🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.3

Radius: 9.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.45 AU - 0.69 AU

Year: 302 Days

Day: 6.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,750,280 km

• M1: 116,986 km (0.08 R)
• M2: 416,181 km (0.071 R)
• M3: 720,763 km (0.055 R)
• M4: 1,124,976 km (0.112 R)
• M5: 1,557,763 km (0.113 R)
• M6: 2,511,449 km (0.059 R)
• M7: 2,821,416 km (0.107 R)
• M8: 3,212,165 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.3

Radius: 11.5

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.64 AU - 0.64 AU

Year: 360 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,750,280 km

• M1: 143,464 km (0.065 R)
• M2: 543,339 km (0.032 R)
• M3: 1,106,276 km (0.093 R)
• M4: 1,506,301 km (0.091 R)
• M5: 1,930,561 km (0.091 R)
• M6: 2,317,421 km (0.112 R)
• M7: 2,831,588 km (0.106 R)
• M8: 3,198,702 km (0.073 R)
• M9: 3,597,679 km (0.096 R)
• M10: 4,380,076 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 14.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.75 AU - 0.89 AU

Year: 522 Days

Day: 6.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,750,280 km

• M1: 182,958 km (0.038 R)
• M2: 666,459 km (0.089 R)
• M3: 1,213,388 km (0.112 R)
• M4: 1,783,506 km (0.048 R)
• M5: 2,334,475 km (0.094 R)
• M6: 3,092,188 km (0.087 R)
• M7: 3,654,377 km (0.027 R)
• M8: 4,434,230 km (0.085 R)
• M9: 5,152,899 km (0.117 R)
• M10: 5,874,409 km (0.116 R)
• M11: 6,622,698 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.4

Radius: 12.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1 AU - 1.36 AU

Year: 901 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,750,280 km

• M1: 159,172 km (0.106 R)
• M2: 698,921 km (0.115 R)
• M3: 1,145,321 km (0.036 R)
• M4: 1,576,313 km (0.095 R)
• M5: 2,019,272 km (0.071 R)
• M6: 2,478,089 km (0.09 R)
• M7: 2,905,191 km (0.059 R)
• M8: 3,624,756 km (0.058 R)
• M9: 4,293,309 km (0.052 R)
• M10: 5,024,394 km (0.042 R)
• M11: 5,675,594 km (0.103 R)
• M12: 6,275,032 km (0.096 R)
• M13: 7,479,894 km (0.096 R)
• M14: 8,150,242 km (0.05 R)
• M15: 8,779,450 km (0.107 R)
• M16: 9,497,520 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.2

Radius: 13.6

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.64 AU - 2.36 AU

Year: 1988 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,750,280 km

• M1: 180,714 km (0.057 R)
• M2: 751,131 km (0.071 R)
• M3: 1,653,206 km (0.1 R)
• M4: 2,151,666 km (0.114 R)
• M5: 3,740,695 km (0.119 R)
• M6: 4,697,672 km (0.085 R)
• M7: 5,360,541 km (0.098 R)
• M8: 7,322,217 km (0.058 R)
• M9: 8,850,210 km (0.068 R)
• M10: 9,517,716 km (0.073 R)
• M11: 12,988,386 km (0.082 R)
• M12: 14,028,391 km (0.072 R)
• M13: 14,706,219 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.1

Radius: 11.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.21 AU - 4.31 AU

Year: 6180 Days

Day: 12.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,750,280 km

• M1: 146,756 km (0.101 R)
• M2: 592,557 km (0.083 R)
• M3: 1,166,265 km (0.092 R)
• M4: 1,684,472 km (0.081 R)
• M5: 2,056,372 km (0.074 R)
• M6: 2,823,211 km (0.09 R)
• M7: 3,674,124 km (0.063 R)
• M8: 4,117,831 km (0.115 R)
• M9: 4,711,585 km (0.1 R)
• M10: 5,187,456 km (0.068 R)
• M11: 7,142,550 km (0.102 R)
• M12: 9,848,626 km (0.11 R)
• M13: 13,408,158 km (0.068 R)
• M14: 14,075,065 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880

Radius: 6.8

Gravity: 19.03 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.88 AU - 12.12 AU

Year: 22228 Days

Day: 16.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,750,280 km

• M1: 85,271 km (0.11 R)
• M2: 312,510 km (0.088 R)
• M3: 1,341,145 km (0.087 R)
• M4: 2,360,804 km (0.113 R)
• M5: 2,935,858 km (0.097 R)
• M6: 4,221,353 km (0.094 R)
• M7: 5,105,027 km (0.066 R)
• M8: 7,586,108 km (0.11 R)
• M9: 11,777,092 km (0.093 R)
• M10: 13,136,039 km (0.087 R)
• M11: 13,814,765 km (0.096 R)
• M12: 17,654,194 km (0.114 R)
• M13: 23,218,936 km (0.075 R)
• M14: 23,766,315 km (0.102 R)
• M15: 23,987,570 km (0.104 R)
• M16: 28,708,430 km (0.103 R)
• M17: 33,041,233 km (0.098 R)
• M18: 33,594,296 km (0.105 R)
• M19: 36,452,812 km (0.079 R)
• M20: 47,205,159 km (0.036 R)
• M21: 50,416,876 km (0.102 R)
• M22: 52,076,066 km (0.113 R)
• M23: 54,921,717 km (0.064 R)
• M24: 56,875,315 km (0.079 R)
• M25: 62,591,151 km (0.095 R)
• M26: 72,095,851 km (0.18 R)
• M27: 78,285,463 km (0.223 R)
• M28: 79,021,634 km (0.059 R)
• M29: 81,760,472 km (0.074 R)
• M30: 82,772,053 km (0.085 R)
• M31: 83,791,712 km (0.057 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: 496 - 18,305 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit