🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.1

Radius: 14.2

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.79 AU - 0.99 AU

Year: 569 Days

Day: 11 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,259,885 km

• M1: 177,722 km (0.078 R)
• M2: 823,536 km (0.046 R)
• M3: 1,298,958 km (0.112 R)
• M4: 1,774,680 km (0.101 R)
• M5: 2,801,071 km (0.102 R)
• M6: 3,487,725 km (0.087 R)
• M7: 4,324,426 km (0.084 R)
• M8: 4,876,741 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 10.3

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.35 AU - 3.75 AU

Year: 3613 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,259,885 km

• M1: 128,654 km (0.1 R)
• M2: 582,684 km (0.106 R)
• M3: 1,411,306 km (0.108 R)
• M4: 2,193,254 km (0.088 R)
• M5: 3,226,228 km (0.107 R)
• M6: 4,193,976 km (0.063 R)
• M7: 4,556,602 km (0.11 R)
• M8: 4,940,021 km (0.112 R)
• M9: 6,643,791 km (0.026 R)
• M10: 12,134,182 km (0.048 R)
• M11: 13,153,842 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.7

Radius: 14.3

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.98 AU - 3.24 AU

Year: 3720 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,259,885 km

• M1: 178,321 km (0.084 R)
• M2: 698,772 km (0.111 R)
• M3: 1,143,676 km (0.076 R)
• M4: 2,023,162 km (0.054 R)
• M5: 2,773,096 km (0.083 R)
• M6: 3,417,713 km (0.034 R)
• M7: 3,938,164 km (0.065 R)
• M8: 4,706,798 km (0.069 R)
• M9: 5,463,015 km (0.102 R)
• M10: 6,089,830 km (0.078 R)
• M11: 7,833,992 km (0.049 R)
• M12: 9,052,317 km (0.029 R)
• M13: 10,224,266 km (0.119 R)
• M14: 11,179,150 km (0.116 R)
• M15: 12,097,980 km (0.05 R)
• M16: 13,266,489 km (0.048 R)
• M17: 16,054,993 km (0.114 R)
• M18: 17,769,534 km (0.047 R)
• M19: 19,799,877 km (0.082 R)
• M20: 22,051,325 km (0.098 R)
• M21: 23,496,290 km (0.108 R)
• M22: 24,926,596 km (0.095 R)
• M23: 26,494,232 km (0.066 R)
• M24: 27,058,066 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.4

Radius: 12.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.73 AU - 4.95 AU

Year: 6132 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,259,885 km

• M1: 158,125 km (0.034 R)
• M2: 907,760 km (0.105 R)
• M3: 2,409,872 km (0.094 R)
• M4: 2,934,661 km (0.117 R)
• M5: 3,940,558 km (0.075 R)
• M6: 5,390,759 km (0.112 R)
• M7: 7,611,988 km (0.12 R)
• M8: 8,126,156 km (0.09 R)
• M9: 11,608,645 km (0.12 R)
• M10: 12,181,605 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 15

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.77 AU - 5.03 AU

Year: 7357 Days

Day: 7.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,259,885 km

• M1: 190,438 km (0.1 R)
• M2: 669,450 km (0.052 R)
• M3: 1,304,942 km (0.063 R)
• M4: 2,957,550 km (0.095 R)
• M5: 5,004,198 km (0.112 R)
• M6: 5,488,596 km (0.074 R)
• M7: 6,104,790 km (0.116 R)
• M8: 6,985,921 km (0.105 R)
• M9: 8,194,672 km (0.064 R)
• M10: 9,045,884 km (0.083 R)
• M11: 11,693,168 km (0.092 R)
• M12: 13,280,102 km (0.098 R)
• M13: 14,698,739 km (0.094 R)
• M14: 15,956,258 km (0.096 R)
• M15: 16,611,497 km (0.108 R)
• M16: 17,489,936 km (0.066 R)
• M17: 19,413,615 km (0.088 R)
• M18: 23,762,425 km (0.098 R)
• M19: 24,273,152 km (0.089 R)
• M20: 28,055,585 km (0.118 R)
• M21: 32,007,811 km (0.06 R)
• M22: 32,526,616 km (0.073 R)
• M23: 36,655,069 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 8.3

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.19 AU - 5.93 AU

Year: 8892 Days

Day: 6.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,259,885 km

• M1: 103,223 km (0.095 R)
• M2: 448,943 km (0.089 R)
• M3: 886,667 km (0.12 R)
• M4: 2,173,657 km (0.044 R)
• M5: 2,727,319 km (0.047 R)
• M6: 5,986,907 km (0.037 R)
• M7: 6,550,292 km (0.08 R)
• M8: 6,844,851 km (0.101 R)
• M9: 7,225,727 km (0.11 R)
• M10: 7,701,298 km (0.11 R)
• M11: 8,670,992 km (0.046 R)
• M12: 11,849,947 km (0.078 R)
• M13: 12,122,813 km (0.046 R)
• M14: 12,794,507 km (0.074 R)
• M15: 17,637,739 km (0.039 R)
• M16: 19,090,184 km (0.078 R)
• M17: 19,922,248 km (0.085 R)
• M18: 20,464,091 km (0.058 R)
• M19: 22,231,291 km (0.095 R)
• M20: 29,118,328 km (0.084 R)
• M21: 30,017,710 km (0.091 R)
• M22: 32,400,056 km (0.098 R)
• M23: 32,719,897 km (0.113 R)
• M24: 36,492,605 km (0.101 R)
• M25: 37,187,188 km (0.067 R)
• M26: 38,483,454 km (0.116 R)
• M27: 40,299,273 km (0.053 R)
• M28: 42,044,930 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.3

Radius: 10.5

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.5 AU - 6.62 AU

Year: 8892 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,259,885 km

• M1: 132,245 km (0.106 R)
• M2: 489,035 km (0.074 R)
• M3: 1,186,311 km (0.104 R)
• M4: 1,799,662 km (0.117 R)
• M5: 2,481,529 km (0.095 R)
• M6: 2,872,578 km (0.117 R)
• M7: 3,237,148 km (0.034 R)
• M8: 4,192,929 km (0.038 R)
• M9: 4,607,166 km (0.101 R)
• M10: 5,140,183 km (0.098 R)
• M11: 6,051,084 km (0.072 R)
• M12: 7,494,405 km (0.116 R)
• M13: 10,144,980 km (0.074 R)
• M14: 11,414,318 km (0.094 R)
• M15: 21,334,302 km (0.091 R)
• M16: 24,716,411 km (0.087 R)
• M17: 25,342,926 km (0.118 R)
• M18: 25,980,064 km (0.039 R)
• M19: 28,342,962 km (0.099 R)
• M20: 32,736,352 km (0.11 R)
• M21: 33,492,121 km (0.111 R)
• M22: 34,038,901 km (0.098 R)
• M23: 39,232,341 km (0.085 R)
• M24: 40,330,988 km (0.113 R)
• M25: 42,845,429 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.7

Radius: 5.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.69 AU - 6.81 AU

Year: 10598 Days

Day: 17.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,259,885 km

• M1: 87,964 km (0.079 R)
• M2: 287,677 km (0.06 R)
• M3: 915,090 km (0.102 R)
• M4: 1,959,583 km (0.096 R)
• M5: 2,143,737 km (0.025 R)
• M6: 5,264,648 km (0.101 R)
• M7: 8,309,863 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.6

Radius: 7.1

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.55 AU - 9.23 AU

Year: 15032 Days

Day: 18.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,259,885 km

• M1: 91,255 km (0.11 R)
• M2: 316,699 km (0.068 R)
• M3: 682,017 km (0.087 R)
• M4: 1,037,760 km (0.055 R)
• M5: 1,460,823 km (0.105 R)
• M6: 1,691,503 km (0.116 R)
• M7: 2,611,380 km (0.103 R)
• M8: 3,418,611 km (0.083 R)
• M9: 3,779,441 km (0.092 R)
• M10: 4,837,546 km (0.115 R)
• M11: 7,249,214 km (0.12 R)
• M12: 8,345,916 km (0.061 R)
• M13: 9,045,884 km (0.077 R)
• M14: 11,967,381 km (0.119 R)
• M15: 13,259,158 km (0.113 R)
• M16: 15,143,792 km (0.037 R)
• M17: 16,050,804 km (0.037 R)
• M18: 16,720,404 km (0.107 R)
• M19: 17,062,236 km (0.102 R)
• M20: 19,511,003 km (0.073 R)
• M21: 25,721,858 km (0.063 R)
• M22: 31,862,252 km (0.057 R)
• M23: 36,343,008 km (0.087 R)
• M24: 37,496,257 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.8

Radius: 5.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.66 AU - 9.58 AU

Year: 15694 Days

Day: 20.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,259,885 km

• M1: 69,862 km (0.109 R)
• M2: 1,070,223 km (0.1 R)
• M3: 1,302,100 km (0.056 R)
• M4: 3,198,702 km (0.043 R)
• M5: 4,084,471 km (0.102 R)
• M6: 4,349,708 km (0.116 R)
• M7: 4,914,739 km (0.114 R)
• M8: 6,433,456 km (0.049 R)
• M9: 7,434,565 km (0.12 R)
• M10: 8,033,555 km (0.037 R)
• M11: 9,013,721 km (0.083 R)
• M12: 9,509,787 km (0.086 R)
• M13: 10,804,108 km (0.088 R)
• M14: 12,484,989 km (0.066 R)
• M15: 13,445,408 km (0.071 R)
• M16: 14,212,396 km (0.031 R)
• M17: 14,576,069 km (0.115 R)
• M18: 17,160,970 km (0.032 R)
• M19: 19,660,152 km (0.086 R)
• M20: 21,986,997 km (0.098 R)
• M21: 24,061,172 km (0.064 R)
• M22: 24,751,417 km (0.114 R)
• M23: 27,458,240 km (0.104 R)
• M24: 29,368,306 km (0.096 R)
• M25: 30,656,344 km (0.068 R)
• M26: 33,450,981 km (0.113 R)
• M27: 37,665,303 km (0.11 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 19,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit