• M18: 13,373,750 km (0.041 R)
• M19: 14,404,779 km (0.114 R)
• M20: 17,037,701 km (0.093 R)
• M21: 18,762,415 km (0.091 R)
• M22: 23,318,269 km (0.117 R)
• M23: 24,986,884 km (0.117 R)
• M24: 25,438,968 km (0.104 R)
• M25: 28,954,817 km (0.049 R)
• M26: 29,856,444 km (0.118 R)
• M27: 30,673,547 km (0.101 R)
• M28: 32,997,102 km (0.064 R)
• M29: 36,931,526 km (0.032 R)
• M30: 41,544,825 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 15,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit