🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.9

Radius: 11.5

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.75 AU - 0.89 AU

Year: 495 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,292,579 km

• M1: 143,464 km (0.076 R)
• M2: 604,525 km (0.106 R)
• M3: 1,022,950 km (0.075 R)
• M4: 1,633,609 km (0.056 R)
• M5: 2,043,806 km (0.061 R)
• M6: 2,499,780 km (0.073 R)
• M7: 2,918,056 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 10.2

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.4 AU - 1.5 AU

Year: 1164 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 177.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,292,579 km

• M1: 126,859 km (0.051 R)
• M2: 604,226 km (0.087 R)
• M3: 1,572,124 km (0.103 R)
• M4: 1,977,833 km (0.099 R)
• M5: 2,746,767 km (0.094 R)
• M6: 3,263,777 km (0.039 R)
• M7: 4,852,357 km (0.108 R)
• M8: 6,988,614 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 10.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.79 AU - 1.99 AU

Year: 1733 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,292,579 km

• M1: 129,402 km (0.079 R)
• M2: 462,257 km (0.097 R)
• M3: 835,205 km (0.116 R)
• M4: 1,218,774 km (0.059 R)
• M5: 1,973,495 km (0.112 R)
• M6: 2,530,448 km (0.073 R)
• M7: 4,653,092 km (0.083 R)
• M8: 5,049,826 km (0.079 R)
• M9: 5,687,113 km (0.101 R)
• M10: 6,619,407 km (0.091 R)
• M11: 7,516,096 km (0.106 R)
• M12: 9,177,381 km (0.1 R)
• M13: 10,829,689 km (0.026 R)
• M14: 11,245,571 km (0.079 R)
• M15: 11,636,171 km (0.074 R)
• M16: 12,709,685 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 13.8

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.86 AU - 2.84 AU

Year: 2402 Days

Day: 8.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,292,579 km

• M1: 171,738 km (0.102 R)
• M2: 695,181 km (0.073 R)
• M3: 1,176,587 km (0.081 R)
• M4: 1,727,257 km (0.101 R)
• M5: 2,292,887 km (0.104 R)
• M6: 2,950,519 km (0.115 R)
• M7: 3,400,210 km (0.096 R)
• M8: 3,952,077 km (0.108 R)
• M9: 4,710,239 km (0.036 R)
• M10: 5,329,275 km (0.074 R)
• M11: 5,828,782 km (0.068 R)
• M12: 6,438,094 km (0.098 R)
• M13: 7,489,767 km (0.049 R)
• M14: 8,026,375 km (0.055 R)
• M15: 8,620,727 km (0.107 R)
• M16: 9,481,663 km (0.115 R)
• M17: 11,530,256 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.4

Radius: 5.4

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.97 AU - 9.89 AU

Year: 16322 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,292,579 km

• M1: 68,815 km (0.096 R)
• M2: 263,591 km (0.053 R)
• M3: 606,021 km (0.109 R)
• M4: 1,031,926 km (0.108 R)
• M5: 1,361,640 km (0.108 R)
• M6: 4,179,166 km (0.052 R)
• M7: 8,668,748 km (0.106 R)
• M8: 10,475,142 km (0.095 R)
• M9: 10,843,003 km (0.101 R)
• M10: 13,173,289 km (0.104 R)
• M11: 15,342,907 km (0.06 R)
• M12: 19,260,127 km (0.104 R)
• M13: 20,293,849 km (0.092 R)
• M14: 25,736,070 km (0.094 R)
• M15: 34,324,483 km (0.105 R)
• M16: 35,840,658 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.5

Radius: 4.4

Gravity: 48.99 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.52 AU - 10.44 AU

Year: 19464 Days

Day: 23.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,292,579 km

• M1: 55,052 km (0.091 R)
• M2: 298,149 km (0.07 R)
• M3: 478,264 km (0.113 R)
• M4: 917,035 km (0.101 R)
• M5: 1,067,381 km (0.044 R)
• M6: 1,451,099 km (0.1 R)
• M7: 1,603,689 km (0.086 R)
• M8: 2,807,653 km (0.087 R)
• M9: 3,442,845 km (0.031 R)
• M10: 4,585,923 km (0.11 R)
• M11: 5,223,359 km (0.106 R)
• M12: 5,543,050 km (0.059 R)
• M13: 6,858,614 km (0.078 R)
• M14: 7,339,870 km (0.106 R)
• M15: 7,946,639 km (0.053 R)
• M16: 9,727,452 km (0.045 R)
• M17: 11,095,524 km (0.1 R)
• M18: 12,306,370 km (0.083 R)
• M19: 15,387,787 km (0.111 R)
• M20: 19,604,801 km (0.107 R)
• M21: 20,375,080 km (0.11 R)
• M22: 20,669,190 km (0.11 R)
• M23: 22,285,296 km (0.11 R)
• M24: 28,237,944 km (0.069 R)
• M25: 31,380,547 km (0.106 R)
• M26: 35,875,365 km (0.085 R)
• M27: 36,303,962 km (0.087 R)
• M28: 43,150,907 km (0.07 R)
• M29: 44,946,231 km (0.112 R)
• M30: 48,511,149 km (0.094 R)
• M31: 53,365,300 km (0.103 R)
• M32: 55,813,769 km (0.112 R)
• M33: 61,339,765 km (0.048 R)
• M34: 67,219,410 km (0.035 R)
• M35: 68,745,757 km (0.119 R)
• M36: 69,186,173 km (0.106 R)
• M37: 72,094,206 km (0.073 R)
• M38: 72,776,671 km (0.037 R)
• M39: 74,617,623 km (0.086 R)
• M40: 81,059,905 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.9

Radius: 4.5

Gravity: 36.39 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.21 AU - 11.93 AU

Year: 19742 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,292,579 km

• M1: 60,886 km (0.072 R)
• M2: 263,442 km (0.09 R)
• M3: 1,084,136 km (0.089 R)
• M4: 1,445,115 km (0.109 R)
• M5: 2,781,473 km (0.1 R)
• M6: 3,482,339 km (0.07 R)
• M7: 4,532,666 km (0.089 R)
• M8: 5,186,857 km (0.113 R)
• M9: 5,536,468 km (0.1 R)
• M10: 5,985,112 km (0.039 R)
• M11: 6,816,427 km (0.114 R)
• M12: 9,423,768 km (0.095 R)
• M13: 12,217,957 km (0.045 R)
• M14: 14,739,429 km (0.104 R)
• M15: 15,360,859 km (0.03 R)
• M16: 17,074,951 km (0.03 R)
• M17: 20,019,636 km (0.116 R)
• M18: 23,494,495 km (0.087 R)
• M19: 24,448,930 km (0.039 R)
• M20: 24,990,175 km (0.06 R)
• M21: 26,096,601 km (0.082 R)
• M22: 26,321,745 km (0.12 R)
• M23: 26,661,781 km (0.062 R)
• M24: 28,884,357 km (0.054 R)
• M25: 30,974,987 km (0.12 R)
• M26: 31,992,851 km (0.1 R)
• M27: 32,250,758 km (0.054 R)
• M28: 38,281,347 km (0.095 R)
• M29: 49,011,554 km (0.106 R)
• M30: 49,698,657 km (0.112 R)
• M31: 56,361,447 km (0.112 R)
• M32: 58,451,329 km (0.092 R)
• M33: 64,207,406 km (0.096 R)
• M34: 71,423,409 km (0.071 R)
• M35: 73,420,092 km (0.091 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: 365 - 20,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit