🌌 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 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.58 AU - 0.76 AU

Year: 354 Days

Day: 26.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.2

Radius: 13.7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1 AU - 1.22 AU

Year: 755 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 45,294,619 km

• M1: 170,392 km (0.103 R)
• M2: 1,116,299 km (0.103 R)
• M3: 1,930,710 km (0.094 R)
• M4: 2,588,791 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.6

Radius: 12.9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.74 AU - 2.9 AU

Year: 3058 Days

Day: 11.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,294,619 km

• M1: 160,369 km (0.119 R)
• M2: 616,792 km (0.101 R)
• M3: 1,186,610 km (0.053 R)
• M4: 1,907,822 km (0.08 R)
• M5: 3,099,817 km (0.062 R)
• M6: 4,477,763 km (0.072 R)
• M7: 5,461,818 km (0.093 R)
• M8: 7,335,532 km (0.095 R)
• M9: 8,142,463 km (0.108 R)
• M10: 8,870,705 km (0.088 R)
• M11: 9,356,449 km (0.037 R)
• M12: 9,823,344 km (0.104 R)
• M13: 12,225,886 km (0.064 R)
• M14: 15,339,616 km (0.111 R)
• M15: 16,502,889 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 13.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.69 AU - 4.31 AU

Year: 4228 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,294,619 km

• M1: 164,258 km (0.092 R)
• M2: 1,001,857 km (0.095 R)
• M3: 1,413,251 km (0.072 R)
• M4: 2,020,469 km (0.115 R)
• M5: 3,161,751 km (0.094 R)
• M6: 5,463,165 km (0.039 R)
• M7: 6,262,915 km (0.033 R)
• M8: 6,704,528 km (0.116 R)
• M9: 7,477,500 km (0.062 R)
• M10: 11,986,679 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.2

Radius: 13.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.05 AU - 5.99 AU

Year: 8374 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,294,619 km

• M1: 168,597 km (0.096 R)
• M2: 682,914 km (0.09 R)
• M3: 1,250,937 km (0.115 R)
• M4: 2,182,633 km (0.083 R)
• M5: 3,463,640 km (0.067 R)
• M6: 4,439,167 km (0.117 R)
• M7: 5,293,371 km (0.093 R)
• M8: 7,088,695 km (0.084 R)
• M9: 7,699,204 km (0.108 R)
• M10: 8,840,486 km (0.095 R)
• M11: 10,707,468 km (0.119 R)
• M12: 11,733,709 km (0.079 R)
• M13: 12,299,787 km (0.087 R)
• M14: 12,883,967 km (0.093 R)
• M15: 14,813,331 km (0.086 R)
• M16: 16,786,527 km (0.049 R)
• M17: 19,006,260 km (0.05 R)
• M18: 23,130,673 km (0.091 R)
• M19: 23,841,712 km (0.088 R)
• M20: 25,121,222 km (0.057 R)
• M21: 26,638,893 km (0.094 R)
• M22: 30,699,727 km (0.062 R)
• M23: 40,793,395 km (0.119 R)
• M24: 42,225,495 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.2

Radius: 4.6

Gravity: 29.74 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.33 AU - 6.75 AU

Year: 9585 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 45,294,619 km

• M1: 61,036 km (0.096 R)
• M2: 419,173 km (0.094 R)
• M3: 586,424 km (0.055 R)
• M4: 816,206 km (0.089 R)
• M5: 1,082,490 km (0.111 R)
• M6: 2,047,097 km (0.108 R)
• M7: 2,221,080 km (0.075 R)
• M8: 2,442,784 km (0.111 R)
• M9: 3,040,128 km (0.093 R)
• M10: 3,244,030 km (0.091 R)
• M11: 3,408,737 km (0.108 R)
• M12: 3,579,129 km (0.111 R)
• M13: 3,832,398 km (0.111 R)
• M14: 4,097,635 km (0.068 R)
• M15: 4,936,131 km (0.105 R)
• M16: 5,987,655 km (0.075 R)
• M17: 6,868,487 km (0.07 R)
• M18: 7,959,205 km (0.081 R)
• M19: 8,130,046 km (0.113 R)
• M20: 8,567,769 km (0.097 R)
• M21: 9,442,767 km (0.114 R)
• M22: 11,694,963 km (0.118 R)
• M23: 12,195,966 km (0.117 R)
• M24: 12,480,502 km (0.102 R)
• M25: 14,281,361 km (0.076 R)
• M26: 15,047,751 km (0.074 R)
• M27: 17,367,565 km (0.083 R)
• M28: 19,681,096 km (0.042 R)
• M29: 20,151,432 km (0.102 R)
• M30: 21,114,543 km (0.077 R)
• M31: 22,276,469 km (0.083 R)
• M32: 24,908,494 km (0.095 R)
• M33: 25,091,004 km (0.09 R)
• M34: 26,583,392 km (0.045 R)
• M35: 27,936,804 km (0.08 R)
• M36: 29,234,117 km (0.09 R)
• M37: 30,466,803 km (0.093 R)
• M38: 36,915,818 km (0.099 R)
• M39: 38,112,451 km (0.045 R)
• M40: 38,476,423 km (0.054 R)
• M41: 43,026,442 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 18,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit