🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.7

Radius: 8.8

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.7 AU - 1.14 AU

Year: 570 Days

Day: 7.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 85.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,217,475 km

• M1: 110,702 km (0.032 R)
• M2: 400,324 km (0.081 R)
• M3: 818,600 km (0.081 R)
• M4: 1,114,205 km (0.051 R)
• M5: 1,432,699 km (0.098 R)
• M6: 1,862,344 km (0.12 R)
• M7: 2,191,908 km (0.083 R)
• M8: 2,560,368 km (0.08 R)
• M9: 2,843,856 km (0.034 R)
• M10: 3,209,174 km (0.052 R)
• M11: 3,864,861 km (0.1 R)
• M12: 4,560,042 km (0.095 R)
• M13: 5,476,479 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.9

Radius: 11.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.24 AU - 1.88 AU

Year: 1258 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,217,475 km

• M1: 141,819 km (0.084 R)
• M2: 577,448 km (0.099 R)
• M3: 980,016 km (0.074 R)
• M4: 1,448,855 km (0.109 R)
• M5: 2,267,455 km (0.099 R)
• M6: 2,743,027 km (0.101 R)
• M7: 3,693,721 km (0.059 R)
• M8: 4,693,035 km (0.07 R)
• M9: 5,080,194 km (0.112 R)
• M10: 5,773,131 km (0.056 R)
• M11: 6,142,788 km (0.076 R)
• M12: 6,991,307 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.7

Radius: 9.3

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.18 AU - 3.08 AU

Year: 2754 Days

Day: 7.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,217,475 km

• M1: 118,482 km (0.082 R)
• M2: 1,336,807 km (0.085 R)
• M3: 1,739,374 km (0.09 R)
• M4: 2,826,053 km (0.102 R)
• M5: 3,562,823 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.6

Radius: 14.9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.4 AU - 6.2 AU

Year: 7878 Days

Day: 8.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,217,475 km

• M1: 185,352 km (0.064 R)
• M2: 1,848,132 km (0.117 R)
• M3: 3,186,285 km (0.106 R)
• M4: 3,762,835 km (0.069 R)
• M5: 6,219,531 km (0.115 R)
• M6: 7,310,998 km (0.095 R)
• M7: 13,544,142 km (0.038 R)
• M8: 14,117,401 km (0.055 R)
• M9: 15,312,539 km (0.09 R)
• M10: 15,935,016 km (0.1 R)
• M11: 16,445,144 km (0.066 R)
• M12: 19,520,577 km (0.115 R)
• M13: 24,360,368 km (0.045 R)
• M14: 27,967,920 km (0.111 R)
• M15: 37,667,697 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.1

Radius: 5.4

Gravity: 28.64 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.65 AU - 7.47 AU

Year: 9632 Days

Day: 17.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,217,475 km

• M1: 73,752 km (0.111 R)
• M2: 275,260 km (0.087 R)
• M3: 666,159 km (0.112 R)
• M4: 1,185,563 km (0.107 R)
• M5: 1,454,540 km (0.048 R)
• M6: 2,115,164 km (0.082 R)
• M7: 2,472,554 km (0.078 R)
• M8: 2,739,586 km (0.076 R)
• M9: 2,957,999 km (0.094 R)
• M10: 3,580,625 km (0.047 R)
• M11: 3,922,905 km (0.104 R)
• M12: 5,446,110 km (0.1 R)
• M13: 6,376,609 km (0.092 R)
• M14: 7,747,375 km (0.118 R)
• M15: 9,158,531 km (0.093 R)
• M16: 13,141,575 km (0.113 R)
• M17: 13,450,345 km (0.072 R)
• M18: 14,933,757 km (0.094 R)
• M19: 18,605,338 km (0.1 R)
• M20: 20,940,261 km (0.109 R)
• M21: 21,617,192 km (0.116 R)
• M22: 25,987,993 km (0.113 R)
• M23: 26,279,260 km (0.068 R)
• M24: 33,023,281 km (0.098 R)
• M25: 33,824,228 km (0.059 R)
• M26: 35,703,477 km (0.103 R)
• M27: 37,651,390 km (0.073 R)
• M28: 41,228,575 km (0.094 R)
• M29: 41,757,403 km (0.072 R)
• M30: 43,507,250 km (0.086 R)
• M31: 46,294,108 km (0.09 R)
• M32: 46,722,108 km (0.117 R)
• M33: 47,008,887 km (0.119 R)
• M34: 47,296,863 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.8

Radius: 7.5

Gravity: 15.34 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 8.9 AU - 9.16 AU

Year: 17521 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,217,475 km

• M1: 93,648 km (0.094 R)
• M2: 384,018 km (0.087 R)
• M3: 625,170 km (0.094 R)
• M4: 882,478 km (0.07 R)
• M5: 2,081,654 km (0.094 R)
• M6: 2,375,315 km (0.091 R)
• M7: 3,569,854 km (0.086 R)
• M8: 6,278,174 km (0.067 R)
• M9: 6,625,690 km (0.111 R)
• M10: 10,237,431 km (0.111 R)
• M11: 12,938,570 km (0.097 R)
• M12: 14,753,791 km (0.1 R)
• M13: 16,897,977 km (0.116 R)
• M14: 17,656,588 km (0.059 R)
• M15: 17,914,495 km (0.036 R)
• M16: 19,241,727 km (0.051 R)
• M17: 23,202,031 km (0.101 R)
• M18: 28,255,747 km (0.109 R)
• M19: 31,037,818 km (0.065 R)
• M20: 36,440,845 km (0.114 R)
• M21: 36,719,246 km (0.105 R)
• M22: 39,583,148 km (0.058 R)
• M23: 41,371,142 km (0.11 R)
• M24: 41,674,376 km (0.113 R)
• M25: 43,368,124 km (0.11 R)
• M26: 51,999,921 km (0.046 R)
• M27: 54,687,297 km (0.059 R)
• M28: 56,343,345 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.3

Radius: 3.2

Gravity: 45.83 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.65 AU - 11.47 AU

Year: 23749 Days

Day: 15.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,217,475 km

• M1: 42,486 km (0.072 R)
• M2: 166,502 km (0.099 R)
• M3: 435,779 km (0.091 R)
• M4: 588,668 km (0.114 R)
• M5: 954,434 km (0.108 R)
• M6: 1,118,543 km (0.047 R)
• M7: 1,376,450 km (0.068 R)
• M8: 2,790,898 km (0.108 R)
• M9: 3,847,807 km (0.112 R)
• M10: 4,637,833 km (0.067 R)
• M11: 5,183,267 km (0.062 R)
• M12: 5,297,261 km (0.063 R)
• M13: 7,309,651 km (0.067 R)
• M14: 10,130,020 km (0.114 R)
• M15: 10,610,379 km (0.104 R)
• M16: 11,359,266 km (0.114 R)
• M17: 12,753,218 km (0.103 R)
• M18: 14,707,864 km (0.06 R)
• M19: 16,936,424 km (0.115 R)
• M20: 19,563,063 km (0.097 R)
• M21: 21,850,115 km (0.037 R)
• M22: 23,887,190 km (0.107 R)
• M23: 24,629,045 km (0.06 R)
• M24: 32,009,756 km (0.031 R)
• M25: 33,171,383 km (0.093 R)
• M26: 40,886,744 km (0.082 R)
• M27: 44,438,945 km (0.114 R)
• M28: 74,095,377 km (0.098 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: 409 - 14,960 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit