🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.8

Radius: 11.3

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.65 AU - 0.67 AU

Year: 370 Days

Day: 14.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,057,409 km

• M1: 140,472 km (0.086 R)
• M2: 545,583 km (0.053 R)
• M3: 1,047,185 km (0.101 R)
• M4: 1,502,262 km (0.059 R)
• M5: 2,163,335 km (0.059 R)
• M6: 2,612,727 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.1

Radius: 10.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.18 AU - 1.66 AU

Year: 1168 Days

Day: 8.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,057,409 km

• M1: 135,536 km (0.103 R)
• M2: 495,169 km (0.105 R)
• M3: 984,204 km (0.045 R)
• M4: 1,681,031 km (0.045 R)
• M5: 2,078,363 km (0.089 R)
• M6: 3,147,240 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.9

Radius: 11.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.12 AU - 3.62 AU

Year: 4270 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,057,409 km

• M1: 139,276 km (0.098 R)
• M2: 549,024 km (0.087 R)
• M3: 1,113,307 km (0.107 R)
• M4: 1,606,382 km (0.096 R)
• M5: 2,045,152 km (0.037 R)
• M6: 4,356,589 km (0.034 R)
• M7: 5,220,816 km (0.108 R)
• M8: 7,091,837 km (0.117 R)
• M9: 7,897,122 km (0.075 R)
• M10: 8,724,997 km (0.113 R)
• M11: 9,649,661 km (0.074 R)
• M12: 10,301,609 km (0.114 R)
• M13: 11,201,589 km (0.084 R)
• M14: 12,060,281 km (0.118 R)
• M15: 12,434,725 km (0.079 R)
• M16: 13,256,316 km (0.113 R)
• M17: 19,407,631 km (0.079 R)
• M18: 21,182,161 km (0.053 R)
• M19: 23,713,207 km (0.11 R)
• M20: 25,662,168 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.2

Radius: 9.1

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.5 AU - 5.68 AU

Year: 6788 Days

Day: 8.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,057,409 km

• M1: 113,545 km (0.11 R)
• M2: 408,701 km (0.107 R)
• M3: 766,689 km (0.119 R)
• M4: 1,195,287 km (0.119 R)
• M5: 2,079,410 km (0.102 R)
• M6: 2,381,449 km (0.079 R)
• M7: 3,132,131 km (0.091 R)
• M8: 6,620,603 km (0.081 R)
• M9: 7,732,864 km (0.064 R)
• M10: 8,203,648 km (0.091 R)
• M11: 9,363,331 km (0.076 R)
• M12: 9,814,817 km (0.11 R)
• M13: 11,256,941 km (0.097 R)
• M14: 12,985,843 km (0.058 R)
• M15: 14,339,704 km (0.086 R)
• M16: 16,190,828 km (0.115 R)
• M17: 16,543,729 km (0.06 R)
• M18: 19,225,122 km (0.076 R)
• M19: 21,259,204 km (0.112 R)
• M20: 25,196,171 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.6

Radius: 8.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.76 AU - 6.08 AU

Year: 7533 Days

Day: 9.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,057,409 km

• M1: 109,506 km (0.078 R)
• M2: 490,980 km (0.09 R)
• M3: 792,270 km (0.07 R)
• M4: 1,392,607 km (0.041 R)
• M5: 1,742,815 km (0.098 R)
• M6: 2,151,367 km (0.108 R)
• M7: 2,449,067 km (0.089 R)
• M8: 3,078,575 km (0.095 R)
• M9: 3,623,111 km (0.034 R)
• M10: 4,972,633 km (0.102 R)
• M11: 6,032,534 km (0.068 R)
• M12: 7,446,533 km (0.098 R)
• M13: 9,000,107 km (0.113 R)
• M14: 9,562,894 km (0.026 R)
• M15: 10,000,318 km (0.108 R)
• M16: 13,717,826 km (0.026 R)
• M17: 18,266,498 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.1

Radius: 5.9

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.81 AU - 6.57 AU

Year: 10630 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,057,409 km

• M1: 113,395 km (0.029 R)
• M2: 577,448 km (0.052 R)
• M3: 1,122,582 km (0.113 R)
• M4: 1,572,124 km (0.051 R)
• M5: 2,265,061 km (0.101 R)
• M6: 2,652,071 km (0.117 R)
• M7: 3,672,179 km (0.103 R)
• M8: 6,590,235 km (0.091 R)
• M9: 7,048,154 km (0.117 R)
• M10: 7,489,169 km (0.116 R)
• M11: 8,426,549 km (0.118 R)
• M12: 8,797,402 km (0.031 R)
• M13: 11,604,456 km (0.061 R)
• M14: 19,467,171 km (0.077 R)
• M15: 21,076,545 km (0.06 R)
• M16: 22,693,399 km (0.095 R)
• M17: 35,317,215 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.6

Radius: 5.4

Gravity: 19.91 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.4 AU - 8.86 AU

Year: 16001 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,057,409 km

• M1: 67,319 km (0.119 R)
• M2: 260,151 km (0.101 R)
• M3: 479,012 km (0.111 R)
• M4: 745,446 km (0.093 R)
• M5: 1,194,838 km (0.092 R)
• M6: 1,626,428 km (0.056 R)
• M7: 2,079,410 km (0.12 R)
• M8: 2,657,157 km (0.081 R)
• M9: 3,284,122 km (0.068 R)
• M10: 3,887,600 km (0.082 R)
• M11: 5,064,935 km (0.091 R)
• M12: 6,340,257 km (0.068 R)
• M13: 6,752,848 km (0.108 R)
• M14: 7,360,215 km (0.11 R)
• M15: 11,426,884 km (0.098 R)
• M16: 13,862,786 km (0.11 R)
• M17: 14,416,448 km (0.114 R)
• M18: 14,912,813 km (0.055 R)
• M19: 15,641,505 km (0.072 R)
• M20: 15,939,653 km (0.097 R)
• M21: 17,012,719 km (0.086 R)
• M22: 17,487,093 km (0.072 R)
• M23: 17,727,647 km (0.103 R)
• M24: 17,970,295 km (0.114 R)
• M25: 18,963,026 km (0.075 R)
• M26: 19,645,043 km (0.106 R)
• M27: 19,817,978 km (0.116 R)
• M28: 23,204,874 km (0.116 R)
• M29: 28,478,199 km (0.116 R)
• M30: 28,922,654 km (0.069 R)
• M31: 38,136,985 km (0.093 R)
• M32: 38,812,719 km (0.114 R)
• M33: 41,311,602 km (0.071 R)
• M34: 44,658,106 km (0.107 R)
• M35: 45,711,425 km (0.074 R)
• M36: 50,251,870 km (0.091 R)
• M37: 57,523,373 km (0.109 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: 165 - 13,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit