🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.3

Radius: 12.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 9.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 62,233,806 km

• M1: 157,975 km (0.099 R)
• M2: 721,062 km (0.042 R)
• M3: 1,268,590 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.4

Radius: 14.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.51 AU - 0.73 AU

Year: 326 Days

Day: 8.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,233,806 km

• M1: 179,069 km (0.102 R)
• M2: 655,089 km (0.096 R)
• M3: 1,133,503 km (0.034 R)
• M4: 1,627,625 km (0.11 R)
• M5: 2,591,933 km (0.075 R)
• M6: 3,184,789 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 13.2

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.72 AU - 1.08 AU

Year: 569 Days

Day: 15 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,233,806 km

• M1: 164,109 km (0.072 R)
• M2: 583,132 km (0.072 R)
• M3: 1,021,604 km (0.086 R)
• M4: 1,878,500 km (0.08 R)
• M5: 3,197,355 km (0.082 R)
• M6: 3,869,648 km (0.066 R)
• M7: 4,894,693 km (0.07 R)
• M8: 6,587,692 km (0.103 R)
• M9: 7,130,134 km (0.084 R)
• M10: 7,657,317 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 13.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.98 AU - 1.98 AU

Year: 1858 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,233,806 km

• M1: 168,447 km (0.067 R)
• M2: 641,176 km (0.118 R)
• M3: 1,174,792 km (0.084 R)
• M4: 2,106,637 km (0.092 R)
• M5: 2,582,807 km (0.075 R)
• M6: 3,118,966 km (0.089 R)
• M7: 3,674,124 km (0.1 R)
• M8: 4,100,178 km (0.096 R)
• M9: 5,383,878 km (0.066 R)
• M10: 6,445,574 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.1

Radius: 11.6

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.71 AU - 5.8 AU

Year: 6904 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,233,806 km

• M1: 144,212 km (0.086 R)
• M2: 649,554 km (0.048 R)
• M3: 1,049,728 km (0.1 R)
• M4: 2,441,736 km (0.084 R)
• M5: 2,877,515 km (0.114 R)
• M6: 3,547,265 km (0.096 R)
• M7: 4,265,484 km (0.118 R)
• M8: 5,258,664 km (0.112 R)
• M9: 6,261,568 km (0.093 R)
• M10: 7,122,355 km (0.103 R)
• M11: 7,620,516 km (0.104 R)
• M12: 10,814,131 km (0.071 R)
• M13: 12,705,347 km (0.088 R)
• M14: 16,729,380 km (0.096 R)
• M15: 17,336,897 km (0.098 R)
• M16: 20,597,832 km (0.061 R)
• M17: 24,938,264 km (0.119 R)
• M18: 27,647,482 km (0.103 R)
• M19: 31,353,171 km (0.111 R)
• M20: 32,070,193 km (0.075 R)
• M21: 33,750,177 km (0.052 R)
• M22: 35,709,461 km (0.118 R)
• M23: 36,943,493 km (0.087 R)
• M24: 38,321,888 km (0.059 R)
• M25: 39,259,717 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.4

Radius: 5.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.43 AU - 7.87 AU

Year: 11436 Days

Day: 22.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,233,806 km

• M1: 75,098 km (0.111 R)
• M2: 279,150 km (0.026 R)
• M3: 487,390 km (0.114 R)
• M4: 727,195 km (0.04 R)
• M5: 1,576,014 km (0.099 R)
• M6: 1,873,115 km (0.089 R)
• M7: 2,405,235 km (0.064 R)
• M8: 2,615,569 km (0.077 R)
• M9: 3,195,710 km (0.094 R)
• M10: 3,976,760 km (0.118 R)
• M11: 4,795,958 km (0.092 R)
• M12: 5,159,182 km (0.117 R)
• M13: 6,099,105 km (0.107 R)
• M14: 7,077,326 km (0.041 R)
• M15: 7,697,110 km (0.103 R)
• M16: 7,886,052 km (0.082 R)
• M17: 8,312,854 km (0.076 R)
• M18: 9,002,501 km (0.072 R)
• M19: 9,511,881 km (0.095 R)
• M20: 13,085,775 km (0.092 R)
• M21: 13,518,860 km (0.081 R)
• M22: 14,129,968 km (0.091 R)
• M23: 15,228,614 km (0.096 R)
• M24: 17,989,294 km (0.041 R)
• M25: 23,991,609 km (0.119 R)
• M26: 29,603,923 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.7

Radius: 6.1

Gravity: 23.78 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.61 AU - 7.89 AU

Year: 13018 Days

Day: 22.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,233,806 km

• M1: 75,846 km (0.06 R)
• M2: 316,399 km (0.104 R)
• M3: 627,114 km (0.096 R)
• M4: 978,819 km (0.068 R)
• M5: 1,245,701 km (0.077 R)
• M6: 1,874,312 km (0.092 R)
• M7: 2,391,920 km (0.11 R)
• M8: 3,198,851 km (0.101 R)
• M9: 4,518,454 km (0.098 R)
• M10: 4,949,146 km (0.078 R)
• M11: 6,008,449 km (0.103 R)
• M12: 7,123,252 km (0.081 R)
• M13: 7,799,135 km (0.095 R)
• M14: 9,434,839 km (0.045 R)
• M15: 10,817,272 km (0.114 R)
• M16: 11,168,229 km (0.07 R)
• M17: 12,392,837 km (0.114 R)
• M18: 15,033,688 km (0.087 R)
• M19: 21,763,648 km (0.051 R)
• M20: 25,060,037 km (0.094 R)
• M21: 26,509,042 km (0.089 R)
• M22: 29,346,764 km (0.116 R)
• M23: 29,686,650 km (0.116 R)
• M24: 30,722,167 km (0.112 R)
• M25: 31,662,689 km (0.092 R)
• M26: 34,851,816 km (0.04 R)
• M27: 38,926,264 km (0.106 R)
• M28: 40,725,477 km (0.097 R)
• M29: 46,916,286 km (0.118 R)
• M30: 47,225,804 km (0.091 R)
• M31: 52,365,089 km (0.076 R)
• M32: 54,555,351 km (0.108 R)
• M33: 60,570,532 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 15,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit