🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.8

Radius: 8.6

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.68 AU - 0.76 AU

Year: 407 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,133,998 km

• M1: 110,104 km (0.069 R)
• M2: 377,735 km (0.101 R)
• M3: 662,120 km (0.068 R)
• M4: 1,245,701 km (0.084 R)
• M5: 1,878,949 km (0.086 R)
• M6: 2,209,860 km (0.104 R)
• M7: 2,609,735 km (0.112 R)
• M8: 2,990,312 km (0.085 R)
• M9: 3,335,584 km (0.114 R)
• M10: 3,745,931 km (0.108 R)
• M11: 4,316,647 km (0.083 R)
• M12: 4,713,380 km (0.097 R)
• M13: 5,231,138 km (0.072 R)
• M14: 5,546,042 km (0.1 R)
• M15: 5,873,811 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.8

Radius: 11.2

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.17 AU - 1.37 AU

Year: 954 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,133,998 km

• M1: 140,323 km (0.114 R)
• M2: 495,169 km (0.078 R)
• M3: 911,949 km (0.083 R)
• M4: 1,351,617 km (0.112 R)
• M5: 1,913,506 km (0.111 R)
• M6: 3,078,724 km (0.052 R)
• M7: 3,582,420 km (0.044 R)
• M8: 3,932,629 km (0.054 R)
• M9: 4,992,979 km (0.034 R)
• M10: 5,895,951 km (0.096 R)
• M11: 6,299,417 km (0.108 R)
• M12: 7,846,708 km (0.113 R)
• M13: 8,362,072 km (0.111 R)
• M14: 8,954,929 km (0.107 R)
• M15: 9,896,647 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.8

Radius: 8.3

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.21 AU - 1.35 AU

Year: 966 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,133,998 km

• M1: 103,223 km (0.106 R)
• M2: 449,392 km (0.105 R)
• M3: 746,344 km (0.111 R)
• M4: 1,036,414 km (0.1 R)
• M5: 1,339,948 km (0.085 R)
• M6: 2,035,728 km (0.09 R)
• M7: 2,768,458 km (0.112 R)
• M8: 3,245,675 km (0.078 R)
• M9: 4,690,043 km (0.11 R)
• M10: 6,112,569 km (0.057 R)
• M11: 6,731,306 km (0.118 R)
• M12: 9,540,455 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 10.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.34 AU - 1.38 AU

Year: 1058 Days

Day: 11.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,133,998 km

• M1: 135,835 km (0.1 R)
• M2: 482,453 km (0.115 R)
• M3: 1,083,986 km (0.097 R)
• M4: 1,582,297 km (0.083 R)
• M5: 2,432,910 km (0.1 R)
• M6: 2,809,897 km (0.066 R)
• M7: 3,165,790 km (0.07 R)
• M8: 3,817,738 km (0.12 R)
• M9: 4,823,783 km (0.105 R)
• M10: 5,167,858 km (0.031 R)
• M11: 6,358,209 km (0.092 R)
• M12: 6,935,656 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.4

Radius: 8

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.56 AU - 2.58 AU

Year: 2747 Days

Day: 6.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,133,998 km

• M1: 99,483 km (0.025 R)
• M2: 350,209 km (0.087 R)
• M3: 867,518 km (0.118 R)
• M4: 1,396,646 km (0.075 R)
• M5: 1,751,492 km (0.097 R)
• M6: 2,095,866 km (0.064 R)
• M7: 3,272,005 km (0.1 R)
• M8: 3,887,600 km (0.099 R)
• M9: 6,118,403 km (0.112 R)
• M10: 6,960,639 km (0.116 R)
• M11: 7,304,415 km (0.116 R)
• M12: 8,662,913 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.7

Radius: 13.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2 AU - 3.16 AU

Year: 2763 Days

Day: 6.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,133,998 km

• M1: 167,849 km (0.032 R)
• M2: 837,748 km (0.108 R)
• M3: 1,328,429 km (0.084 R)
• M4: 2,654,764 km (0.072 R)
• M5: 3,400,360 km (0.07 R)
• M6: 6,126,631 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.8

Radius: 14.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.55 AU - 3.31 AU

Year: 3344 Days

Day: 14.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,133,998 km

• M1: 185,352 km (0.118 R)
• M2: 688,300 km (0.092 R)
• M3: 1,688,810 km (0.101 R)
• M4: 2,299,319 km (0.101 R)
• M5: 3,090,991 km (0.078 R)
• M6: 5,071,218 km (0.085 R)
• M7: 7,693,519 km (0.04 R)
• M8: 9,545,092 km (0.102 R)
• M9: 11,722,639 km (0.115 R)
• M10: 12,857,488 km (0.114 R)
• M11: 13,475,926 km (0.097 R)
• M12: 14,114,110 km (0.094 R)
• M13: 20,350,696 km (0.082 R)
• M14: 22,943,227 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.8

Radius: 3

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.68 AU - 8.94 AU

Year: 13180 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,133,998 km

• M1: 37,699 km (0.074 R)
• M2: 239,057 km (0.115 R)
• M3: 433,684 km (0.033 R)
• M4: 528,529 km (0.109 R)
• M5: 676,781 km (0.077 R)
• M6: 876,344 km (0.108 R)
• M7: 1,030,131 km (0.093 R)
• M8: 1,380,639 km (0.075 R)
• M9: 1,638,545 km (0.119 R)
• M10: 1,779,018 km (0.101 R)
• M11: 2,280,021 km (0.072 R)
• M12: 2,674,062 km (0.1 R)
• M13: 3,228,023 km (0.09 R)
• M14: 3,387,943 km (0.1 R)
• M15: 4,150,144 km (0.086 R)
• M16: 6,004,410 km (0.092 R)
• M17: 6,749,557 km (0.116 R)
• M18: 10,391,517 km (0.103 R)
• M19: 11,051,244 km (0.083 R)
• M20: 12,747,833 km (0.1 R)
• M21: 13,554,614 km (0.115 R)
• M22: 13,761,508 km (0.093 R)
• M23: 22,982,571 km (0.037 R)
• M24: 27,168,619 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.6

Radius: 3.6

Gravity: 66.79 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.35 AU - 10.11 AU

Year: 15745 Days

Day: 19.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,133,998 km

• M1: 44,730 km (0.099 R)
• M2: 195,225 km (0.079 R)
• M3: 315,951 km (0.057 R)
• M4: 474,375 km (0.114 R)
• M5: 897,587 km (0.091 R)
• M6: 1,050,476 km (0.097 R)
• M7: 1,349,074 km (0.095 R)
• M8: 1,534,425 km (0.06 R)
• M9: 3,287,712 km (0.084 R)
• M10: 5,312,071 km (0.078 R)
• M11: 7,091,837 km (0.057 R)
• M12: 10,538,572 km (0.117 R)
• M13: 11,390,681 km (0.045 R)
• M14: 13,790,829 km (0.094 R)
• M15: 14,004,904 km (0.075 R)
• M16: 17,238,611 km (0.065 R)
• M17: 21,030,768 km (0.087 R)
• M18: 24,085,407 km (0.12 R)
• M19: 28,102,558 km (0.032 R)
• M20: 29,850,909 km (0.099 R)
• M21: 38,407,608 km (0.03 R)
• M22: 42,634,196 km (0.119 R)
• M23: 44,625,494 km (0.1 R)
• M24: 50,124,711 km (0.092 R)
• M25: 50,461,606 km (0.116 R)
• M26: 51,481,265 km (0.078 R)
• M27: 56,603,646 km (0.106 R)
• M28: 58,074,193 km (0.088 R)
• M29: 58,445,794 km (0.115 R)
• M30: 62,833,649 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: 505 - 11,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit