🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.3

Radius: 11.4

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.04 AU - 1.32 AU

Year: 885 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 90.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,267,739 km

• M1: 152,440 km (0.03 R)
• M2: 531,222 km (0.098 R)
• M3: 1,551,031 km (0.094 R)
• M4: 1,948,063 km (0.117 R)
• M5: 2,879,161 km (0.042 R)
• M6: 3,431,925 km (0.079 R)
• M7: 4,024,033 km (0.085 R)
• M8: 4,385,312 km (0.093 R)
• M9: 5,301,749 km (0.094 R)
• M10: 5,894,455 km (0.053 R)
• M11: 6,320,660 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 9.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.28 AU - 1.42 AU

Year: 1083 Days

Day: 7.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,267,739 km

• M1: 123,119 km (0.091 R)
• M2: 592,408 km (0.082 R)
• M3: 959,222 km (0.097 R)
• M4: 1,366,277 km (0.093 R)
• M5: 1,785,301 km (0.085 R)
• M6: 2,432,162 km (0.091 R)
• M7: 3,556,241 km (0.027 R)
• M8: 5,923,627 km (0.116 R)
• M9: 7,048,004 km (0.104 R)
• M10: 7,490,365 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.3

Radius: 10.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.04 AU - 1.7 AU

Year: 1107 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,267,739 km

• M1: 134,339 km (0.086 R)
• M2: 628,610 km (0.099 R)
• M3: 1,012,927 km (0.105 R)
• M4: 1,439,132 km (0.065 R)
• M5: 1,936,844 km (0.071 R)
• M6: 2,594,027 km (0.058 R)
• M7: 3,014,098 km (0.096 R)
• M8: 3,760,142 km (0.049 R)
• M9: 4,185,449 km (0.115 R)
• M10: 4,555,405 km (0.086 R)
• M11: 5,151,851 km (0.112 R)
• M12: 5,538,113 km (0.108 R)
• M13: 6,304,054 km (0.116 R)
• M14: 7,595,981 km (0.103 R)
• M15: 8,072,152 km (0.104 R)
• M16: 9,364,228 km (0.096 R)
• M17: 9,882,735 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.3

Radius: 10.8

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.16 AU - 2.18 AU

Year: 2206 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,267,739 km

• M1: 134,339 km (0.108 R)
• M2: 1,988,305 km (0.043 R)
• M3: 2,699,643 km (0.055 R)
• M4: 4,202,204 km (0.088 R)
• M5: 6,844,701 km (0.118 R)
• M6: 7,507,868 km (0.078 R)
• M7: 8,624,168 km (0.084 R)
• M8: 9,636,197 km (0.045 R)
• M9: 10,031,584 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.8

Radius: 14.1

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.1 AU - 3.16 AU

Year: 2944 Days

Day: 5.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,267,739 km

• M1: 175,927 km (0.094 R)
• M2: 831,016 km (0.115 R)
• M3: 1,409,661 km (0.112 R)
• M4: 1,864,887 km (0.102 R)
• M5: 2,774,143 km (0.084 R)
• M6: 3,487,874 km (0.046 R)
• M7: 5,195,534 km (0.076 R)
• M8: 6,335,470 km (0.054 R)
• M9: 7,323,265 km (0.111 R)
• M10: 8,017,399 km (0.089 R)
• M11: 8,597,689 km (0.1 R)
• M12: 10,015,129 km (0.109 R)
• M13: 10,908,078 km (0.061 R)
• M14: 11,814,492 km (0.103 R)
• M15: 12,366,209 km (0.119 R)
• M16: 15,248,511 km (0.088 R)
• M17: 15,903,002 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 11.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.7 AU - 3.46 AU

Year: 3731 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,267,739 km

• M1: 144,362 km (0.093 R)
• M2: 615,745 km (0.101 R)
• M3: 1,245,851 km (0.097 R)
• M4: 2,365,741 km (0.036 R)
• M5: 2,876,617 km (0.101 R)
• M6: 3,311,349 km (0.048 R)
• M7: 3,771,961 km (0.067 R)
• M8: 4,718,317 km (0.072 R)
• M9: 5,169,654 km (0.055 R)
• M10: 5,532,877 km (0.067 R)
• M11: 5,986,308 km (0.113 R)
• M12: 7,964,591 km (0.063 R)
• M13: 8,606,665 km (0.119 R)
• M14: 9,349,119 km (0.097 R)
• M15: 11,297,930 km (0.073 R)
• M16: 13,166,557 km (0.08 R)
• M17: 14,284,652 km (0.094 R)
• M18: 15,095,024 km (0.031 R)
• M19: 16,079,078 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728

Radius: 6.5

Gravity: 17.23 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.57 AU - 6.73 AU

Year: 9270 Days

Day: 21.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,267,739 km

• M1: 81,232 km (0.097 R)
• M2: 555,158 km (0.076 R)
• M3: 1,477,279 km (0.099 R)
• M4: 1,826,141 km (0.12 R)
• M5: 2,122,943 km (0.06 R)
• M6: 2,432,312 km (0.083 R)
• M7: 2,668,676 km (0.113 R)
• M8: 3,187,781 km (0.076 R)
• M9: 4,339,535 km (0.085 R)
• M10: 4,870,009 km (0.08 R)
• M11: 5,214,982 km (0.045 R)
• M12: 7,031,549 km (0.103 R)
• M13: 10,058,512 km (0.064 R)
• M14: 11,091,635 km (0.061 R)
• M15: 14,106,182 km (0.098 R)
• M16: 18,741,023 km (0.11 R)
• M17: 19,046,053 km (0.108 R)
• M18: 20,299,683 km (0.096 R)
• M19: 22,027,090 km (0.047 R)
• M20: 22,623,985 km (0.028 R)
• M21: 25,677,876 km (0.091 R)
• M22: 28,290,453 km (0.107 R)
• M23: 29,506,534 km (0.113 R)
• M24: 34,949,803 km (0.117 R)
• M25: 35,995,791 km (0.069 R)
• M26: 36,467,323 km (0.104 R)
• M27: 37,062,573 km (0.091 R)
• M28: 40,643,049 km (0.108 R)
• M29: 41,929,291 km (0.114 R)
• M30: 43,909,069 km (0.079 R)
• M31: 44,718,244 km (0.115 R)
• M32: 45,674,773 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.1

Radius: 4.1

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.39 AU - 6.69 AU

Year: 10246 Days

Day: 18.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,267,739 km

• M1: 51,312 km (0.05 R)
• M2: 375,042 km (0.051 R)
• M3: 1,470,846 km (0.111 R)
• M4: 1,848,880 km (0.097 R)
• M5: 2,853,430 km (0.104 R)
• M6: 6,151,913 km (0.069 R)
• M7: 9,843,989 km (0.043 R)
• M8: 11,864,308 km (0.071 R)
• M9: 16,509,621 km (0.101 R)
• M10: 18,088,627 km (0.045 R)
• M11: 27,242,670 km (0.042 R)
• M12: 28,694,218 km (0.068 R)
• M13: 31,161,536 km (0.114 R)
• M14: 34,806,189 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.1

Radius: 7.6

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.08 AU - 8.82 AU

Year: 15473 Days

Day: 24.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,267,739 km

• M1: 94,546 km (0.118 R)
• M2: 364,720 km (0.112 R)
• M3: 603,029 km (0.096 R)
• M4: 1,006,494 km (0.046 R)
• M5: 2,177,247 km (0.105 R)
• M6: 3,923,055 km (0.091 R)
• M7: 5,254,476 km (0.102 R)
• M8: 6,777,980 km (0.117 R)
• M9: 8,183,303 km (0.086 R)
• M10: 8,725,595 km (0.082 R)
• M11: 9,664,621 km (0.081 R)
• M12: 10,843,153 km (0.117 R)
• M13: 12,304,275 km (0.061 R)
• M14: 12,819,191 km (0.117 R)
• M15: 13,892,107 km (0.116 R)
• M16: 15,463,483 km (0.116 R)
• M17: 17,149,750 km (0.094 R)
• M18: 18,955,097 km (0.064 R)
• M19: 19,728,967 km (0.077 R)
• M20: 21,523,693 km (0.105 R)
• M21: 25,538,301 km (0.079 R)
• M22: 29,680,367 km (0.114 R)
• M23: 30,958,083 km (0.113 R)
• M24: 32,759,091 km (0.107 R)
• M25: 42,092,951 km (0.107 R)
• M26: 44,300,417 km (0.104 R)
• M27: 52,214,743 km (0.094 R)
• M28: 52,885,839 km (0.119 R)
• M29: 61,953,116 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.6

Radius: 7.7

Gravity: 14.01 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.33 AU - 9.87 AU

Year: 18948 Days

Day: 17.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,267,739 km

• M1: 96,341 km (0.083 R)
• M2: 631,901 km (0.099 R)
• M3: 1,176,438 km (0.028 R)
• M4: 1,634,357 km (0.104 R)
• M5: 1,886,429 km (0.099 R)
• M6: 2,492,899 km (0.079 R)
• M7: 2,982,383 km (0.115 R)
• M8: 3,959,856 km (0.118 R)
• M9: 4,522,044 km (0.104 R)
• M10: 5,174,142 km (0.087 R)
• M11: 8,368,206 km (0.084 R)
• M12: 9,069,221 km (0.081 R)
• M13: 10,283,358 km (0.05 R)
• M14: 10,649,424 km (0.104 R)
• M15: 11,733,709 km (0.111 R)
• M16: 16,645,456 km (0.064 R)
• M17: 19,272,394 km (0.05 R)
• M18: 19,735,699 km (0.118 R)
• M19: 24,567,262 km (0.075 R)
• M20: 24,893,086 km (0.042 R)
• M21: 26,679,583 km (0.091 R)
• M22: 30,008,884 km (0.103 R)
• M23: 36,342,858 km (0.084 R)
• M24: 42,102,825 km (0.117 R)
• M25: 46,926,758 km (0.118 R)
• M26: 48,442,782 km (0.092 R)
• M27: 52,106,584 km (0.115 R)
• M28: 59,198,271 km (0.098 R)
• M29: 60,571,280 km (0.1 R)
• M30: 63,380,429 km (0.093 R)
• M31: 63,788,831 km (0.084 R)
• M32: 72,773,380 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 19,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit