🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 10.8

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.69 AU - 0.77 AU

Year: 438 Days

Day: 14.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 161.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,561,420 km

• M1: 134,339 km (0.117 R)
• M2: 479,162 km (0.09 R)
• M3: 959,820 km (0.104 R)
• M4: 1,470,697 km (0.112 R)
• M5: 1,809,985 km (0.112 R)
• M6: 2,247,259 km (0.081 R)
• M7: 3,150,082 km (0.102 R)
• M8: 3,495,803 km (0.075 R)
• M9: 3,920,362 km (0.117 R)
• M10: 4,781,148 km (0.055 R)
• M11: 5,273,026 km (0.076 R)
• M12: 5,745,905 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950

Radius: 8.5

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.9 AU - 0.92 AU

Year: 610 Days

Day: 14.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,561,420 km

• M1: 105,766 km (0.117 R)
• M2: 435,779 km (0.098 R)
• M3: 797,656 km (0.111 R)
• M4: 1,408,015 km (0.079 R)
• M5: 1,701,526 km (0.118 R)
• M6: 2,199,986 km (0.094 R)
• M7: 3,008,563 km (0.117 R)
• M8: 4,062,330 km (0.109 R)
• M9: 4,500,951 km (0.03 R)
• M10: 4,799,399 km (0.119 R)
• M11: 5,200,022 km (0.102 R)
• M12: 5,736,779 km (0.104 R)
• M13: 6,310,038 km (0.062 R)
• M14: 6,706,024 km (0.082 R)
• M15: 7,297,085 km (0.079 R)
• M16: 8,138,573 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.7

Radius: 9.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.25 AU - 1.61 AU

Year: 1202 Days

Day: 9.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,561,420 km

• M1: 115,639 km (0.119 R)
• M2: 544,686 km (0.08 R)
• M3: 1,076,656 km (0.036 R)
• M4: 1,401,433 km (0.106 R)
• M5: 1,722,171 km (0.099 R)
• M6: 2,339,561 km (0.071 R)
• M7: 2,723,878 km (0.096 R)
• M8: 3,283,823 km (0.062 R)
• M9: 3,949,384 km (0.116 R)
• M10: 4,480,157 km (0.075 R)
• M11: 5,186,708 km (0.076 R)
• M12: 6,340,556 km (0.028 R)
• M13: 6,643,193 km (0.104 R)
• M14: 7,371,136 km (0.104 R)
• M15: 8,076,041 km (0.049 R)
• M16: 8,561,636 km (0.1 R)
• M17: 9,012,673 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.8

Radius: 14.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.44 AU - 1.94 AU

Year: 1544 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,561,420 km

• M1: 176,525 km (0.042 R)
• M2: 640,877 km (0.108 R)
• M3: 1,531,284 km (0.045 R)
• M4: 2,109,629 km (0.106 R)
• M5: 4,178,568 km (0.118 R)
• M6: 5,153,647 km (0.068 R)
• M7: 5,638,493 km (0.056 R)
• M8: 7,416,165 km (0.075 R)
• M9: 8,182,106 km (0.07 R)
• M10: 10,107,431 km (0.118 R)
• M11: 11,561,223 km (0.097 R)
• M12: 12,011,961 km (0.072 R)
• M13: 12,869,157 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681

Radius: 12.2

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.54 AU - 3.66 AU

Year: 3837 Days

Day: 13.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,561,420 km

• M1: 153,039 km (0.063 R)
• M2: 802,892 km (0.1 R)
• M3: 1,284,447 km (0.1 R)
• M4: 2,659,850 km (0.094 R)
• M5: 3,215,457 km (0.049 R)
• M6: 4,306,175 km (0.098 R)
• M7: 4,752,724 km (0.119 R)
• M8: 5,255,972 km (0.094 R)
• M9: 5,935,146 km (0.114 R)
• M10: 7,568,605 km (0.042 R)
• M11: 8,580,335 km (0.063 R)
• M12: 9,290,776 km (0.056 R)
• M13: 9,719,673 km (0.069 R)
• M14: 11,260,531 km (0.115 R)
• M15: 14,456,091 km (0.097 R)
• M16: 16,177,215 km (0.086 R)
• M17: 16,571,255 km (0.091 R)
• M18: 17,145,412 km (0.07 R)
• M19: 19,702,638 km (0.096 R)
• M20: 20,217,105 km (0.113 R)
• M21: 21,814,511 km (0.056 R)
• M22: 24,587,308 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.2

Radius: 4.7

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.02 AU - 11.16 AU

Year: 22529 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,561,420 km

• M1: 61,335 km (0.105 R)
• M2: 266,733 km (0.109 R)
• M3: 1,026,690 km (0.103 R)
• M4: 2,173,956 km (0.109 R)
• M5: 2,674,810 km (0.061 R)
• M6: 2,928,528 km (0.101 R)
• M7: 4,228,384 km (0.106 R)
• M8: 6,102,546 km (0.113 R)
• M9: 14,063,397 km (0.109 R)
• M10: 14,688,267 km (0.072 R)
• M11: 15,697,005 km (0.102 R)
• M12: 33,174,375 km (0.111 R)
• M13: 33,417,920 km (0.11 R)
• M14: 38,407,608 km (0.076 R)
• M15: 52,425,227 km (0.082 R)
• M16: 57,003,371 km (0.118 R)
• M17: 60,561,407 km (0.044 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 15,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit