🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.8

Radius: 11.6

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.61 AU - 0.85 AU

Year: 438 Days

Day: 8.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,829,046 km

• M1: 144,212 km (0.06 R)
• M2: 557,850 km (0.118 R)
• M3: 1,054,067 km (0.096 R)
• M4: 1,426,565 km (0.111 R)
• M5: 1,833,771 km (0.027 R)
• M6: 2,710,265 km (0.099 R)
• M7: 3,665,597 km (0.11 R)
• M8: 4,200,259 km (0.097 R)
• M9: 5,083,784 km (0.112 R)
• M10: 5,681,129 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 8.5

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.63 AU - 1.87 AU

Year: 1627 Days

Day: 12.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,829,046 km

• M1: 106,065 km (0.073 R)
• M2: 382,372 km (0.034 R)
• M3: 887,115 km (0.055 R)
• M4: 1,373,308 km (0.089 R)
• M5: 1,706,313 km (0.081 R)
• M6: 2,103,944 km (0.105 R)
• M7: 3,202,442 km (0.095 R)
• M8: 3,712,421 km (0.12 R)
• M9: 5,921,981 km (0.077 R)
• M10: 6,715,149 km (0.074 R)
• M11: 9,065,781 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 9.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.99 AU - 2.25 AU

Year: 2170 Days

Day: 11.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,829,046 km

• M1: 118,182 km (0.105 R)
• M2: 423,063 km (0.092 R)
• M3: 785,838 km (0.099 R)
• M4: 1,300,305 km (0.098 R)
• M5: 2,975,352 km (0.077 R)
• M6: 3,574,342 km (0.085 R)
• M7: 3,911,984 km (0.083 R)
• M8: 5,011,977 km (0.116 R)
• M9: 5,459,275 km (0.048 R)
• M10: 6,881,951 km (0.095 R)
• M11: 9,374,102 km (0.098 R)
• M12: 11,248,413 km (0.053 R)
• M13: 11,666,839 km (0.08 R)
• M14: 14,133,857 km (0.119 R)
• M15: 15,350,088 km (0.112 R)
• M16: 15,959,849 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.9

Radius: 11.6

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.38 AU - 2.68 AU

Year: 2829 Days

Day: 9 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,829,046 km

• M1: 146,905 km (0.105 R)
• M2: 618,138 km (0.063 R)
• M3: 2,458,043 km (0.105 R)
• M4: 3,036,238 km (0.064 R)
• M5: 4,484,795 km (0.114 R)
• M6: 4,885,567 km (0.112 R)
• M7: 6,685,978 km (0.094 R)
• M8: 7,980,448 km (0.099 R)
• M9: 8,428,194 km (0.109 R)
• M10: 8,951,787 km (0.115 R)
• M11: 10,587,490 km (0.111 R)
• M12: 11,867,150 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.2

Radius: 6.6

Gravity: 21.06 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.05 AU - 7.49 AU

Year: 13779 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,829,046 km

• M1: 85,420 km (0.072 R)
• M2: 1,054,665 km (0.115 R)
• M3: 1,626,578 km (0.116 R)
• M4: 2,124,140 km (0.117 R)
• M5: 2,604,948 km (0.103 R)
• M6: 2,811,991 km (0.105 R)
• M7: 3,364,755 km (0.097 R)
• M8: 3,638,968 km (0.114 R)
• M9: 4,326,670 km (0.109 R)
• M10: 4,853,853 km (0.118 R)
• M11: 5,240,563 km (0.114 R)
• M12: 5,762,211 km (0.119 R)
• M13: 6,822,261 km (0.035 R)
• M14: 7,173,068 km (0.059 R)
• M15: 8,200,207 km (0.069 R)
• M16: 11,928,934 km (0.084 R)
• M17: 12,309,661 km (0.107 R)
• M18: 15,131,974 km (0.102 R)
• M19: 16,497,055 km (0.091 R)
• M20: 20,086,805 km (0.118 R)
• M21: 22,205,410 km (0.102 R)
• M22: 26,237,073 km (0.042 R)
• M23: 27,866,792 km (0.065 R)
• M24: 30,612,811 km (0.042 R)
• M25: 33,785,632 km (0.062 R)
• M26: 35,843,351 km (0.066 R)
• M27: 37,983,049 km (0.097 R)
• M28: 43,852,073 km (0.064 R)
• M29: 50,627,360 km (0.101 R)
• M30: 59,528,284 km (0.114 R)
• M31: 64,443,023 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.6

Radius: 4.9

Gravity: 18.27 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.16 AU - 9.44 AU

Year: 19936 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 42,829,046 km

• M1: 60,886 km (0.038 R)
• M2: 240,404 km (0.092 R)
• M3: 553,213 km (0.066 R)
• M4: 738,265 km (0.045 R)
• M5: 1,183,768 km (0.095 R)
• M6: 1,376,600 km (0.088 R)
• M7: 1,638,994 km (0.112 R)
• M8: 1,843,943 km (0.047 R)
• M9: 2,243,669 km (0.116 R)
• M10: 3,035,640 km (0.056 R)
• M11: 3,508,668 km (0.085 R)
• M12: 3,676,816 km (0.099 R)
• M13: 4,276,704 km (0.104 R)
• M14: 5,822,349 km (0.088 R)
• M15: 6,424,780 km (0.115 R)
• M16: 9,575,760 km (0.117 R)
• M17: 11,057,527 km (0.033 R)
• M18: 11,915,770 km (0.093 R)
• M19: 17,360,982 km (0.11 R)
• M20: 17,768,337 km (0.082 R)
• M21: 19,287,803 km (0.1 R)
• M22: 21,167,351 km (0.094 R)
• M23: 24,059,377 km (0.119 R)
• M24: 25,915,138 km (0.042 R)
• M25: 29,792,865 km (0.041 R)
• M26: 32,541,127 km (0.103 R)
• M27: 36,772,653 km (0.104 R)
• M28: 41,791,362 km (0.096 R)
• M29: 45,996,409 km (0.114 R)
• M30: 52,989,660 km (0.119 R)
• M31: 54,191,230 km (0.108 R)
• M32: 61,973,312 km (0.099 R)
• M33: 62,162,702 km (0.081 R)
• M34: 62,923,856 km (0.079 R)
• M35: 63,691,293 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.4

Radius: 6.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.02 AU - 10.56 AU

Year: 21532 Days

Day: 17.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,829,046 km

• M1: 79,586 km (0.101 R)
• M2: 586,274 km (0.064 R)
• M3: 1,079,648 km (0.112 R)
• M4: 1,533,528 km (0.06 R)
• M5: 2,774,741 km (0.084 R)
• M6: 3,134,973 km (0.074 R)
• M7: 6,589,188 km (0.106 R)
• M8: 9,221,512 km (0.111 R)
• M9: 12,651,342 km (0.082 R)
• M10: 14,184,272 km (0.079 R)
• M11: 14,554,975 km (0.082 R)
• M12: 14,995,391 km (0.115 R)
• M13: 16,236,007 km (0.052 R)
• M14: 19,068,642 km (0.06 R)
• M15: 22,714,342 km (0.1 R)
• M16: 23,736,545 km (0.112 R)
• M17: 39,946,671 km (0.097 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 19,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit