🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.3

Radius: 14.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.52 AU - 0.58 AU

Year: 272 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,957,935 km

• M1: 185,352 km (0.075 R)
• M2: 746,643 km (0.119 R)
• M3: 1,227,451 km (0.11 R)
• M4: 1,807,142 km (0.109 R)
• M5: 2,517,283 km (0.089 R)
• M6: 2,987,918 km (0.116 R)
• M7: 3,529,014 km (0.09 R)
• M8: 4,609,110 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.4

Radius: 9.6

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.47 AU - 0.67 AU

Year: 287 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,957,935 km

• M1: 119,379 km (0.103 R)
• M2: 441,763 km (0.11 R)
• M3: 963,709 km (0.081 R)
• M4: 1,286,841 km (0.09 R)
• M5: 1,972,149 km (0.09 R)
• M6: 2,595,523 km (0.104 R)
• M7: 3,108,345 km (0.068 R)
• M8: 4,430,191 km (0.112 R)
• M9: 4,830,066 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 11.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.65 AU - 1.77 AU

Year: 1491 Days

Day: 12.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,957,935 km

• M1: 141,968 km (0.091 R)
• M2: 634,295 km (0.05 R)
• M3: 1,127,370 km (0.064 R)
• M4: 1,637,199 km (0.097 R)
• M5: 2,045,601 km (0.095 R)
• M6: 3,514,054 km (0.12 R)
• M7: 4,344,173 km (0.094 R)
• M8: 5,279,907 km (0.054 R)
• M9: 6,026,999 km (0.104 R)
• M10: 6,698,394 km (0.088 R)
• M11: 7,215,105 km (0.053 R)
• M12: 9,191,742 km (0.118 R)
• M13: 9,987,154 km (0.073 R)
• M14: 11,402,499 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.7

Radius: 10.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.48 AU - 2.62 AU

Year: 2715 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,957,935 km

• M1: 129,402 km (0.115 R)
• M2: 543,788 km (0.091 R)
• M3: 1,101,938 km (0.087 R)
• M4: 1,711,250 km (0.114 R)
• M5: 2,399,699 km (0.097 R)
• M6: 3,740,545 km (0.078 R)
• M7: 4,302,884 km (0.106 R)
• M8: 4,750,331 km (0.071 R)
• M9: 5,433,544 km (0.071 R)
• M10: 6,779,028 km (0.112 R)
• M11: 7,329,847 km (0.034 R)
• M12: 8,181,208 km (0.096 R)
• M13: 8,902,420 km (0.064 R)
• M14: 9,295,114 km (0.101 R)
• M15: 11,550,601 km (0.05 R)
• M16: 12,337,037 km (0.104 R)
• M17: 15,372,827 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.5

Radius: 14

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.17 AU - 4.95 AU

Year: 6493 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,957,935 km

• M1: 176,675 km (0.1 R)
• M2: 696,378 km (0.079 R)
• M3: 1,282,503 km (0.052 R)
• M4: 2,621,852 km (0.105 R)
• M5: 3,531,856 km (0.117 R)
• M6: 4,198,315 km (0.057 R)
• M7: 7,626,948 km (0.069 R)
• M8: 8,578,989 km (0.054 R)
• M9: 9,300,200 km (0.115 R)
• M10: 10,061,504 km (0.106 R)
• M11: 12,597,337 km (0.118 R)
• M12: 13,306,431 km (0.115 R)
• M13: 14,157,793 km (0.05 R)
• M14: 18,341,148 km (0.073 R)
• M15: 21,090,906 km (0.103 R)
• M16: 24,271,207 km (0.053 R)
• M17: 25,975,576 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603

Radius: 13.3

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.17 AU - 5.27 AU

Year: 7953 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,957,935 km

• M1: 166,054 km (0.089 R)
• M2: 1,279,511 km (0.085 R)
• M3: 2,494,694 km (0.108 R)
• M4: 3,533,352 km (0.087 R)
• M5: 4,268,476 km (0.116 R)
• M6: 6,522,018 km (0.113 R)
• M7: 7,210,318 km (0.109 R)
• M8: 8,395,433 km (0.096 R)
• M9: 10,949,367 km (0.087 R)
• M10: 12,188,636 km (0.041 R)
• M11: 16,731,624 km (0.083 R)
• M12: 27,200,184 km (0.082 R)
• M13: 29,465,096 km (0.059 R)
• M14: 31,852,977 km (0.104 R)
• M15: 33,199,059 km (0.097 R)
• M16: 34,690,699 km (0.052 R)
• M17: 36,561,420 km (0.115 R)
• M18: 37,350,998 km (0.108 R)
• M19: 38,036,755 km (0.091 R)
• M20: 38,498,713 km (0.045 R)
• M21: 39,198,382 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.7

Radius: 4.6

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.99 AU - 6.01 AU

Year: 9801 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,957,935 km

• M1: 57,595 km (0.12 R)
• M2: 252,521 km (0.1 R)
• M3: 409,749 km (0.116 R)
• M4: 1,153,549 km (0.114 R)
• M5: 2,500,229 km (0.081 R)
• M6: 2,878,113 km (0.106 R)
• M7: 3,118,667 km (0.115 R)
• M8: 3,768,370 km (0.106 R)
• M9: 4,011,317 km (0.094 R)
• M10: 9,946,912 km (0.118 R)
• M11: 10,496,983 km (0.104 R)
• M12: 13,250,482 km (0.12 R)
• M13: 14,177,839 km (0.053 R)
• M14: 15,480,537 km (0.096 R)
• M15: 15,818,180 km (0.092 R)
• M16: 18,446,764 km (0.102 R)
• M17: 24,245,776 km (0.078 R)
• M18: 25,317,345 km (0.083 R)
• M19: 26,022,550 km (0.039 R)
• M20: 27,064,349 km (0.117 R)
• M21: 27,226,962 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.8

Radius: 5.3

Gravity: 21.71 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.01 AU - 6.29 AU

Year: 10170 Days

Day: 15.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,957,935 km

• M1: 69,413 km (0.117 R)
• M2: 263,891 km (0.056 R)
• M3: 432,936 km (0.048 R)
• M4: 942,317 km (0.072 R)
• M5: 1,848,132 km (0.101 R)
• M6: 2,293,335 km (0.083 R)
• M7: 2,621,104 km (0.112 R)
• M8: 3,442,546 km (0.03 R)
• M9: 4,747,937 km (0.054 R)
• M10: 5,119,838 km (0.066 R)
• M11: 8,599,334 km (0.071 R)
• M12: 9,151,650 km (0.077 R)
• M13: 9,629,765 km (0.092 R)
• M14: 10,583,900 km (0.097 R)
• M15: 13,637,192 km (0.05 R)
• M16: 15,297,280 km (0.114 R)
• M17: 19,554,686 km (0.111 R)
• M18: 21,910,403 km (0.07 R)
• M19: 23,641,101 km (0.086 R)
• M20: 24,539,586 km (0.081 R)
• M21: 25,929,949 km (0.054 R)
• M22: 28,362,260 km (0.074 R)
• M23: 31,048,888 km (0.107 R)
• M24: 35,273,383 km (0.094 R)
• M25: 36,802,273 km (0.111 R)
• M26: 40,370,930 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 214.7

Radius: 6.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.42 AU - 10.08 AU

Year: 18760 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,957,935 km

• M1: 293,810 km (0.087 R)
• M2: 889,958 km (0.049 R)
• M3: 1,273,078 km (0.073 R)
• M4: 1,552,676 km (0.047 R)
• M5: 2,074,922 km (0.069 R)
• M6: 2,814,385 km (0.056 R)
• M7: 3,743,088 km (0.072 R)
• M8: 6,561,961 km (0.078 R)
• M9: 6,992,204 km (0.061 R)
• M10: 10,132,114 km (0.109 R)
• M11: 12,267,923 km (0.104 R)
• M12: 15,354,725 km (0.054 R)
• M13: 19,474,052 km (0.098 R)
• M14: 23,816,729 km (0.085 R)
• M15: 26,455,486 km (0.119 R)
• M16: 26,946,316 km (0.088 R)
• M17: 29,492,023 km (0.045 R)
• M18: 30,985,459 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793

Radius: 8

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 9.26 AU - 9.82 AU

Year: 19650 Days

Day: 21.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,957,935 km

• M1: 101,427 km (0.105 R)
• M2: 590,762 km (0.117 R)
• M3: 905,217 km (0.12 R)
• M4: 1,331,720 km (0.05 R)
• M5: 1,668,914 km (0.104 R)
• M6: 2,002,966 km (0.105 R)
• M7: 2,659,401 km (0.1 R)
• M8: 3,037,734 km (0.111 R)
• M9: 4,849,664 km (0.088 R)
• M10: 5,299,355 km (0.07 R)
• M11: 6,909,028 km (0.095 R)
• M12: 7,381,757 km (0.065 R)
• M13: 8,079,482 km (0.105 R)
• M14: 11,839,624 km (0.112 R)
• M15: 12,448,039 km (0.105 R)
• M16: 14,398,197 km (0.069 R)
• M17: 16,049,608 km (0.099 R)
• M18: 18,353,265 km (0.039 R)
• M19: 18,622,093 km (0.091 R)
• M20: 23,500,030 km (0.04 R)
• M21: 24,785,824 km (0.055 R)
• M22: 29,902,670 km (0.081 R)
• M23: 30,275,168 km (0.081 R)
• M24: 33,234,962 km (0.089 R)
• M25: 36,241,431 km (0.057 R)
• M26: 40,022,517 km (0.053 R)
• M27: 41,083,614 km (0.037 R)
• M28: 45,027,014 km (0.063 R)
• M29: 48,528,502 km (0.04 R)
• M30: 52,747,611 km (0.034 R)
• M31: 54,390,794 km (0.082 R)
• M32: 57,587,252 km (0.082 R)
• M33: 63,939,925 km (0.107 R)
• M34: 66,017,092 km (0.097 R)
• M35: 66,437,761 km (0.073 R)
• M36: 74,320,372 km (0.083 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 11,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit