🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 12.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.5 AU - 0.62 AU

Year: 284 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,679,833 km

• M1: 150,495 km (0.063 R)
• M2: 552,465 km (0.115 R)
• M3: 937,380 km (0.053 R)
• M4: 1,719,328 km (0.118 R)
• M5: 2,344,647 km (0.104 R)
• M6: 3,011,106 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 8.5

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.79 AU - 0.97 AU

Year: 560 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,679,833 km

• M1: 105,766 km (0.05 R)
• M2: 571,913 km (0.069 R)
• M3: 845,976 km (0.047 R)
• M4: 1,280,109 km (0.066 R)
• M5: 1,782,907 km (0.029 R)
• M6: 2,292,887 km (0.117 R)
• M7: 2,750,656 km (0.073 R)
• M8: 3,318,230 km (0.092 R)
• M9: 3,616,678 km (0.083 R)
• M10: 4,733,725 km (0.048 R)
• M11: 5,249,988 km (0.03 R)
• M12: 5,530,783 km (0.084 R)
• M13: 6,103,743 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.8

Radius: 8.8

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.91 AU - 2.53 AU

Year: 2243 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,679,833 km

• M1: 112,348 km (0.115 R)
• M2: 447,148 km (0.108 R)
• M3: 905,516 km (0.114 R)
• M4: 1,722,320 km (0.112 R)
• M5: 2,304,406 km (0.105 R)
• M6: 2,751,554 km (0.098 R)
• M7: 3,989,925 km (0.091 R)
• M8: 4,636,487 km (0.107 R)
• M9: 5,421,876 km (0.105 R)
• M10: 5,908,966 km (0.073 R)
• M11: 6,998,787 km (0.082 R)
• M12: 7,312,793 km (0.08 R)
• M13: 8,030,563 km (0.106 R)
• M14: 8,729,185 km (0.08 R)
• M15: 10,878,159 km (0.101 R)
• M16: 11,733,111 km (0.099 R)
• M17: 12,382,515 km (0.057 R)
• M18: 13,314,210 km (0.087 R)
• M19: 14,751,846 km (0.109 R)
• M20: 16,389,793 km (0.095 R)
• M21: 17,047,126 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.4

Radius: 9.3

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.84 AU - 2.8 AU

Year: 2397 Days

Day: 11.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,679,833 km

• M1: 115,639 km (0.065 R)
• M2: 459,565 km (0.102 R)
• M3: 837,449 km (0.114 R)
• M4: 1,232,986 km (0.065 R)
• M5: 1,751,791 km (0.117 R)
• M6: 2,609,884 km (0.104 R)
• M7: 2,962,038 km (0.083 R)
• M8: 3,915,724 km (0.037 R)
• M9: 4,506,187 km (0.112 R)
• M10: 5,813,523 km (0.092 R)
• M11: 6,176,597 km (0.109 R)
• M12: 7,063,563 km (0.104 R)
• M13: 7,629,043 km (0.116 R)
• M14: 10,726,616 km (0.044 R)
• M15: 12,382,216 km (0.057 R)
• M16: 14,294,825 km (0.088 R)
• M17: 16,041,080 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.9

Radius: 12

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.15 AU - 3.35 AU

Year: 3974 Days

Day: 11.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,679,833 km

• M1: 149,299 km (0.089 R)
• M2: 757,564 km (0.076 R)
• M3: 1,802,954 km (0.057 R)
• M4: 2,597,767 km (0.036 R)
• M5: 3,333,639 km (0.117 R)
• M6: 4,916,684 km (0.089 R)
• M7: 7,519,537 km (0.118 R)
• M8: 8,200,806 km (0.12 R)
• M9: 8,863,375 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.4

Radius: 5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.29 AU - 6.85 AU

Year: 11422 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,679,833 km

• M1: 68,665 km (0.1 R)
• M2: 664,663 km (0.108 R)
• M3: 1,482,814 km (0.106 R)
• M4: 3,535,297 km (0.118 R)
• M5: 6,386,931 km (0.119 R)
• M6: 8,212,026 km (0.088 R)
• M7: 8,977,967 km (0.086 R)
• M8: 12,426,796 km (0.065 R)
• M9: 13,238,065 km (0.093 R)
• M10: 16,328,009 km (0.063 R)
• M11: 19,866,747 km (0.115 R)
• M12: 20,059,130 km (0.082 R)
• M13: 20,252,859 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.1

Radius: 5.1

Gravity: 20.8 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.11 AU - 8.73 AU

Year: 13709 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,679,833 km

• M1: 68,067 km (0.059 R)
• M2: 398,080 km (0.098 R)
• M3: 562,039 km (0.082 R)
• M4: 781,350 km (0.104 R)
• M5: 1,199,326 km (0.077 R)
• M6: 1,368,073 km (0.103 R)
• M7: 1,582,745 km (0.075 R)
• M8: 2,098,409 km (0.097 R)
• M9: 2,267,455 km (0.116 R)
• M10: 2,611,680 km (0.111 R)
• M11: 3,664,849 km (0.074 R)
• M12: 4,715,923 km (0.101 R)
• M13: 4,974,279 km (0.115 R)
• M14: 5,697,734 km (0.113 R)
• M15: 6,141,441 km (0.119 R)
• M16: 6,410,568 km (0.09 R)
• M17: 7,097,372 km (0.055 R)
• M18: 7,308,305 km (0.061 R)
• M19: 8,057,192 km (0.061 R)
• M20: 8,663,512 km (0.112 R)
• M21: 10,885,938 km (0.08 R)
• M22: 11,860,568 km (0.1 R)
• M23: 12,218,107 km (0.116 R)
• M24: 16,860,578 km (0.077 R)
• M25: 18,877,307 km (0.067 R)
• M26: 19,943,491 km (0.12 R)
• M27: 22,556,217 km (0.105 R)
• M28: 24,997,655 km (0.102 R)
• M29: 26,382,482 km (0.034 R)
• M30: 28,342,813 km (0.117 R)
• M31: 30,731,442 km (0.066 R)
• M32: 31,405,380 km (0.111 R)
• M33: 35,167,318 km (0.055 R)
• M34: 38,566,331 km (0.057 R)
• M35: 42,177,923 km (0.052 R)
• M36: 43,711,750 km (0.085 R)
• M37: 48,838,918 km (0.088 R)
• M38: 49,756,401 km (0.057 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 16,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit