🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 8.6

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.7 AU - 1.06 AU

Year: 570 Days

Day: 9.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,413,119 km

• M1: 106,962 km (0.112 R)
• M2: 422,016 km (0.109 R)
• M3: 724,353 km (0.081 R)
• M4: 1,050,327 km (0.052 R)
• M5: 1,509,891 km (0.072 R)
• M6: 1,932,206 km (0.112 R)
• M7: 2,209,261 km (0.114 R)
• M8: 2,616,616 km (0.032 R)
• M9: 3,156,814 km (0.103 R)
• M10: 3,441,050 km (0.114 R)
• M11: 4,089,856 km (0.087 R)
• M12: 4,474,173 km (0.052 R)
• M13: 5,246,996 km (0.068 R)
• M14: 5,846,285 km (0.119 R)
• M15: 6,373,468 km (0.118 R)
• M16: 6,748,958 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.6

Radius: 12.5

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.83 AU - 1.03 AU

Year: 619 Days

Day: 7.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,413,119 km

• M1: 155,582 km (0.054 R)
• M2: 680,371 km (0.107 R)
• M3: 1,126,322 km (0.113 R)
• M4: 1,535,024 km (0.086 R)
• M5: 2,008,202 km (0.086 R)
• M6: 2,920,898 km (0.098 R)
• M7: 3,465,883 km (0.074 R)
• M8: 4,092,998 km (0.114 R)
• M9: 5,427,560 km (0.098 R)
• M10: 5,841,049 km (0.034 R)
• M11: 7,875,580 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 8.7

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.14 AU - 1.16 AU

Year: 851 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,413,119 km

• M1: 108,159 km (0.119 R)
• M2: 387,309 km (0.063 R)
• M3: 819,048 km (0.04 R)
• M4: 1,283,550 km (0.064 R)
• M5: 1,647,970 km (0.062 R)
• M6: 1,934,899 km (0.099 R)
• M7: 2,255,337 km (0.044 R)
• M8: 3,202,292 km (0.098 R)
• M9: 3,668,439 km (0.119 R)
• M10: 4,082,975 km (0.096 R)
• M11: 4,879,135 km (0.09 R)
• M12: 5,458,527 km (0.085 R)
• M13: 7,096,624 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.2

Radius: 9.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.19 AU - 1.57 AU

Year: 1119 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,413,119 km

• M1: 123,119 km (0.065 R)
• M2: 437,125 km (0.113 R)
• M3: 938,727 km (0.075 R)
• M4: 1,671,457 km (0.102 R)
• M5: 2,128,927 km (0.094 R)
• M6: 2,472,105 km (0.041 R)
• M7: 2,828,896 km (0.107 R)
• M8: 4,022,088 km (0.105 R)
• M9: 4,470,284 km (0.092 R)
• M10: 4,849,365 km (0.098 R)
• M11: 5,634,604 km (0.105 R)
• M12: 6,378,853 km (0.039 R)
• M13: 7,187,430 km (0.044 R)
• M14: 7,943,797 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.5

Radius: 11

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.94 AU - 3.28 AU

Year: 3786 Days

Day: 5.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 81.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,413,119 km

• M1: 144,512 km (0.078 R)
• M2: 528,529 km (0.075 R)
• M3: 910,752 km (0.078 R)
• M4: 1,325,736 km (0.083 R)
• M5: 2,374,567 km (0.089 R)
• M6: 2,740,932 km (0.039 R)
• M7: 3,362,212 km (0.112 R)
• M8: 5,614,857 km (0.112 R)
• M9: 6,243,168 km (0.092 R)
• M10: 8,764,191 km (0.094 R)
• M11: 11,001,577 km (0.096 R)
• M12: 11,380,060 km (0.072 R)
• M13: 11,723,686 km (0.115 R)
• M14: 12,163,055 km (0.067 R)
• M15: 12,796,751 km (0.117 R)
• M16: 14,080,900 km (0.058 R)
• M17: 15,292,792 km (0.12 R)
• M18: 15,817,731 km (0.06 R)
• M19: 17,070,912 km (0.03 R)
• M20: 18,038,810 km (0.093 R)
• M21: 18,982,923 km (0.085 R)
• M22: 20,271,708 km (0.1 R)
• M23: 21,162,713 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.2

Radius: 9.4

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.62 AU - 4.02 AU

Year: 4176 Days

Day: 6.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,413,119 km

• M1: 116,986 km (0.1 R)
• M2: 898,335 km (0.112 R)
• M3: 1,190,799 km (0.097 R)
• M4: 1,883,587 km (0.076 R)
• M5: 2,312,783 km (0.109 R)
• M6: 3,409,036 km (0.071 R)
• M7: 3,893,733 km (0.118 R)
• M8: 4,975,027 km (0.075 R)
• M9: 6,337,115 km (0.097 R)
• M10: 7,005,219 km (0.116 R)
• M11: 8,004,234 km (0.112 R)
• M12: 10,368,628 km (0.049 R)
• M13: 14,952,307 km (0.105 R)
• M14: 22,200,623 km (0.068 R)
• M15: 23,962,587 km (0.119 R)
• M16: 26,053,965 km (0.046 R)
• M17: 26,534,773 km (0.06 R)
• M18: 27,185,075 km (0.086 R)

Asteroid Belt

Center: 4.68 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.1

Radius: 5.5

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.86 AU - 6.22 AU

Year: 10246 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,413,119 km

• M1: 68,965 km (0.106 R)
• M2: 358,287 km (0.111 R)
• M3: 693,536 km (0.079 R)
• M4: 899,682 km (0.05 R)
• M5: 1,309,281 km (0.028 R)
• M6: 2,075,072 km (0.047 R)
• M7: 2,692,313 km (0.092 R)
• M8: 3,581,074 km (0.057 R)
• M9: 4,732,828 km (0.071 R)
• M10: 4,984,152 km (0.089 R)
• M11: 5,333,164 km (0.086 R)
• M12: 6,343,399 km (0.115 R)
• M13: 7,036,186 km (0.066 R)
• M14: 7,363,955 km (0.054 R)
• M15: 7,550,354 km (0.12 R)
• M16: 9,071,914 km (0.059 R)
• M17: 9,725,208 km (0.118 R)
• M18: 10,040,560 km (0.094 R)
• M19: 10,549,941 km (0.059 R)
• M20: 11,321,268 km (0.086 R)
• M21: 11,569,750 km (0.107 R)
• M22: 11,923,848 km (0.079 R)
• M23: 13,747,596 km (0.1 R)
• M24: 15,996,949 km (0.092 R)
• M25: 16,247,077 km (0.081 R)
• M26: 16,499,897 km (0.112 R)
• M27: 20,910,042 km (0.117 R)
• M28: 21,359,734 km (0.027 R)
• M29: 21,663,268 km (0.113 R)
• M30: 30,503,305 km (0.056 R)
• M31: 32,760,438 km (0.108 R)
• M32: 33,878,383 km (0.059 R)
• M33: 35,126,627 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.5

Radius: 4.8

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.54 AU - 11.58 AU

Year: 22025 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,413,119 km

• M1: 59,839 km (0.077 R)
• M2: 391,348 km (0.099 R)
• M3: 640,428 km (0.114 R)
• M4: 1,167,312 km (0.077 R)
• M5: 1,339,350 km (0.03 R)
• M6: 1,556,715 km (0.07 R)
• M7: 1,943,426 km (0.109 R)
• M8: 10,193,898 km (0.06 R)
• M9: 23,450,065 km (0.098 R)
• M10: 27,907,932 km (0.063 R)
• M11: 28,718,902 km (0.114 R)
• M12: 29,964,902 km (0.118 R)
• M13: 31,681,538 km (0.1 R)
• M14: 36,018,979 km (0.083 R)
• M15: 45,569,606 km (0.097 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: 509 - 17,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit