🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.2

Radius: 12.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.8 AU - 0.82 AU

Year: 503 Days

Day: 7 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,220,696 km

• M1: 158,723 km (0.111 R)
• M2: 565,929 km (0.067 R)
• M3: 982,260 km (0.079 R)
• M4: 1,416,542 km (0.09 R)
• M5: 1,839,306 km (0.039 R)
• M6: 2,366,788 km (0.106 R)
• M7: 2,780,725 km (0.048 R)
• M8: 5,235,028 km (0.111 R)
• M9: 6,228,807 km (0.106 R)
• M10: 7,006,865 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684

Radius: 12.3

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.68 AU - 1.12 AU

Year: 589 Days

Day: 6.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,220,696 km

• M1: 153,039 km (0.037 R)
• M2: 694,433 km (0.119 R)
• M3: 1,106,276 km (0.113 R)
• M4: 1,687,165 km (0.073 R)
• M5: 2,516,835 km (0.111 R)
• M6: 2,984,627 km (0.067 R)
• M7: 3,510,613 km (0.087 R)
• M8: 6,071,130 km (0.063 R)
• M9: 6,555,528 km (0.105 R)
• M10: 7,255,646 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 11.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.08 AU - 1.26 AU

Year: 874 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,220,696 km

• M1: 141,669 km (0.113 R)
• M2: 537,655 km (0.075 R)
• M3: 1,187,807 km (0.068 R)
• M4: 1,931,608 km (0.093 R)
• M5: 2,340,309 km (0.054 R)
• M6: 2,703,383 km (0.085 R)
• M7: 3,589,751 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 9.5

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.21 AU - 1.49 AU

Year: 1083 Days

Day: 5.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,220,696 km

• M1: 118,332 km (0.102 R)
• M2: 455,526 km (0.081 R)
• M3: 854,204 km (0.071 R)
• M4: 2,595,972 km (0.119 R)
• M5: 3,494,606 km (0.064 R)
• M6: 4,854,750 km (0.11 R)
• M7: 5,336,754 km (0.08 R)
• M8: 5,828,483 km (0.095 R)
• M9: 6,257,081 km (0.068 R)
• M10: 7,076,727 km (0.04 R)
• M11: 7,750,516 km (0.097 R)
• M12: 8,213,821 km (0.047 R)
• M13: 8,637,931 km (0.103 R)
• M14: 9,286,138 km (0.118 R)
• M15: 11,812,846 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.6

Radius: 10.1

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.88 AU - 2.74 AU

Year: 2423 Days

Day: 13.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,220,696 km

• M1: 125,662 km (0.095 R)
• M2: 646,412 km (0.098 R)
• M3: 996,322 km (0.091 R)
• M4: 1,437,636 km (0.054 R)
• M5: 1,776,176 km (0.06 R)
• M6: 2,461,633 km (0.097 R)
• M7: 2,827,549 km (0.043 R)
• M8: 3,196,308 km (0.06 R)
• M9: 3,651,834 km (0.061 R)
• M10: 4,210,731 km (0.083 R)
• M11: 6,503,019 km (0.109 R)
• M12: 7,005,668 km (0.111 R)
• M13: 10,889,229 km (0.101 R)
• M14: 15,814,141 km (0.089 R)
• M15: 18,317,062 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 11.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.54 AU - 3.1 AU

Year: 3269 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,220,696 km

• M1: 145,559 km (0.111 R)
• M2: 710,291 km (0.109 R)
• M3: 1,614,909 km (0.053 R)
• M4: 2,226,914 km (0.097 R)
• M5: 2,750,656 km (0.065 R)
• M6: 3,257,045 km (0.118 R)
• M7: 6,758,682 km (0.083 R)
• M8: 7,627,547 km (0.11 R)
• M9: 8,824,629 km (0.097 R)
• M10: 9,655,346 km (0.091 R)
• M11: 11,705,136 km (0.114 R)
• M12: 14,118,449 km (0.066 R)
• M13: 15,022,618 km (0.112 R)
• M14: 15,725,728 km (0.112 R)

Asteroid Belt

Center: 3.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 15

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.36 AU - 4.24 AU

Year: 5113 Days

Day: 13.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,220,696 km

• M1: 191,635 km (0.088 R)
• M2: 742,903 km (0.106 R)
• M3: 1,379,592 km (0.114 R)
• M4: 1,888,673 km (0.03 R)
• M5: 2,508,457 km (0.111 R)
• M6: 3,182,844 km (0.101 R)
• M7: 4,846,522 km (0.115 R)
• M8: 5,631,013 km (0.051 R)
• M9: 6,564,205 km (0.112 R)
• M10: 7,068,350 km (0.116 R)
• M11: 9,560,650 km (0.038 R)
• M12: 10,797,226 km (0.109 R)
• M13: 14,021,808 km (0.077 R)
• M14: 14,521,914 km (0.062 R)
• M15: 15,854,083 km (0.083 R)
• M16: 17,648,360 km (0.104 R)
• M17: 19,232,901 km (0.088 R)
• M18: 20,482,192 km (0.085 R)
• M19: 21,271,920 km (0.088 R)
• M20: 21,933,142 km (0.069 R)
• M21: 23,142,342 km (0.095 R)
• M22: 23,841,861 km (0.082 R)
• M23: 24,555,443 km (0.069 R)
• M24: 27,900,751 km (0.118 R)
• M25: 32,014,992 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 11.1

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.92 AU - 6.24 AU

Year: 7903 Days

Day: 7.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,220,696 km

• M1: 143,165 km (0.082 R)
• M2: 490,382 km (0.084 R)
• M3: 948,002 km (0.064 R)
• M4: 1,369,868 km (0.087 R)
• M5: 2,063,403 km (0.117 R)
• M6: 3,244,927 km (0.111 R)
• M7: 3,853,342 km (0.058 R)
• M8: 4,801,344 km (0.042 R)
• M9: 5,493,533 km (0.106 R)
• M10: 6,072,926 km (0.111 R)
• M11: 6,506,161 km (0.075 R)
• M12: 7,155,266 km (0.067 R)
• M13: 9,943,322 km (0.104 R)
• M14: 12,105,460 km (0.114 R)
• M15: 12,619,029 km (0.036 R)
• M16: 13,874,305 km (0.08 R)
• M17: 14,756,184 km (0.12 R)
• M18: 16,771,268 km (0.106 R)
• M19: 17,410,051 km (0.091 R)
• M20: 20,931,285 km (0.096 R)
• M21: 21,755,270 km (0.093 R)
• M22: 24,719,103 km (0.099 R)
• M23: 26,392,356 km (0.064 R)
• M24: 28,239,291 km (0.084 R)
• M25: 31,864,346 km (0.083 R)
• M26: 33,064,869 km (0.11 R)
• M27: 36,966,382 km (0.069 R)
• M28: 39,898,201 km (0.104 R)
• M29: 40,781,726 km (0.057 R)
• M30: 44,446,724 km (0.117 R)
• M31: 46,082,577 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 16,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit