🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.5

Radius: 15

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.81 AU - 1.03 AU

Year: 579 Days

Day: 14.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,937,241 km

• M1: 186,549 km (0.088 R)
• M2: 815,608 km (0.03 R)
• M3: 1,535,772 km (0.038 R)
• M4: 2,265,959 km (0.064 R)
• M5: 3,003,327 km (0.072 R)
• M6: 3,634,630 km (0.1 R)
• M7: 4,187,843 km (0.095 R)
• M8: 5,306,087 km (0.08 R)
• M9: 5,850,922 km (0.105 R)
• M10: 6,533,837 km (0.088 R)
• M11: 7,204,334 km (0.093 R)
• M12: 7,759,941 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.5

Radius: 8.5

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.96 AU - 1.34 AU

Year: 809 Days

Day: 12.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,937,241 km

• M1: 105,766 km (0.082 R)
• M2: 406,457 km (0.088 R)
• M3: 886,367 km (0.116 R)
• M4: 1,413,401 km (0.095 R)
• M5: 1,766,152 km (0.079 R)
• M6: 2,378,457 km (0.069 R)
• M7: 2,881,405 km (0.049 R)
• M8: 3,341,717 km (0.119 R)
• M9: 3,819,832 km (0.052 R)
• M10: 4,244,391 km (0.099 R)
• M11: 4,700,215 km (0.051 R)
• M12: 5,473,636 km (0.115 R)
• M13: 6,372,271 km (0.105 R)
• M14: 7,271,504 km (0.095 R)
• M15: 8,564,029 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.7

Radius: 8.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.03 AU - 1.69 AU

Year: 1040 Days

Day: 10.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,937,241 km

• M1: 105,766 km (0.116 R)
• M2: 529,427 km (0.041 R)
• M3: 825,032 km (0.077 R)
• M4: 1,258,268 km (0.117 R)
• M5: 1,765,404 km (0.069 R)
• M6: 2,268,203 km (0.116 R)
• M7: 2,953,361 km (0.071 R)
• M8: 3,546,218 km (0.087 R)
• M9: 4,333,102 km (0.096 R)
• M10: 4,635,290 km (0.094 R)
• M11: 4,919,376 km (0.113 R)
• M12: 5,418,584 km (0.098 R)
• M13: 5,698,482 km (0.102 R)
• M14: 6,211,603 km (0.057 R)
• M15: 6,498,980 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.6

Radius: 13

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.24 AU - 1.58 AU

Year: 1098 Days

Day: 14.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,937,241 km

• M1: 162,014 km (0.12 R)
• M2: 591,211 km (0.038 R)
• M3: 1,111,063 km (0.114 R)
• M4: 1,685,519 km (0.063 R)
• M5: 2,185,625 km (0.117 R)
• M6: 2,721,335 km (0.099 R)
• M7: 3,229,369 km (0.09 R)
• M8: 5,068,376 km (0.11 R)
• M9: 5,907,321 km (0.078 R)
• M10: 6,349,083 km (0.113 R)
• M11: 7,151,077 km (0.101 R)
• M12: 7,835,188 km (0.12 R)
• M13: 10,183,576 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.1

Radius: 10.3

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.54 AU - 1.9 AU

Year: 1480 Days

Day: 13.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,937,241 km

• M1: 128,056 km (0.052 R)
• M2: 453,730 km (0.093 R)
• M3: 860,936 km (0.097 R)
• M4: 1,242,560 km (0.105 R)
• M5: 2,242,622 km (0.118 R)
• M6: 3,863,664 km (0.064 R)
• M7: 4,216,865 km (0.12 R)
• M8: 4,572,459 km (0.101 R)
• M9: 7,902,657 km (0.096 R)
• M10: 8,271,416 km (0.098 R)
• M11: 8,711,234 km (0.103 R)
• M12: 9,447,405 km (0.119 R)
• M13: 10,973,901 km (0.117 R)
• M14: 11,759,290 km (0.102 R)
• M15: 12,240,846 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644

Radius: 11.7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.39 AU - 4.45 AU

Year: 6096 Days

Day: 12 Hours

Environment

Temp: -205 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,937,241 km

• M1: 146,008 km (0.066 R)
• M2: 538,702 km (0.103 R)
• M3: 1,375,552 km (0.077 R)
• M4: 1,875,957 km (0.096 R)
• M5: 2,817,975 km (0.108 R)
• M6: 4,322,032 km (0.091 R)
• M7: 5,009,584 km (0.074 R)
• M8: 6,112,120 km (0.093 R)
• M9: 6,875,069 km (0.037 R)
• M10: 7,812,749 km (0.088 R)
• M11: 8,312,705 km (0.11 R)
• M12: 9,897,395 km (0.092 R)
• M13: 11,187,976 km (0.078 R)
• M14: 11,774,100 km (0.106 R)
• M15: 12,329,408 km (0.118 R)
• M16: 12,796,602 km (0.03 R)
• M17: 15,852,886 km (0.082 R)
• M18: 16,343,717 km (0.102 R)
• M19: 17,943,217 km (0.075 R)
• M20: 21,675,235 km (0.117 R)
• M21: 22,974,343 km (0.11 R)
• M22: 24,486,927 km (0.098 R)
• M23: 26,749,296 km (0.117 R)
• M24: 28,693,021 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 9.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.71 AU - 6.07 AU

Year: 8209 Days

Day: 9.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,937,241 km

• M1: 118,631 km (0.063 R)
• M2: 548,875 km (0.101 R)
• M3: 1,037,312 km (0.116 R)
• M4: 1,750,744 km (0.069 R)
• M5: 2,645,638 km (0.04 R)
• M6: 4,011,617 km (0.059 R)
• M7: 6,024,456 km (0.092 R)
• M8: 7,546,614 km (0.087 R)
• M9: 11,376,768 km (0.035 R)
• M10: 11,915,022 km (0.109 R)
• M11: 13,090,861 km (0.062 R)
• M12: 16,114,084 km (0.085 R)
• M13: 18,269,042 km (0.118 R)
• M14: 24,966,987 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.9

Radius: 3.3

Gravity: 85.76 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.01 AU - 7.55 AU

Year: 12886 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 62,937,241 km

• M1: 42,187 km (0.07 R)
• M2: 244,892 km (0.041 R)
• M3: 479,312 km (0.091 R)
• M4: 607,068 km (0.073 R)
• M5: 867,817 km (0.053 R)
• M6: 1,320,800 km (0.117 R)
• M7: 1,825,543 km (0.084 R)
• M8: 2,121,447 km (0.078 R)
• M9: 2,556,927 km (0.049 R)
• M10: 3,305,066 km (0.111 R)
• M11: 3,658,416 km (0.103 R)
• M12: 4,096,588 km (0.108 R)
• M13: 4,536,406 km (0.05 R)
• M14: 4,937,777 km (0.073 R)
• M15: 5,041,747 km (0.096 R)
• M16: 8,987,242 km (0.096 R)
• M17: 11,627,794 km (0.055 R)
• M18: 12,893,092 km (0.075 R)
• M19: 13,156,684 km (0.111 R)
• M20: 13,356,696 km (0.078 R)
• M21: 13,626,571 km (0.068 R)
• M22: 17,393,744 km (0.115 R)
• M23: 18,621,045 km (0.057 R)
• M24: 19,298,724 km (0.114 R)
• M25: 20,434,620 km (0.091 R)
• M26: 21,893,050 km (0.099 R)
• M27: 24,811,555 km (0.074 R)
• M28: 25,943,562 km (0.119 R)
• M29: 27,433,557 km (0.075 R)
• M30: 28,420,903 km (0.095 R)
• M31: 31,524,759 km (0.116 R)
• M32: 31,882,897 km (0.118 R)
• M33: 35,615,663 km (0.048 R)
• M34: 36,658,061 km (0.104 R)
• M35: 37,586,764 km (0.089 R)
• M36: 37,989,482 km (0.111 R)
• M37: 39,077,657 km (0.081 R)
• M38: 40,748,366 km (0.107 R)
• M39: 40,889,736 km (0.111 R)
• M40: 46,045,327 km (0.088 R)
• M41: 59,057,350 km (0.099 R)
• M42: 61,254,344 km (0.07 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 12,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit