🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 10.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.61 AU - 0.75 AU

Year: 380 Days

Day: 5.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,896,924 km

• M1: 133,441 km (0.084 R)
• M2: 478,863 km (0.096 R)
• M3: 862,282 km (0.12 R)
• M4: 1,362,687 km (0.071 R)
• M5: 1,750,295 km (0.052 R)
• M6: 2,362,898 km (0.104 R)
• M7: 2,811,243 km (0.044 R)
• M8: 3,261,832 km (0.07 R)
• M9: 3,736,656 km (0.101 R)
• M10: 4,839,790 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.5

Radius: 14.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.83 AU - 0.97 AU

Year: 579 Days

Day: 10.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,896,924 km

• M1: 179,069 km (0.115 R)
• M2: 636,240 km (0.068 R)
• M3: 1,100,592 km (0.053 R)
• M4: 2,039,468 km (0.08 R)
• M5: 2,533,290 km (0.114 R)
• M6: 3,376,274 km (0.112 R)
• M7: 3,891,938 km (0.089 R)
• M8: 4,414,783 km (0.093 R)
• M9: 5,931,256 km (0.063 R)
• M10: 6,829,741 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.1

Radius: 12.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.86 AU - 1.2 AU

Year: 709 Days

Day: 14 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,896,924 km

• M1: 150,495 km (0.084 R)
• M2: 598,391 km (0.064 R)
• M3: 1,042,248 km (0.1 R)
• M4: 1,695,841 km (0.098 R)
• M5: 2,139,848 km (0.114 R)
• M6: 2,735,098 km (0.051 R)
• M7: 3,303,420 km (0.118 R)
• M8: 4,450,537 km (0.089 R)
• M9: 5,374,752 km (0.09 R)
• M10: 6,102,396 km (0.086 R)
• M11: 6,655,759 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 9.5

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.06 AU - 1.1 AU

Year: 761 Days

Day: 5.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,896,924 km

• M1: 118,182 km (0.054 R)
• M2: 521,947 km (0.072 R)
• M3: 898,934 km (0.079 R)
• M4: 1,334,263 km (0.117 R)
• M5: 1,773,782 km (0.1 R)
• M6: 2,125,636 km (0.116 R)
• M7: 2,776,985 km (0.057 R)
• M8: 3,098,172 km (0.1 R)
• M9: 4,012,065 km (0.068 R)
• M10: 4,675,083 km (0.06 R)
• M11: 5,371,760 km (0.048 R)
• M12: 5,953,546 km (0.111 R)
• M13: 6,301,511 km (0.055 R)
• M14: 6,926,531 km (0.109 R)
• M15: 7,904,452 km (0.082 R)
• M16: 8,225,041 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.4

Radius: 12

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.21 AU - 1.59 AU

Year: 1124 Days

Day: 12.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,896,924 km

• M1: 149,299 km (0.045 R)
• M2: 642,523 km (0.029 R)
• M3: 1,117,646 km (0.091 R)
• M4: 1,537,417 km (0.099 R)
• M5: 2,002,816 km (0.116 R)
• M6: 2,514,740 km (0.088 R)
• M7: 3,323,466 km (0.111 R)
• M8: 3,804,872 km (0.066 R)
• M9: 5,659,138 km (0.083 R)
• M10: 6,438,992 km (0.094 R)
• M11: 7,045,761 km (0.075 R)
• M12: 7,513,104 km (0.102 R)
• M13: 8,159,367 km (0.082 R)
• M14: 8,702,856 km (0.096 R)
• M15: 9,622,733 km (0.104 R)
• M16: 10,137,201 km (0.082 R)
• M17: 10,606,190 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.7

Radius: 14

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.49 AU - 1.57 AU

Year: 1284 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,896,924 km

• M1: 175,179 km (0.117 R)
• M2: 765,492 km (0.118 R)
• M3: 1,345,782 km (0.112 R)
• M4: 1,981,573 km (0.108 R)
• M5: 2,462,531 km (0.094 R)
• M6: 4,029,718 km (0.062 R)
• M7: 4,487,787 km (0.117 R)
• M8: 5,153,198 km (0.093 R)
• M9: 7,962,646 km (0.094 R)
• M10: 10,367,880 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.1

Radius: 6.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.67 AU - 5.79 AU

Year: 9303 Days

Day: 21.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,896,924 km

• M1: 77,342 km (0.072 R)
• M2: 508,782 km (0.115 R)
• M3: 937,081 km (0.09 R)
• M4: 1,661,135 km (0.11 R)
• M5: 2,566,651 km (0.109 R)
• M6: 3,416,815 km (0.111 R)
• M7: 5,397,491 km (0.119 R)
• M8: 7,872,289 km (0.056 R)
• M9: 8,239,701 km (0.111 R)
• M10: 9,597,601 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.6

Radius: 6.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.03 AU - 8.51 AU

Year: 14690 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 161.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,896,924 km

• M1: 80,783 km (0.059 R)
• M2: 426,354 km (0.041 R)
• M3: 1,697,487 km (0.045 R)
• M4: 2,681,542 km (0.069 R)
• M5: 3,399,163 km (0.075 R)
• M6: 8,738,012 km (0.075 R)
• M7: 18,790,241 km (0.073 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: 246 - 13,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit