🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 10.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.75 AU - 1.03 AU

Year: 551 Days

Day: 5.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,399,628 km

• M1: 125,662 km (0.118 R)
• M2: 478,264 km (0.109 R)
• M3: 942,018 km (0.11 R)
• M4: 1,295,817 km (0.09 R)
• M5: 1,891,366 km (0.096 R)
• M6: 2,595,224 km (0.082 R)
• M7: 2,936,457 km (0.032 R)
• M8: 3,522,282 km (0.075 R)
• M9: 3,855,736 km (0.087 R)
• M10: 4,559,145 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 8.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.99 AU - 1.09 AU

Year: 696 Days

Day: 8.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,399,628 km

• M1: 103,223 km (0.092 R)
• M2: 414,386 km (0.076 R)
• M3: 698,921 km (0.086 R)
• M4: 1,282,802 km (0.087 R)
• M5: 1,566,439 km (0.092 R)
• M6: 2,023,162 km (0.107 R)
• M7: 2,453,704 km (0.09 R)
• M8: 2,773,694 km (0.08 R)
• M9: 3,789,464 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.3

Radius: 8.8

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.46 AU - 2.22 AU

Year: 1637 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,399,628 km

• M1: 109,805 km (0.047 R)
• M2: 410,347 km (0.104 R)
• M3: 756,516 km (0.073 R)
• M4: 1,406,968 km (0.062 R)
• M5: 1,858,155 km (0.058 R)
• M6: 2,594,326 km (0.094 R)
• M7: 3,967,036 km (0.068 R)
• M8: 4,460,111 km (0.072 R)
• M9: 5,480,817 km (0.101 R)
• M10: 6,927,877 km (0.098 R)
• M11: 7,373,081 km (0.062 R)
• M12: 9,067,426 km (0.11 R)
• M13: 9,473,136 km (0.042 R)
• M14: 9,923,575 km (0.045 R)
• M15: 10,489,653 km (0.101 R)
• M16: 11,183,039 km (0.113 R)
• M17: 11,686,286 km (0.107 R)
• M18: 12,932,437 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.4

Radius: 10.5

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.29 AU - 3.35 AU

Year: 3107 Days

Day: 9.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,399,628 km

• M1: 133,142 km (0.099 R)
• M2: 678,576 km (0.035 R)
• M3: 1,268,291 km (0.093 R)
• M4: 1,595,461 km (0.063 R)
• M5: 2,249,952 km (0.053 R)
• M6: 5,183,267 km (0.117 R)
• M7: 6,013,685 km (0.067 R)
• M8: 6,460,833 km (0.062 R)
• M9: 8,415,329 km (0.118 R)
• M10: 8,754,916 km (0.062 R)
• M11: 11,811,350 km (0.111 R)
• M12: 13,578,700 km (0.115 R)
• M13: 14,003,857 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.6

Radius: 9.8

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.84 AU - 6.32 AU

Year: 7511 Days

Day: 13 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,399,628 km

• M1: 122,820 km (0.12 R)
• M2: 626,366 km (0.117 R)
• M3: 1,439,730 km (0.076 R)
• M4: 1,854,565 km (0.076 R)
• M5: 2,725,374 km (0.113 R)
• M6: 3,553,548 km (0.095 R)
• M7: 5,038,307 km (0.095 R)
• M8: 5,474,534 km (0.04 R)
• M9: 8,088,009 km (0.067 R)
• M10: 9,043,042 km (0.058 R)
• M11: 9,926,716 km (0.114 R)
• M12: 10,266,453 km (0.067 R)
• M13: 10,714,648 km (0.06 R)
• M14: 15,746,073 km (0.062 R)
• M15: 26,447,557 km (0.033 R)
• M16: 28,539,983 km (0.115 R)
• M17: 29,927,503 km (0.12 R)
• M18: 31,987,166 km (0.087 R)
• M19: 36,616,622 km (0.102 R)
• M20: 37,429,387 km (0.086 R)
• M21: 40,924,741 km (0.114 R)
• M22: 42,052,261 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.6

Radius: 3.8

Gravity: 28.57 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.78 AU - 8.7 AU

Year: 12780 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,399,628 km

• M1: 47,273 km (0.041 R)
• M2: 329,714 km (0.067 R)
• M3: 827,725 km (0.072 R)
• M4: 1,026,989 km (0.116 R)
• M5: 1,346,082 km (0.117 R)
• M6: 1,507,647 km (0.088 R)
• M7: 3,329,600 km (0.088 R)
• M8: 3,833,745 km (0.064 R)
• M9: 4,358,085 km (0.101 R)
• M10: 5,281,254 km (0.051 R)
• M11: 6,899,304 km (0.03 R)
• M12: 7,057,429 km (0.116 R)
• M13: 8,913,340 km (0.042 R)
• M14: 10,180,584 km (0.113 R)
• M15: 10,857,065 km (0.117 R)
• M16: 15,421,745 km (0.093 R)
• M17: 16,312,451 km (0.105 R)
• M18: 20,624,759 km (0.1 R)
• M19: 21,201,609 km (0.083 R)
• M20: 24,339,424 km (0.088 R)
• M21: 27,574,478 km (0.086 R)
• M22: 28,073,088 km (0.111 R)
• M23: 37,984,545 km (0.054 R)
• M24: 38,107,514 km (0.102 R)
• M25: 39,856,164 km (0.073 R)
• M26: 44,596,771 km (0.111 R)
• M27: 46,256,858 km (0.033 R)
• M28: 47,528,590 km (0.088 R)
• M29: 47,671,456 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.3

Radius: 5

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.43 AU - 10.13 AU

Year: 20064 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,399,628 km

• M1: 682,465 km (0.095 R)
• M2: 909,705 km (0.092 R)
• M3: 1,503,758 km (0.111 R)
• M4: 3,002,579 km (0.106 R)
• M5: 4,079,833 km (0.077 R)
• M6: 4,490,180 km (0.112 R)
• M7: 5,358,446 km (0.084 R)
• M8: 5,778,218 km (0.099 R)
• M9: 8,257,802 km (0.075 R)
• M10: 12,656,728 km (0.066 R)
• M11: 13,149,054 km (0.075 R)
• M12: 14,702,329 km (0.103 R)
• M13: 39,632,365 km (0.072 R)
• M14: 46,657,033 km (0.053 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 17,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit