🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.87 AU - 0.99 AU

Year: 413 Days

Day: 44.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,566,303 km

• M1: 126,261 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.89 AU - 1.49 AU

Year: 597 Days

Day: 40.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 24.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.98 AU - 1.5 AU

Year: 635 Days

Day: 34.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,566,303 km

• M1: 140,772 km (0.059 R)
• M2: 364,121 km (0.116 R)

Asteroid Belt

Center: 2.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 10.8

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.67 AU - 3.89 AU

Year: 2734 Days

Day: 7.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,566,303 km

• M1: 134,339 km (0.078 R)
• M2: 480,209 km (0.112 R)
• M3: 1,068,877 km (0.1 R)
• M4: 1,548,637 km (0.093 R)
• M5: 2,210,458 km (0.068 R)
• M6: 2,569,343 km (0.114 R)
• M7: 3,769,118 km (0.116 R)
• M8: 4,285,680 km (0.083 R)
• M9: 5,512,233 km (0.107 R)
• M10: 7,868,848 km (0.103 R)
• M11: 9,847,130 km (0.107 R)
• M12: 10,910,771 km (0.094 R)
• M13: 11,323,661 km (0.073 R)
• M14: 11,746,874 km (0.093 R)
• M15: 14,169,312 km (0.118 R)
• M16: 15,215,300 km (0.07 R)
• M17: 15,783,323 km (0.106 R)
• M18: 18,897,353 km (0.117 R)
• M19: 20,163,848 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.1

Radius: 11.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.38 AU - 3.44 AU

Year: 2898 Days

Day: 8.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,566,303 km

• M1: 147,952 km (0.107 R)
• M2: 534,962 km (0.052 R)
• M3: 1,021,155 km (0.101 R)
• M4: 1,462,918 km (0.061 R)
• M5: 2,021,516 km (0.063 R)
• M6: 4,416,129 km (0.032 R)
• M7: 5,663,626 km (0.102 R)
• M8: 6,045,998 km (0.099 R)
• M9: 7,839,676 km (0.098 R)
• M10: 8,407,400 km (0.097 R)
• M11: 9,827,832 km (0.107 R)
• M12: 10,595,419 km (0.094 R)
• M13: 15,457,649 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736

Radius: 14.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.47 AU - 3.59 AU

Year: 3052 Days

Day: 5.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,566,303 km

• M1: 177,872 km (0.092 R)
• M2: 657,333 km (0.069 R)
• M3: 1,225,057 km (0.081 R)
• M4: 1,995,037 km (0.053 R)
• M5: 2,440,689 km (0.065 R)
• M6: 3,037,884 km (0.094 R)
• M7: 3,558,485 km (0.044 R)
• M8: 5,490,391 km (0.105 R)
• M9: 5,937,988 km (0.107 R)
• M10: 6,467,266 km (0.104 R)
• M11: 7,088,845 km (0.115 R)
• M12: 7,847,904 km (0.087 R)
• M13: 9,269,682 km (0.082 R)
• M14: 10,295,924 km (0.078 R)
• M15: 10,938,896 km (0.036 R)
• M16: 13,545,190 km (0.107 R)
• M17: 14,715,344 km (0.117 R)
• M18: 17,878,142 km (0.078 R)
• M19: 19,285,709 km (0.028 R)
• M20: 21,469,239 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 8.7

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.5 AU - 7.7 AU

Year: 7803 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,566,303 km

• M1: 108,309 km (0.112 R)
• M2: 394,639 km (0.096 R)
• M3: 667,506 km (0.085 R)
• M4: 1,225,955 km (0.084 R)
• M5: 1,787,246 km (0.029 R)
• M6: 2,069,238 km (0.062 R)
• M7: 2,399,251 km (0.106 R)
• M8: 3,211,118 km (0.069 R)
• M9: 4,386,060 km (0.078 R)
• M10: 5,117,145 km (0.09 R)
• M11: 6,064,249 km (0.078 R)
• M12: 10,936,801 km (0.096 R)
• M13: 13,600,690 km (0.104 R)
• M14: 15,928,732 km (0.077 R)
• M15: 17,362,030 km (0.095 R)
• M16: 18,510,343 km (0.102 R)
• M17: 19,479,887 km (0.078 R)
• M18: 21,277,904 km (0.095 R)
• M19: 22,093,062 km (0.1 R)
• M20: 27,522,567 km (0.093 R)
• M21: 30,698,081 km (0.094 R)
• M22: 32,909,736 km (0.112 R)
• M23: 33,889,453 km (0.085 R)
• M24: 34,441,918 km (0.103 R)
• M25: 36,944,989 km (0.072 R)
• M26: 38,599,392 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.7

Radius: 6.4

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.53 AU - 10.21 AU

Year: 13199 Days

Day: 15.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,566,303 km

• M1: 81,381 km (0.073 R)
• M2: 541,544 km (0.03 R)
• M3: 2,281,218 km (0.06 R)
• M4: 2,884,247 km (0.049 R)
• M5: 3,187,033 km (0.103 R)
• M6: 4,023,435 km (0.051 R)
• M7: 5,435,489 km (0.068 R)
• M8: 8,106,709 km (0.029 R)
• M9: 13,168,801 km (0.108 R)
• M10: 14,871,225 km (0.119 R)
• M11: 17,161,569 km (0.076 R)
• M12: 17,615,748 km (0.065 R)
• M13: 18,627,179 km (0.103 R)
• M14: 39,163,975 km (0.11 R)
• M15: 41,150,933 km (0.115 R)
• M16: 42,788,133 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.9

Radius: 3.2

Gravity: 83.78 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.31 AU - 10.55 AU

Year: 13326 Days

Day: 16 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 62,566,303 km

• M1: 39,793 km (0.097 R)
• M2: 242,498 km (0.076 R)
• M3: 752,028 km (0.075 R)
• M4: 1,052,421 km (0.103 R)
• M5: 1,533,378 km (0.078 R)
• M6: 2,050,538 km (0.066 R)
• M7: 2,246,212 km (0.093 R)
• M8: 2,697,698 km (0.046 R)
• M9: 3,864,113 km (0.049 R)
• M10: 4,444,403 km (0.039 R)
• M11: 4,705,451 km (0.12 R)
• M12: 4,976,523 km (0.107 R)
• M13: 5,699,679 km (0.12 R)
• M14: 8,630,152 km (0.038 R)
• M15: 8,730,532 km (0.108 R)
• M16: 8,882,374 km (0.053 R)
• M17: 9,401,329 km (0.036 R)
• M18: 9,560,950 km (0.082 R)
• M19: 10,105,935 km (0.109 R)
• M20: 10,499,527 km (0.083 R)
• M21: 11,558,380 km (0.092 R)
• M22: 14,232,143 km (0.082 R)
• M23: 14,442,478 km (0.095 R)
• M24: 14,941,686 km (0.088 R)
• M25: 16,049,608 km (0.064 R)
• M26: 19,355,272 km (0.071 R)
• M27: 19,874,077 km (0.087 R)
• M28: 20,491,168 km (0.114 R)
• M29: 23,867,293 km (0.12 R)
• M30: 24,164,245 km (0.097 R)
• M31: 24,564,120 km (0.054 R)
• M32: 26,207,752 km (0.107 R)
• M33: 26,735,982 km (0.08 R)
• M34: 28,920,111 km (0.119 R)
• M35: 30,170,749 km (0.1 R)
• M36: 34,263,298 km (0.07 R)
• M37: 38,574,559 km (0.115 R)
• M38: 43,970,704 km (0.097 R)
• M39: 49,526,619 km (0.085 R)
• M40: 52,139,196 km (0.116 R)
• M41: 55,879,442 km (0.106 R)
• M42: 60,342,246 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 10,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit