🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 12.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.11 AU - 1.21 AU

Year: 878 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,651,953 km

• M1: 156,031 km (0.106 R)
• M2: 641,476 km (0.065 R)
• M3: 1,178,981 km (0.118 R)
• M4: 1,723,517 km (0.094 R)
• M5: 2,354,371 km (0.059 R)
• M6: 3,111,037 km (0.103 R)
• M7: 3,612,639 km (0.031 R)
• M8: 4,241,249 km (0.081 R)
• M9: 5,328,975 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 9.2

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.55 AU - 3.31 AU

Year: 3525 Days

Day: 12 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,651,953 km

• M1: 114,442 km (0.074 R)
• M2: 454,030 km (0.076 R)
• M3: 747,989 km (0.093 R)
• M4: 3,404,249 km (0.085 R)
• M5: 3,768,969 km (0.085 R)
• M6: 4,113,193 km (0.037 R)
• M7: 4,882,575 km (0.099 R)
• M8: 8,180,311 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.5

Radius: 13.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.66 AU - 3.44 AU

Year: 3744 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,651,953 km

• M1: 186,399 km (0.098 R)
• M2: 653,294 km (0.087 R)
• M3: 2,263,565 km (0.108 R)
• M4: 4,832,909 km (0.088 R)
• M5: 6,154,606 km (0.072 R)
• M6: 6,728,164 km (0.065 R)
• M7: 9,502,756 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.5

Radius: 9.4

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.26 AU - 4.9 AU

Year: 5793 Days

Day: 11.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,651,953 km

• M1: 124,615 km (0.107 R)
• M2: 437,424 km (0.085 R)
• M3: 931,845 km (0.116 R)
• M4: 1,493,585 km (0.099 R)
• M5: 2,033,484 km (0.111 R)
• M6: 3,330,348 km (0.083 R)
• M7: 3,704,193 km (0.076 R)
• M8: 4,229,581 km (0.107 R)
• M9: 4,589,214 km (0.087 R)
• M10: 5,138,537 km (0.087 R)
• M11: 6,172,408 km (0.093 R)
• M12: 6,568,693 km (0.109 R)
• M13: 9,616,002 km (0.036 R)
• M14: 11,372,729 km (0.073 R)
• M15: 13,773,626 km (0.089 R)
• M16: 14,740,626 km (0.064 R)
• M17: 15,330,191 km (0.062 R)
• M18: 16,182,002 km (0.103 R)
• M19: 16,682,706 km (0.066 R)
• M20: 19,203,430 km (0.096 R)
• M21: 21,067,719 km (0.085 R)
• M22: 22,043,695 km (0.078 R)
• M23: 26,595,210 km (0.111 R)
• M24: 27,204,822 km (0.119 R)
• M25: 27,734,847 km (0.114 R)
• M26: 29,089,904 km (0.078 R)
• M27: 33,722,651 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.5

Radius: 14.2

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.78 AU - 5.62 AU

Year: 7162 Days

Day: 14.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,651,953 km

• M1: 176,525 km (0.099 R)
• M2: 1,072,467 km (0.092 R)
• M3: 1,617,901 km (0.101 R)
• M4: 3,334,686 km (0.079 R)
• M5: 6,953,159 km (0.114 R)
• M6: 8,974,376 km (0.057 R)
• M7: 13,371,357 km (0.105 R)
• M8: 15,972,415 km (0.119 R)
• M9: 27,773,144 km (0.11 R)
• M10: 29,497,409 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.7

Radius: 3.6

Gravity: 74.9 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.62 AU - 9.1 AU

Year: 14035 Days

Day: 20.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,651,953 km

• M1: 44,730 km (0.111 R)
• M2: 326,273 km (0.059 R)
• M3: 651,648 km (0.079 R)
• M4: 977,173 km (0.075 R)
• M5: 1,478,326 km (0.115 R)
• M6: 2,424,832 km (0.099 R)
• M7: 2,814,385 km (0.054 R)
• M8: 2,961,439 km (0.102 R)
• M9: 3,297,586 km (0.119 R)
• M10: 3,863,814 km (0.078 R)
• M11: 4,076,542 km (0.099 R)
• M12: 4,361,376 km (0.094 R)
• M13: 5,077,501 km (0.053 R)
• M14: 5,988,253 km (0.087 R)
• M15: 6,440,039 km (0.062 R)
• M16: 6,652,617 km (0.102 R)
• M17: 6,782,468 km (0.049 R)
• M18: 7,273,149 km (0.08 R)
• M19: 8,175,673 km (0.118 R)
• M20: 8,577,194 km (0.117 R)
• M21: 14,180,532 km (0.088 R)
• M22: 14,468,059 km (0.083 R)
• M23: 16,041,529 km (0.117 R)
• M24: 17,151,695 km (0.11 R)
• M25: 18,738,779 km (0.083 R)
• M26: 25,009,922 km (0.099 R)
• M27: 25,853,654 km (0.061 R)
• M28: 28,612,837 km (0.052 R)
• M29: 30,597,103 km (0.117 R)
• M30: 37,096,831 km (0.09 R)
• M31: 39,311,029 km (0.104 R)
• M32: 45,539,237 km (0.1 R)
• M33: 47,432,398 km (0.103 R)
• M34: 47,913,804 km (0.043 R)
• M35: 50,203,250 km (0.085 R)
• M36: 51,543,797 km (0.093 R)
• M37: 53,772,655 km (0.087 R)
• M38: 59,345,027 km (0.113 R)
• M39: 59,717,226 km (0.107 R)
• M40: 61,221,433 km (0.1 R)
• M41: 65,686,630 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.6

Radius: 7

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.36 AU - 10.62 AU

Year: 18947 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,651,953 km

• M1: 87,066 km (0.06 R)
• M2: 384,018 km (0.086 R)
• M3: 837,299 km (0.05 R)
• M4: 1,158,336 km (0.067 R)
• M5: 1,608,327 km (0.034 R)
• M6: 1,865,186 km (0.114 R)
• M7: 2,551,092 km (0.092 R)
• M8: 3,760,890 km (0.09 R)
• M9: 4,847,270 km (0.111 R)
• M10: 5,614,857 km (0.068 R)
• M11: 6,674,159 km (0.119 R)
• M12: 7,342,862 km (0.082 R)
• M13: 8,606,366 km (0.1 R)
• M14: 10,065,394 km (0.079 R)
• M15: 10,586,443 km (0.094 R)
• M16: 11,494,502 km (0.069 R)
• M17: 11,808,508 km (0.093 R)
• M18: 14,749,452 km (0.093 R)
• M19: 15,120,306 km (0.089 R)
• M20: 20,708,833 km (0.117 R)
• M21: 22,221,717 km (0.095 R)
• M22: 22,513,432 km (0.103 R)
• M23: 23,908,432 km (0.067 R)
• M24: 29,244,888 km (0.093 R)
• M25: 33,127,850 km (0.092 R)
• M26: 35,060,804 km (0.112 R)
• M27: 35,588,735 km (0.077 R)
• M28: 36,255,942 km (0.12 R)
• M29: 40,436,155 km (0.084 R)
• M30: 47,131,408 km (0.086 R)
• M31: 50,237,658 km (0.053 R)
• M32: 59,244,946 km (0.04 R)
• M33: 64,028,936 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 18,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit