🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 9.8

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 11.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,460,963 km

• M1: 121,922 km (0.09 R)
• M2: 502,499 km (0.098 R)
• M3: 828,772 km (0.088 R)
• M4: 1,235,080 km (0.078 R)
• M5: 1,551,779 km (0.068 R)
• M6: 1,951,654 km (0.06 R)
• M7: 2,403,439 km (0.07 R)
• M8: 3,648,692 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 13.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.64 AU - 1 AU

Year: 495 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,460,963 km

• M1: 170,841 km (0.102 R)
• M2: 597,943 km (0.099 R)
• M3: 1,185,713 km (0.111 R)
• M4: 1,664,576 km (0.085 R)
• M5: 2,210,309 km (0.079 R)
• M6: 3,061,221 km (0.083 R)
• M7: 3,879,222 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.9

Radius: 11.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.11 AU - 2.29 AU

Year: 2176 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,460,963 km

• M1: 147,354 km (0.069 R)
• M2: 692,788 km (0.096 R)
• M3: 1,117,047 km (0.115 R)
• M4: 1,498,073 km (0.118 R)
• M5: 1,868,926 km (0.113 R)
• M6: 2,524,763 km (0.103 R)
• M7: 3,153,224 km (0.075 R)
• M8: 3,748,324 km (0.119 R)
• M9: 4,390,099 km (0.082 R)
• M10: 5,043,842 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 11.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.3 AU - 2.76 AU

Year: 2684 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,460,963 km

• M1: 144,212 km (0.113 R)
• M2: 728,093 km (0.068 R)
• M3: 1,106,575 km (0.107 R)
• M4: 1,560,755 km (0.097 R)
• M5: 2,493,647 km (0.059 R)
• M6: 2,857,170 km (0.104 R)
• M7: 4,168,395 km (0.115 R)
• M8: 4,577,994 km (0.052 R)
• M9: 4,947,202 km (0.116 R)
• M10: 6,202,926 km (0.094 R)
• M11: 7,393,127 km (0.111 R)
• M12: 7,811,702 km (0.105 R)
• M13: 9,197,875 km (0.092 R)
• M14: 9,612,561 km (0.067 R)
• M15: 10,184,773 km (0.116 R)
• M16: 10,628,779 km (0.036 R)
• M17: 11,916,817 km (0.087 R)
• M18: 12,451,779 km (0.101 R)
• M19: 13,437,629 km (0.064 R)
• M20: 13,837,354 km (0.064 R)
• M21: 14,382,489 km (0.077 R)
• M22: 15,808,456 km (0.118 R)
• M23: 16,204,292 km (0.072 R)
• M24: 17,907,015 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.9

Radius: 9.4

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.51 AU - 3.59 AU

Year: 3552 Days

Day: 11.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,460,963 km

• M1: 116,986 km (0.114 R)
• M2: 452,534 km (0.11 R)
• M3: 1,100,592 km (0.081 R)
• M4: 1,955,843 km (0.073 R)
• M5: 2,854,477 km (0.044 R)
• M6: 5,280,356 km (0.104 R)
• M7: 6,278,174 km (0.065 R)
• M8: 7,031,848 km (0.118 R)
• M9: 9,415,690 km (0.072 R)
• M10: 13,218,917 km (0.059 R)
• M11: 15,319,869 km (0.042 R)
• M12: 15,878,168 km (0.06 R)
• M13: 17,939,178 km (0.117 R)
• M14: 19,322,360 km (0.108 R)
• M15: 20,372,238 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.5

Radius: 14.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.48 AU - 5.1 AU

Year: 6991 Days

Day: 6.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,460,963 km

• M1: 216,468 km (0.11 R)
• M2: 704,157 km (0.102 R)
• M3: 1,255,725 km (0.068 R)
• M4: 2,125,038 km (0.101 R)
• M5: 2,968,022 km (0.067 R)
• M6: 4,384,115 km (0.12 R)
• M7: 4,910,101 km (0.099 R)
• M8: 6,263,064 km (0.072 R)
• M9: 7,452,816 km (0.107 R)
• M10: 12,361,122 km (0.094 R)
• M11: 12,841,631 km (0.078 R)
• M12: 15,297,878 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.8

Radius: 6.3

Gravity: 25.06 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.84 AU - 8.12 AU

Year: 12297 Days

Day: 20 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 47,460,963 km

• M1: 78,389 km (0.101 R)
• M2: 314,604 km (0.098 R)
• M3: 511,924 km (0.091 R)
• M4: 768,484 km (0.091 R)
• M5: 982,260 km (0.091 R)
• M6: 1,276,070 km (0.12 R)
• M7: 1,549,385 km (0.076 R)
• M8: 2,060,561 km (0.066 R)
• M9: 2,815,582 km (0.09 R)
• M10: 3,307,609 km (0.053 R)
• M11: 4,001,444 km (0.098 R)
• M12: 5,451,646 km (0.117 R)
• M13: 6,294,630 km (0.095 R)
• M14: 13,252,277 km (0.025 R)
• M15: 13,722,014 km (0.072 R)
• M16: 15,936,212 km (0.092 R)
• M17: 16,931,786 km (0.076 R)
• M18: 20,520,340 km (0.104 R)
• M19: 21,513,670 km (0.049 R)
• M20: 23,207,716 km (0.116 R)
• M21: 24,087,202 km (0.117 R)
• M22: 24,285,569 km (0.082 R)
• M23: 24,485,132 km (0.105 R)
• M24: 25,396,483 km (0.075 R)
• M25: 28,376,323 km (0.086 R)
• M26: 31,109,476 km (0.097 R)
• M27: 33,025,824 km (0.118 R)
• M28: 34,892,806 km (0.116 R)
• M29: 37,224,438 km (0.068 R)
• M30: 39,382,537 km (0.083 R)
• M31: 40,913,671 km (0.056 R)
• M32: 47,280,557 km (0.107 R)
• M33: 51,598,101 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.2

Radius: 4.6

Gravity: 12.91 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.08 AU - 9.28 AU

Year: 15601 Days

Day: 17.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,460,963 km

• M1: 69,563 km (0.068 R)
• M2: 270,174 km (0.105 R)
• M3: 555,158 km (0.106 R)
• M4: 780,302 km (0.072 R)
• M5: 1,064,688 km (0.065 R)
• M6: 1,362,837 km (0.12 R)
• M7: 1,903,932 km (0.093 R)
• M8: 3,136,768 km (0.085 R)
• M9: 3,594,388 km (0.11 R)
• M10: 4,348,212 km (0.111 R)
• M11: 4,823,335 km (0.089 R)
• M12: 5,137,490 km (0.071 R)
• M13: 5,702,820 km (0.064 R)
• M14: 6,126,033 km (0.086 R)
• M15: 6,419,693 km (0.109 R)
• M16: 8,471,578 km (0.068 R)
• M17: 11,083,706 km (0.072 R)
• M18: 12,659,421 km (0.082 R)
• M19: 13,997,723 km (0.064 R)
• M20: 14,187,264 km (0.087 R)
• M21: 15,970,769 km (0.066 R)
• M22: 19,422,591 km (0.046 R)
• M23: 24,237,099 km (0.114 R)
• M24: 28,153,571 km (0.096 R)
• M25: 29,271,965 km (0.06 R)
• M26: 31,705,324 km (0.115 R)
• M27: 45,774,854 km (0.03 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 14,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit