🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.9

Radius: 10

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.84 AU - 1.08 AU

Year: 598 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,793,262 km

• M1: 125,363 km (0.053 R)
• M2: 547,827 km (0.037 R)
• M3: 880,383 km (0.08 R)
• M4: 1,254,378 km (0.115 R)
• M5: 1,623,286 km (0.115 R)
• M6: 2,165,429 km (0.113 R)
• M7: 3,181,498 km (0.095 R)
• M8: 3,949,982 km (0.118 R)
• M9: 4,462,504 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.7

Radius: 13

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1 AU - 1.14 AU

Year: 704 Days

Day: 8.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,793,262 km

• M1: 161,865 km (0.051 R)
• M2: 630,405 km (0.109 R)
• M3: 1,064,090 km (0.111 R)
• M4: 1,568,833 km (0.091 R)
• M5: 2,023,610 km (0.071 R)
• M6: 2,448,917 km (0.11 R)
• M7: 2,923,591 km (0.081 R)
• M8: 3,337,828 km (0.034 R)
• M9: 4,229,431 km (0.117 R)
• M10: 4,685,854 km (0.106 R)
• M11: 5,804,248 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.6

Radius: 14.3

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.01 AU - 1.65 AU

Year: 975 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,793,262 km

• M1: 177,872 km (0.091 R)
• M2: 670,647 km (0.076 R)
• M3: 1,686,118 km (0.065 R)
• M4: 2,215,844 km (0.112 R)
• M5: 2,904,891 km (0.083 R)
• M6: 3,387,345 km (0.087 R)
• M7: 4,073,999 km (0.109 R)
• M8: 5,115,050 km (0.076 R)
• M9: 6,749,407 km (0.105 R)
• M10: 8,709,438 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173

Radius: 10

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.78 AU - 3.94 AU

Year: 3916 Days

Day: 14.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,793,262 km

• M1: 146,905 km (0.108 R)
• M2: 459,116 km (0.048 R)
• M3: 894,146 km (0.112 R)
• M4: 1,266,346 km (0.115 R)
• M5: 1,827,338 km (0.09 R)
• M6: 2,221,678 km (0.119 R)
• M7: 4,543,886 km (0.046 R)
• M8: 5,411,105 km (0.052 R)
• M9: 6,206,367 km (0.094 R)
• M10: 6,725,322 km (0.068 R)
• M11: 7,105,450 km (0.11 R)
• M12: 8,613,696 km (0.061 R)
• M13: 9,937,936 km (0.087 R)
• M14: 10,432,058 km (0.068 R)
• M15: 13,533,671 km (0.085 R)
• M16: 15,086,197 km (0.1 R)
• M17: 16,072,945 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.9

Radius: 8.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.01 AU - 5.79 AU

Year: 7979 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,793,262 km

• M1: 103,372 km (0.052 R)
• M2: 403,765 km (0.058 R)
• M3: 709,244 km (0.111 R)
• M4: 1,001,109 km (0.033 R)
• M5: 1,270,086 km (0.067 R)
• M6: 1,672,803 km (0.082 R)
• M7: 2,173,358 km (0.064 R)
• M8: 2,435,304 km (0.086 R)
• M9: 2,735,547 km (0.042 R)
• M10: 3,272,005 km (0.053 R)
• M11: 3,898,670 km (0.101 R)
• M12: 4,288,073 km (0.069 R)
• M13: 5,613,810 km (0.079 R)
• M14: 6,262,765 km (0.11 R)
• M15: 9,286,737 km (0.101 R)
• M16: 10,537,674 km (0.102 R)
• M17: 12,375,334 km (0.115 R)
• M18: 16,792,062 km (0.083 R)
• M19: 20,012,156 km (0.101 R)
• M20: 25,383,468 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.3

Radius: 6.6

Gravity: 18.1 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.78 AU - 6.42 AU

Year: 9579 Days

Day: 21.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 29,793,262 km

• M1: 83,625 km (0.055 R)
• M2: 443,408 km (0.051 R)
• M3: 764,146 km (0.05 R)
• M4: 1,345,782 km (0.075 R)
• M5: 1,709,006 km (0.077 R)
• M6: 1,947,016 km (0.112 R)
• M7: 2,610,932 km (0.095 R)
• M8: 3,564,917 km (0.07 R)
• M9: 3,849,303 km (0.111 R)
• M10: 4,376,187 km (0.078 R)
• M11: 5,076,903 km (0.101 R)
• M12: 5,538,712 km (0.096 R)
• M13: 7,053,091 km (0.09 R)
• M14: 9,297,657 km (0.115 R)
• M15: 13,218,767 km (0.051 R)
• M16: 13,775,570 km (0.08 R)
• M17: 14,412,259 km (0.059 R)
• M18: 15,882,058 km (0.118 R)
• M19: 17,375,793 km (0.088 R)
• M20: 19,430,669 km (0.099 R)
• M21: 20,069,452 km (0.093 R)
• M22: 26,851,621 km (0.057 R)
• M23: 27,643,742 km (0.103 R)
• M24: 28,758,246 km (0.085 R)
• M25: 28,963,943 km (0.112 R)
• M26: 30,113,603 km (0.064 R)
• M27: 31,620,203 km (0.113 R)
• M28: 34,783,151 km (0.077 R)
• M29: 38,774,123 km (0.09 R)
• M30: 39,025,297 km (0.081 R)
• M31: 39,785,554 km (0.069 R)
• M32: 44,144,387 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.3

Radius: 3.9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.43 AU - 7.63 AU

Year: 13138 Days

Day: 21.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 29,793,262 km

• M1: 48,470 km (0.109 R)
• M2: 175,030 km (0.079 R)
• M3: 319,990 km (0.117 R)
• M4: 464,801 km (0.109 R)
• M5: 660,325 km (0.083 R)
• M6: 789,129 km (0.113 R)
• M7: 951,891 km (0.118 R)
• M8: 1,136,944 km (0.102 R)
• M9: 1,542,952 km (0.062 R)
• M10: 2,565,005 km (0.062 R)
• M11: 2,705,178 km (0.087 R)
• M12: 3,421,004 km (0.072 R)
• M13: 3,612,639 km (0.046 R)
• M14: 4,158,821 km (0.11 R)
• M15: 4,916,684 km (0.077 R)
• M16: 6,377,507 km (0.028 R)
• M17: 7,069,098 km (0.081 R)
• M18: 8,599,933 km (0.09 R)
• M19: 8,914,687 km (0.097 R)
• M20: 10,515,534 km (0.117 R)
• M21: 12,298,291 km (0.06 R)
• M22: 12,447,141 km (0.117 R)
• M23: 14,163,926 km (0.108 R)
• M24: 14,658,198 km (0.116 R)
• M25: 18,836,167 km (0.105 R)
• M26: 27,872,926 km (0.03 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 18,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit