🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 11.1

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.62 AU - 0.74 AU

Year: 357 Days

Day: 9.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,000,554 km

• M1: 138,528 km (0.085 R)
• M2: 491,579 km (0.097 R)
• M3: 905,067 km (0.077 R)
• M4: 2,135,659 km (0.026 R)
• M5: 2,518,331 km (0.032 R)
• M6: 2,881,405 km (0.075 R)
• M7: 3,300,129 km (0.076 R)
• M8: 3,736,955 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.8

Radius: 13.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.59 AU - 0.93 AU

Year: 421 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,000,554 km

• M1: 162,912 km (0.096 R)
• M2: 687,851 km (0.119 R)
• M3: 1,139,637 km (0.082 R)
• M4: 1,603,540 km (0.081 R)
• M5: 2,388,180 km (0.097 R)
• M6: 2,821,416 km (0.117 R)
• M7: 3,718,255 km (0.077 R)
• M8: 4,233,769 km (0.092 R)
• M9: 4,766,039 km (0.059 R)
• M10: 5,683,074 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 12.3

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.92 AU - 1.42 AU

Year: 805 Days

Day: 14.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,000,554 km

• M1: 153,039 km (0.096 R)
• M2: 587,172 km (0.098 R)
• M3: 1,068,428 km (0.069 R)
• M4: 1,543,700 km (0.079 R)
• M5: 1,940,883 km (0.114 R)
• M6: 2,354,222 km (0.068 R)
• M7: 2,755,593 km (0.096 R)
• M8: 3,486,229 km (0.114 R)
• M9: 5,522,106 km (0.115 R)
• M10: 6,641,697 km (0.114 R)
• M11: 7,175,312 km (0.088 R)
• M12: 7,906,995 km (0.106 R)
• M13: 8,844,525 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.8

Radius: 14.4

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.1 AU - 1.26 AU

Year: 815 Days

Day: 9.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,000,554 km

• M1: 179,218 km (0.067 R)
• M2: 634,295 km (0.107 R)
• M3: 1,199,027 km (0.119 R)
• M4: 1,729,202 km (0.119 R)
• M5: 2,312,185 km (0.1 R)
• M6: 3,486,977 km (0.082 R)
• M7: 4,111,099 km (0.103 R)
• M8: 4,637,983 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.1

Radius: 8.9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.13 AU - 1.39 AU

Year: 899 Days

Day: 12.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,000,554 km

• M1: 111,002 km (0.032 R)
• M2: 395,088 km (0.114 R)
• M3: 927,656 km (0.111 R)
• M4: 1,268,889 km (0.118 R)
• M5: 1,812,079 km (0.066 R)
• M6: 2,492,450 km (0.118 R)
• M7: 2,808,700 km (0.087 R)
• M8: 3,619,670 km (0.084 R)
• M9: 3,996,956 km (0.071 R)
• M10: 4,464,748 km (0.084 R)
• M11: 4,830,515 km (0.109 R)
• M12: 5,343,486 km (0.065 R)
• M13: 6,646,185 km (0.072 R)
• M14: 7,057,728 km (0.109 R)
• M15: 7,555,440 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.1

Radius: 8.1

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.73 AU - 2.07 AU

Year: 1665 Days

Day: 12.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,000,554 km

• M1: 100,679 km (0.05 R)
• M2: 361,129 km (0.061 R)
• M3: 736,321 km (0.085 R)
• M4: 1,225,506 km (0.034 R)
• M5: 1,565,841 km (0.117 R)
• M6: 1,979,030 km (0.051 R)
• M7: 2,415,258 km (0.061 R)
• M8: 2,860,162 km (0.108 R)
• M9: 3,464,986 km (0.118 R)
• M10: 3,765,378 km (0.087 R)
• M11: 4,436,923 km (0.053 R)
• M12: 4,966,500 km (0.059 R)
• M13: 6,151,764 km (0.05 R)
• M14: 7,751,862 km (0.094 R)
• M15: 8,981,407 km (0.113 R)
• M16: 9,308,129 km (0.088 R)
• M17: 10,761,024 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.8

Radius: 12.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.59 AU - 2.39 AU

Year: 1785 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,000,554 km

• M1: 305,778 km (0.083 R)
• M2: 790,774 km (0.069 R)
• M3: 1,276,070 km (0.117 R)
• M4: 2,164,980 km (0.052 R)
• M5: 2,644,142 km (0.095 R)
• M6: 3,698,359 km (0.077 R)
• M7: 4,274,610 km (0.073 R)
• M8: 5,078,698 km (0.118 R)
• M9: 9,016,413 km (0.069 R)
• M10: 9,695,139 km (0.085 R)
• M11: 10,166,372 km (0.119 R)
• M12: 11,747,921 km (0.098 R)
• M13: 14,247,103 km (0.085 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 9.1

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.39 AU - 6.41 AU

Year: 9112 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,000,554 km

• M1: 113,246 km (0.029 R)
• M2: 401,371 km (0.118 R)
• M3: 1,486,255 km (0.098 R)
• M4: 1,796,670 km (0.058 R)
• M5: 2,082,851 km (0.096 R)
• M6: 2,474,648 km (0.089 R)
• M7: 3,478,450 km (0.065 R)
• M8: 3,927,692 km (0.09 R)
• M9: 7,893,232 km (0.094 R)
• M10: 9,216,725 km (0.089 R)
• M11: 10,837,169 km (0.089 R)
• M12: 11,907,093 km (0.117 R)
• M13: 15,804,117 km (0.109 R)
• M14: 16,208,181 km (0.033 R)
• M15: 16,966,792 km (0.097 R)
• M16: 18,480,573 km (0.077 R)
• M17: 19,848,047 km (0.056 R)
• M18: 20,796,498 km (0.056 R)
• M19: 22,107,573 km (0.106 R)
• M20: 22,528,392 km (0.098 R)
• M21: 23,910,976 km (0.101 R)
• M22: 24,623,062 km (0.067 R)
• M23: 25,717,669 km (0.105 R)
• M24: 27,710,762 km (0.11 R)
• M25: 28,894,679 km (0.072 R)
• M26: 30,525,446 km (0.087 R)
• M27: 31,575,174 km (0.093 R)
• M28: 37,903,164 km (0.06 R)
• M29: 38,749,140 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.2

Radius: 4.8

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.94 AU - 8.48 AU

Year: 12309 Days

Day: 24.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,000,554 km

• M1: 59,839 km (0.083 R)
• M2: 244,293 km (0.108 R)
• M3: 478,564 km (0.078 R)
• M4: 719,865 km (0.11 R)
• M5: 935,735 km (0.097 R)
• M6: 1,109,867 km (0.043 R)
• M7: 1,271,432 km (0.112 R)
• M8: 1,767,050 km (0.104 R)
• M9: 2,082,702 km (0.11 R)
• M10: 2,330,585 km (0.109 R)
• M11: 2,710,265 km (0.059 R)
• M12: 3,214,858 km (0.059 R)
• M13: 3,366,850 km (0.113 R)
• M14: 3,998,601 km (0.062 R)
• M15: 4,277,452 km (0.102 R)
• M16: 5,341,392 km (0.076 R)
• M17: 6,467,415 km (0.058 R)
• M18: 6,816,277 km (0.114 R)
• M19: 7,589,399 km (0.11 R)
• M20: 8,056,743 km (0.086 R)
• M21: 11,024,017 km (0.08 R)
• M22: 12,033,952 km (0.071 R)
• M23: 12,776,705 km (0.115 R)
• M24: 14,470,153 km (0.065 R)
• M25: 14,766,207 km (0.086 R)
• M26: 15,006,013 km (0.114 R)
• M27: 17,817,705 km (0.103 R)
• M28: 19,706,378 km (0.095 R)
• M29: 19,997,047 km (0.118 R)
• M30: 21,340,735 km (0.046 R)
• M31: 23,958,398 km (0.094 R)
• M32: 24,623,660 km (0.077 R)
• M33: 34,113,401 km (0.099 R)
• M34: 35,274,131 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.6

Radius: 6.7

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.76 AU - 10.32 AU

Year: 15868 Days

Day: 21.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 110.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,000,554 km

• M1: 83,924 km (0.104 R)
• M2: 333,304 km (0.108 R)
• M3: 548,426 km (0.069 R)
• M4: 943,065 km (0.085 R)
• M5: 1,223,860 km (0.06 R)
• M6: 1,766,601 km (0.095 R)
• M7: 2,763,970 km (0.107 R)
• M8: 3,167,735 km (0.029 R)
• M9: 3,804,124 km (0.04 R)
• M10: 4,522,493 km (0.098 R)
• M11: 4,913,991 km (0.064 R)
• M12: 11,063,211 km (0.113 R)
• M13: 11,593,386 km (0.098 R)
• M14: 12,264,333 km (0.089 R)
• M15: 13,885,076 km (0.078 R)
• M16: 14,363,340 km (0.071 R)
• M17: 15,790,205 km (0.045 R)
• M18: 17,545,287 km (0.087 R)
• M19: 19,257,584 km (0.103 R)
• M20: 19,681,245 km (0.1 R)
• M21: 20,989,329 km (0.086 R)
• M22: 24,264,924 km (0.086 R)
• M23: 26,075,358 km (0.06 R)
• M24: 32,878,620 km (0.103 R)
• M25: 35,217,433 km (0.09 R)
• M26: 37,010,064 km (0.11 R)
• M27: 39,675,150 km (0.074 R)
• M28: 41,474,514 km (0.034 R)
• M29: 41,897,427 km (0.069 R)
• M30: 43,908,770 km (0.074 R)
• M31: 44,790,051 km (0.104 R)
• M32: 45,983,543 km (0.082 R)
• M33: 52,434,353 km (0.114 R)
• M34: 52,928,774 km (0.113 R)
• M35: 58,397,324 km (0.11 R)
• M36: 58,928,546 km (0.059 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 13,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit