🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.9

Radius: 14.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.83 AU - 1.25 AU

Year: 674 Days

Day: 13.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,873,695 km

• M1: 182,809 km (0.033 R)
• M2: 714,629 km (0.115 R)
• M3: 1,228,498 km (0.106 R)
• M4: 2,523,267 km (0.068 R)
• M5: 4,746,591 km (0.101 R)
• M6: 5,560,553 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.4

Radius: 14.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.25 AU - 1.27 AU

Year: 899 Days

Day: 9.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,873,695 km

• M1: 181,612 km (0.109 R)
• M2: 749,186 km (0.078 R)
• M3: 1,223,262 km (0.115 R)
• M4: 1,753,287 km (0.053 R)
• M5: 2,272,541 km (0.093 R)
• M6: 2,963,384 km (0.08 R)
• M7: 3,461,096 km (0.078 R)
• M8: 4,043,481 km (0.049 R)
• M9: 4,580,836 km (0.119 R)
• M10: 7,206,429 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.5

Radius: 12.8

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.05 AU - 3.35 AU

Year: 2821 Days

Day: 6.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,873,695 km

• M1: 178,769 km (0.073 R)
• M2: 743,801 km (0.081 R)
• M3: 1,275,621 km (0.088 R)
• M4: 1,822,252 km (0.094 R)
• M5: 2,538,526 km (0.058 R)
• M6: 2,937,803 km (0.09 R)
• M7: 4,094,344 km (0.082 R)
• M8: 4,533,563 km (0.077 R)
• M9: 5,102,484 km (0.095 R)
• M10: 5,507,894 km (0.098 R)
• M11: 6,100,601 km (0.097 R)
• M12: 6,617,013 km (0.105 R)
• M13: 7,069,547 km (0.059 R)
• M14: 7,770,712 km (0.085 R)
• M15: 8,447,941 km (0.087 R)
• M16: 10,393,910 km (0.103 R)
• M17: 11,993,860 km (0.079 R)
• M18: 13,511,829 km (0.071 R)
• M19: 14,292,281 km (0.102 R)
• M20: 16,158,365 km (0.117 R)
• M21: 16,594,144 km (0.116 R)
• M22: 17,206,149 km (0.112 R)
• M23: 18,357,604 km (0.082 R)
• M24: 21,657,134 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 9.1

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.6 AU - 4.78 AU

Year: 5453 Days

Day: 15 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,873,695 km

• M1: 114,293 km (0.036 R)
• M2: 518,506 km (0.077 R)
• M3: 873,951 km (0.077 R)
• M4: 1,487,302 km (0.088 R)
• M5: 2,168,870 km (0.066 R)
• M6: 3,292,051 km (0.072 R)
• M7: 3,619,969 km (0.12 R)
• M8: 4,017,900 km (0.036 R)
• M9: 4,576,199 km (0.096 R)
• M10: 6,231,649 km (0.052 R)
• M11: 6,701,237 km (0.091 R)
• M12: 7,122,355 km (0.1 R)
• M13: 7,673,473 km (0.097 R)
• M14: 8,332,302 km (0.11 R)
• M15: 9,325,782 km (0.058 R)
• M16: 9,806,739 km (0.118 R)
• M17: 10,535,879 km (0.106 R)
• M18: 12,727,039 km (0.118 R)
• M19: 13,929,357 km (0.103 R)
• M20: 15,205,726 km (0.105 R)
• M21: 15,506,268 km (0.07 R)
• M22: 16,244,085 km (0.108 R)
• M23: 18,529,641 km (0.037 R)
• M24: 19,784,917 km (0.112 R)
• M25: 20,799,789 km (0.03 R)
• M26: 22,309,231 km (0.1 R)
• M27: 28,621,513 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.3

Radius: 10

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.63 AU - 5.27 AU

Year: 7002 Days

Day: 12 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,873,695 km

• M1: 127,457 km (0.118 R)
• M2: 510,278 km (0.093 R)
• M3: 2,072,080 km (0.104 R)
• M4: 3,855,436 km (0.072 R)
• M5: 4,241,848 km (0.113 R)
• M6: 6,429,268 km (0.047 R)
• M7: 7,419,755 km (0.088 R)
• M8: 8,652,292 km (0.051 R)
• M9: 9,546,738 km (0.074 R)
• M10: 10,791,691 km (0.116 R)
• M11: 11,301,521 km (0.086 R)
• M12: 12,975,521 km (0.099 R)
• M13: 13,896,595 km (0.058 R)
• M14: 15,599,019 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.3

Radius: 4.7

Gravity: 44.15 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.96 AU - 9 AU

Year: 13007 Days

Day: 24.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,873,695 km

• M1: 59,839 km (0.107 R)
• M2: 216,468 km (0.044 R)
• M3: 408,402 km (0.12 R)
• M4: 705,354 km (0.101 R)
• M5: 860,038 km (0.079 R)
• M6: 1,037,611 km (0.064 R)
• M7: 2,493,647 km (0.079 R)
• M8: 3,866,507 km (0.076 R)
• M9: 4,580,836 km (0.099 R)
• M10: 6,723,527 km (0.099 R)
• M11: 8,929,646 km (0.099 R)
• M12: 13,513,026 km (0.067 R)
• M13: 13,717,975 km (0.116 R)
• M14: 18,098,350 km (0.039 R)
• M15: 24,421,254 km (0.089 R)
• M16: 25,652,893 km (0.071 R)
• M17: 31,830,238 km (0.119 R)
• M18: 37,432,529 km (0.079 R)
• M19: 40,182,886 km (0.086 R)
• M20: 40,890,932 km (0.064 R)
• M21: 44,105,491 km (0.107 R)
• M22: 46,701,912 km (0.103 R)
• M23: 57,211,162 km (0.059 R)
• M24: 59,742,807 km (0.038 R)
• M25: 63,870,512 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.3

Radius: 4.5

Gravity: 37.15 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.74 AU - 9.46 AU

Year: 13322 Days

Day: 18.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,873,695 km

• M1: 57,446 km (0.089 R)
• M2: 459,864 km (0.092 R)
• M3: 1,119,441 km (0.107 R)
• M4: 1,719,927 km (0.083 R)
• M5: 1,907,822 km (0.119 R)
• M6: 2,490,954 km (0.095 R)
• M7: 2,823,660 km (0.12 R)
• M8: 3,036,986 km (0.045 R)
• M9: 3,659,164 km (0.062 R)
• M10: 5,186,259 km (0.115 R)
• M11: 6,712,756 km (0.057 R)
• M12: 7,533,150 km (0.105 R)
• M13: 8,961,511 km (0.038 R)
• M14: 9,846,233 km (0.082 R)
• M15: 10,617,260 km (0.077 R)
• M16: 10,844,798 km (0.106 R)
• M17: 11,606,850 km (0.083 R)
• M18: 12,466,589 km (0.088 R)
• M19: 14,174,697 km (0.053 R)
• M20: 18,864,591 km (0.116 R)
• M21: 20,398,118 km (0.101 R)
• M22: 22,012,728 km (0.088 R)
• M23: 22,569,382 km (0.094 R)
• M24: 22,945,621 km (0.084 R)
• M25: 27,578,068 km (0.063 R)
• M26: 28,881,515 km (0.111 R)
• M27: 29,885,765 km (0.109 R)
• M28: 31,376,957 km (0.055 R)
• M29: 35,383,636 km (0.111 R)
• M30: 35,764,064 km (0.111 R)
• M31: 36,147,034 km (0.102 R)
• M32: 37,706,592 km (0.067 R)
• M33: 38,502,902 km (0.109 R)
• M34: 42,510,479 km (0.037 R)
• M35: 48,015,681 km (0.102 R)
• M36: 51,504,303 km (0.07 R)
• M37: 57,921,304 km (0.114 R)
• M38: 59,694,487 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 12,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit