🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.3

Radius: 8.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.62 AU - 0.78 AU

Year: 397 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 51,292,422 km

• M1: 111,899 km (0.067 R)
• M2: 601,084 km (0.085 R)
• M3: 2,008,351 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.5

Radius: 11.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.68 AU - 0.84 AU

Year: 449 Days

Day: 8.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,292,422 km

• M1: 139,276 km (0.12 R)
• M2: 617,241 km (0.08 R)
• M3: 973,882 km (0.105 R)
• M4: 1,380,190 km (0.116 R)
• M5: 1,745,358 km (0.043 R)
• M6: 2,144,037 km (0.106 R)
• M7: 2,771,301 km (0.086 R)
• M8: 4,262,791 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.4

Radius: 10.2

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.78 AU - 0.94 AU

Year: 541 Days

Day: 14.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,292,422 km

• M1: 126,859 km (0.106 R)
• M2: 469,737 km (0.083 R)
• M3: 802,144 km (0.089 R)
• M4: 1,170,155 km (0.107 R)
• M5: 1,738,028 km (0.087 R)
• M6: 2,197,144 km (0.114 R)
• M7: 2,681,691 km (0.115 R)
• M8: 3,607,852 km (0.043 R)
• M9: 3,964,792 km (0.079 R)
• M10: 4,912,794 km (0.092 R)
• M11: 5,231,737 km (0.114 R)
• M12: 6,370,625 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.7

Radius: 10.3

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.77 AU - 4.11 AU

Year: 5304 Days

Day: 14.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,292,422 km

• M1: 131,197 km (0.12 R)
• M2: 523,593 km (0.064 R)
• M3: 876,793 km (0.057 R)
• M4: 1,235,379 km (0.091 R)
• M5: 1,963,622 km (0.056 R)
• M6: 2,457,743 km (0.066 R)
• M7: 3,033,246 km (0.099 R)
• M8: 3,374,330 km (0.109 R)
• M9: 4,353,747 km (0.093 R)
• M10: 5,600,795 km (0.048 R)
• M11: 6,403,537 km (0.087 R)
• M12: 8,665,606 km (0.061 R)
• M13: 8,986,793 km (0.085 R)
• M14: 9,867,775 km (0.104 R)
• M15: 10,441,483 km (0.06 R)
• M16: 10,851,530 km (0.026 R)
• M17: 11,655,469 km (0.049 R)
• M18: 12,549,466 km (0.038 R)
• M19: 14,250,693 km (0.098 R)
• M20: 15,389,133 km (0.084 R)
• M21: 18,301,654 km (0.102 R)
• M22: 20,341,720 km (0.101 R)
• M23: 20,982,298 km (0.063 R)
• M24: 23,369,132 km (0.085 R)
• M25: 26,014,471 km (0.091 R)
• M26: 26,348,075 km (0.093 R)
• M27: 27,711,360 km (0.12 R)
• M28: 28,234,504 km (0.088 R)
• M29: 30,117,642 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.5

Radius: 11.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.67 AU - 5.91 AU

Year: 8252 Days

Day: 11.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,292,422 km

• M1: 149,747 km (0.073 R)
• M2: 525,986 km (0.101 R)
• M3: 915,090 km (0.089 R)
• M4: 1,705,565 km (0.068 R)
• M5: 2,142,242 km (0.065 R)
• M6: 2,615,868 km (0.109 R)
• M7: 3,052,993 km (0.106 R)
• M8: 3,424,146 km (0.096 R)
• M9: 4,025,230 km (0.09 R)
• M10: 5,470,495 km (0.113 R)
• M11: 5,855,859 km (0.059 R)
• M12: 7,982,692 km (0.088 R)
• M13: 8,998,162 km (0.042 R)
• M14: 9,675,242 km (0.079 R)
• M15: 10,434,601 km (0.074 R)
• M16: 11,182,291 km (0.059 R)
• M17: 14,053,074 km (0.107 R)
• M18: 20,738,753 km (0.119 R)
• M19: 23,481,031 km (0.099 R)
• M20: 24,764,432 km (0.108 R)
• M21: 31,174,102 km (0.107 R)
• M22: 31,994,197 km (0.107 R)
• M23: 34,649,859 km (0.107 R)
• M24: 35,975,296 km (0.113 R)
• M25: 39,199,130 km (0.052 R)
• M26: 40,395,763 km (0.062 R)

Asteroid Belt

Center: 5.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.5

Radius: 5.8

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.49 AU - 6.53 AU

Year: 9993 Days

Day: 18.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,292,422 km

• M1: 72,106 km (0.084 R)
• M2: 293,511 km (0.104 R)
• M3: 555,906 km (0.12 R)
• M4: 961,615 km (0.093 R)
• M5: 1,263,952 km (0.113 R)
• M6: 1,574,069 km (0.118 R)
• M7: 1,949,260 km (0.049 R)
• M8: 2,294,233 km (0.113 R)
• M9: 3,280,083 km (0.106 R)
• M10: 4,017,750 km (0.078 R)
• M11: 4,918,928 km (0.1 R)
• M12: 5,558,309 km (0.051 R)
• M13: 5,881,440 km (0.056 R)
• M14: 6,780,823 km (0.07 R)
• M15: 8,050,161 km (0.107 R)
• M16: 8,380,174 km (0.043 R)
• M17: 8,848,714 km (0.076 R)
• M18: 9,379,637 km (0.104 R)
• M19: 13,246,143 km (0.05 R)
• M20: 14,117,701 km (0.05 R)
• M21: 17,230,982 km (0.116 R)
• M22: 19,128,033 km (0.109 R)
• M23: 19,567,850 km (0.058 R)
• M24: 20,089,348 km (0.043 R)
• M25: 20,467,532 km (0.106 R)
• M26: 21,004,887 km (0.117 R)
• M27: 25,558,946 km (0.117 R)
• M28: 25,824,781 km (0.075 R)
• M29: 26,997,928 km (0.114 R)
• M30: 29,937,975 km (0.089 R)
• M31: 30,233,430 km (0.056 R)
• M32: 30,729,946 km (0.106 R)
• M33: 30,930,108 km (0.025 R)
• M34: 31,333,124 km (0.098 R)
• M35: 32,046,557 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796

Radius: 4.7

Gravity: 36.03 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.81 AU - 6.43 AU

Year: 10269 Days

Day: 20.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 51,292,422 km

• M1: 58,493 km (0.054 R)
• M2: 260,599 km (0.068 R)
• M3: 546,631 km (0.032 R)
• M4: 839,992 km (0.115 R)
• M5: 1,171,202 km (0.035 R)
• M6: 1,659,788 km (0.112 R)
• M7: 1,833,472 km (0.091 R)
• M8: 2,162,288 km (0.085 R)
• M9: 2,370,079 km (0.072 R)
• M10: 2,847,595 km (0.101 R)
• M11: 5,724,512 km (0.101 R)
• M12: 5,939,634 km (0.06 R)
• M13: 6,774,988 km (0.109 R)
• M14: 7,429,928 km (0.115 R)
• M15: 7,686,039 km (0.088 R)
• M16: 9,397,589 km (0.086 R)
• M17: 10,054,772 km (0.065 R)
• M18: 10,421,137 km (0.105 R)
• M19: 11,403,995 km (0.11 R)
• M20: 12,151,087 km (0.06 R)
• M21: 13,934,593 km (0.071 R)
• M22: 14,324,295 km (0.073 R)
• M23: 17,481,558 km (0.09 R)
• M24: 17,631,755 km (0.108 R)
• M25: 19,582,660 km (0.071 R)
• M26: 22,020,507 km (0.107 R)
• M27: 29,036,797 km (0.083 R)
• M28: 35,451,255 km (0.079 R)
• M29: 36,543,319 km (0.057 R)
• M30: 38,412,844 km (0.062 R)
• M31: 39,564,747 km (0.064 R)
• M32: 41,268,817 km (0.114 R)
• M33: 44,822,813 km (0.109 R)
• M34: 47,253,479 km (0.078 R)
• M35: 47,545,195 km (0.079 R)
• M36: 48,575,326 km (0.085 R)
• M37: 49,170,576 km (0.069 R)
• M38: 49,620,267 km (0.12 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 16,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit