🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.1

Radius: 14.4

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.67 AU - 0.81 AU

Year: 424 Days

Day: 12.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,897,143 km

• M1: 179,069 km (0.043 R)
• M2: 775,216 km (0.066 R)
• M3: 1,332,618 km (0.099 R)
• M4: 1,799,363 km (0.096 R)
• M5: 2,276,132 km (0.117 R)
• M6: 2,785,213 km (0.108 R)
• M7: 3,903,008 km (0.118 R)
• M8: 4,506,337 km (0.07 R)
• M9: 5,536,468 km (0.044 R)
• M10: 6,008,299 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 9.5

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.75 AU - 0.77 AU

Year: 442 Days

Day: 5.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,897,143 km

• M1: 118,182 km (0.069 R)
• M2: 431,889 km (0.061 R)
• M3: 787,932 km (0.065 R)
• M4: 1,119,441 km (0.083 R)
• M5: 1,946,268 km (0.113 R)
• M6: 2,251,298 km (0.111 R)
• M7: 2,647,882 km (0.107 R)
• M8: 2,970,266 km (0.096 R)
• M9: 4,475,220 km (0.056 R)
• M10: 5,459,425 km (0.118 R)

Asteroid Belt

Center: 1.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.1

Radius: 13.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.58 AU - 1.58 AU

Year: 1324 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,897,143 km

• M1: 163,062 km (0.12 R)
• M2: 650,751 km (0.113 R)
• M3: 1,074,412 km (0.037 R)
• M4: 1,734,438 km (0.065 R)
• M5: 2,425,281 km (0.118 R)
• M6: 2,961,888 km (0.088 R)
• M7: 6,139,048 km (0.108 R)
• M8: 6,888,832 km (0.038 R)
• M9: 7,575,935 km (0.1 R)
• M10: 8,308,367 km (0.119 R)
• M11: 8,867,713 km (0.103 R)
• M12: 9,739,420 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.4

Radius: 10.1

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.97 AU - 5.57 AU

Year: 6947 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,897,143 km

• M1: 126,111 km (0.084 R)
• M2: 489,783 km (0.097 R)
• M3: 1,040,453 km (0.1 R)
• M4: 1,576,313 km (0.115 R)
• M5: 2,423,486 km (0.097 R)
• M6: 3,079,173 km (0.101 R)
• M7: 3,896,725 km (0.116 R)
• M8: 4,421,664 km (0.027 R)
• M9: 4,769,779 km (0.093 R)
• M10: 7,333,288 km (0.088 R)
• M11: 8,016,950 km (0.118 R)
• M12: 9,643,528 km (0.081 R)
• M13: 10,558,019 km (0.111 R)
• M14: 11,479,542 km (0.082 R)
• M15: 18,439,434 km (0.119 R)
• M16: 20,946,694 km (0.118 R)
• M17: 21,933,142 km (0.102 R)
• M18: 22,320,750 km (0.094 R)
• M19: 23,349,834 km (0.056 R)
• M20: 26,103,931 km (0.074 R)
• M21: 29,347,661 km (0.049 R)
• M22: 31,653,713 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.3

Radius: 7.1

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.38 AU - 7.84 AU

Year: 12643 Days

Day: 21.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,897,143 km

• M1: 88,263 km (0.11 R)
• M2: 372,349 km (0.113 R)
• M3: 620,682 km (0.095 R)
• M4: 912,248 km (0.105 R)
• M5: 2,459,090 km (0.09 R)
• M6: 2,770,553 km (0.042 R)
• M7: 3,575,389 km (0.075 R)
• M8: 6,032,684 km (0.072 R)
• M9: 7,372,482 km (0.091 R)
• M10: 8,663,063 km (0.113 R)
• M11: 9,287,784 km (0.104 R)
• M12: 10,681,138 km (0.112 R)
• M13: 11,626,597 km (0.112 R)
• M14: 11,915,022 km (0.115 R)
• M15: 13,179,124 km (0.078 R)
• M16: 14,730,304 km (0.104 R)
• M17: 21,460,263 km (0.032 R)
• M18: 23,507,061 km (0.093 R)
• M19: 26,367,821 km (0.082 R)
• M20: 28,087,748 km (0.105 R)
• M21: 28,398,762 km (0.099 R)
• M22: 29,452,530 km (0.111 R)
• M23: 31,525,806 km (0.036 R)
• M24: 32,313,589 km (0.062 R)
• M25: 33,114,386 km (0.056 R)
• M26: 41,999,153 km (0.118 R)
• M27: 44,620,706 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496

Radius: 7.4

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.31 AU - 9.31 AU

Year: 18943 Days

Day: 23.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,897,143 km

• M1: 92,003 km (0.079 R)
• M2: 366,664 km (0.063 R)
• M3: 2,014,784 km (0.088 R)
• M4: 2,330,136 km (0.074 R)
• M5: 2,747,514 km (0.084 R)
• M6: 3,344,859 km (0.076 R)
• M7: 3,906,150 km (0.086 R)
• M8: 4,209,534 km (0.106 R)
• M9: 5,471,393 km (0.117 R)
• M10: 5,813,074 km (0.113 R)
• M11: 9,185,459 km (0.081 R)
• M12: 10,000,169 km (0.06 R)
• M13: 10,744,418 km (0.07 R)
• M14: 12,407,348 km (0.084 R)
• M15: 16,546,422 km (0.085 R)
• M16: 38,402,671 km (0.12 R)
• M17: 39,514,333 km (0.037 R)
• M18: 42,387,360 km (0.07 R)
• M19: 47,110,913 km (0.055 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 14,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit