🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.3

Radius: 8.1

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.71 AU - 0.97 AU

Year: 522 Days

Day: 9 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,855,045 km

• M1: 100,679 km (0.03 R)
• M2: 414,237 km (0.066 R)
• M3: 726,896 km (0.034 R)
• M4: 1,174,044 km (0.032 R)
• M5: 1,508,096 km (0.073 R)
• M6: 1,845,589 km (0.109 R)
• M7: 2,175,751 km (0.089 R)
• M8: 2,598,365 km (0.08 R)
• M9: 4,522,194 km (0.105 R)
• M10: 4,858,789 km (0.103 R)
• M11: 5,281,403 km (0.098 R)
• M12: 5,783,603 km (0.116 R)
• M13: 6,200,233 km (0.12 R)
• M14: 6,555,827 km (0.105 R)
• M15: 6,924,885 km (0.094 R)
• M16: 7,243,080 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.5

Radius: 10.4

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.9 AU - 1.42 AU

Year: 847 Days

Day: 13.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,855,045 km

• M1: 132,095 km (0.099 R)
• M2: 458,817 km (0.049 R)
• M3: 824,733 km (0.113 R)
• M4: 1,328,130 km (0.064 R)
• M5: 1,852,022 km (0.065 R)
• M6: 2,219,284 km (0.055 R)
• M7: 2,789,551 km (0.083 R)
• M8: 3,209,024 km (0.118 R)
• M9: 3,568,807 km (0.09 R)
• M10: 4,453,229 km (0.074 R)
• M11: 4,938,525 km (0.067 R)
• M12: 5,653,004 km (0.063 R)
• M13: 7,033,643 km (0.065 R)
• M14: 8,037,894 km (0.099 R)
• M15: 8,945,504 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.4

Radius: 12.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.52 AU - 2.14 AU

Year: 1679 Days

Day: 13.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,855,045 km

• M1: 157,975 km (0.107 R)
• M2: 844,330 km (0.095 R)
• M3: 1,461,272 km (0.096 R)
• M4: 2,108,432 km (0.038 R)
• M5: 2,926,134 km (0.109 R)
• M6: 3,393,179 km (0.087 R)
• M7: 5,188,353 km (0.106 R)
• M8: 6,855,921 km (0.097 R)
• M9: 7,411,527 km (0.079 R)
• M10: 8,025,776 km (0.073 R)
• M11: 9,292,870 km (0.083 R)
• M12: 11,148,632 km (0.094 R)
• M13: 12,802,137 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.9

Radius: 8.2

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.08 AU - 5.02 AU

Year: 6583 Days

Day: 11.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,855,045 km

• M1: 102,026 km (0.08 R)
• M2: 375,491 km (0.05 R)
• M3: 965,654 km (0.091 R)
• M4: 1,403,378 km (0.074 R)
• M5: 2,692,911 km (0.085 R)
• M6: 4,440,663 km (0.104 R)
• M7: 7,924,349 km (0.088 R)
• M8: 9,157,334 km (0.056 R)
• M9: 10,398,847 km (0.063 R)
• M10: 13,212,334 km (0.044 R)
• M11: 15,133,769 km (0.056 R)
• M12: 18,889,424 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.7

Radius: 9.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.54 AU - 5.8 AU

Year: 6845 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,855,045 km

• M1: 123,119 km (0.119 R)
• M2: 590,014 km (0.075 R)
• M3: 1,627,326 km (0.055 R)
• M4: 3,302,074 km (0.051 R)
• M5: 3,628,496 km (0.041 R)
• M6: 4,931,643 km (0.081 R)
• M7: 5,750,991 km (0.095 R)
• M8: 6,064,698 km (0.091 R)
• M9: 6,624,493 km (0.067 R)
• M10: 7,254,300 km (0.09 R)
• M11: 7,809,308 km (0.102 R)
• M12: 8,312,854 km (0.062 R)
• M13: 10,734,246 km (0.09 R)
• M14: 11,357,321 km (0.092 R)
• M15: 11,953,767 km (0.114 R)
• M16: 12,466,589 km (0.08 R)
• M17: 13,371,955 km (0.12 R)
• M18: 15,194,506 km (0.051 R)
• M19: 16,919,968 km (0.103 R)
• M20: 17,962,665 km (0.106 R)
• M21: 18,909,769 km (0.099 R)
• M22: 24,557,986 km (0.08 R)
• M23: 30,096,399 km (0.091 R)
• M24: 30,758,818 km (0.105 R)
• M25: 31,819,617 km (0.08 R)
• M26: 32,211,264 km (0.108 R)
• M27: 32,804,868 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24

Radius: 8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.72 AU - 6.1 AU

Year: 9745 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,855,045 km

• M1: 344,673 km (0.06 R)
• M2: 696,228 km (0.099 R)
• M3: 959,970 km (0.099 R)
• M4: 1,836,164 km (0.029 R)
• M5: 3,326,009 km (0.034 R)
• M6: 4,979,664 km (0.085 R)
• M7: 6,033,581 km (0.112 R)
• M8: 11,265,617 km (0.059 R)
• M9: 11,528,311 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.7

Radius: 6.4

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.75 AU - 8.29 AU

Year: 13987 Days

Day: 17.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,855,045 km

• M1: 79,586 km (0.109 R)
• M2: 448,644 km (0.108 R)
• M3: 690,993 km (0.075 R)
• M4: 1,495,530 km (0.074 R)
• M5: 1,914,853 km (0.113 R)
• M6: 4,232,573 km (0.036 R)
• M7: 5,439,977 km (0.052 R)
• M8: 6,197,840 km (0.07 R)
• M9: 6,820,765 km (0.094 R)
• M10: 7,657,317 km (0.103 R)
• M11: 8,100,426 km (0.03 R)
• M12: 8,513,615 km (0.106 R)
• M13: 8,989,037 km (0.078 R)
• M14: 12,221,548 km (0.096 R)
• M15: 12,521,641 km (0.095 R)
• M16: 16,588,758 km (0.079 R)
• M17: 30,367,620 km (0.11 R)
• M18: 34,125,817 km (0.082 R)
• M19: 35,687,619 km (0.099 R)
• M20: 35,932,062 km (0.106 R)
• M21: 41,732,121 km (0.103 R)
• M22: 42,824,634 km (0.076 R)
• M23: 45,782,783 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171

Radius: 4.8

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.76 AU - 9.12 AU

Year: 15175 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 144.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,855,045 km

• M1: 59,839 km (0.116 R)
• M2: 368,609 km (0.098 R)
• M3: 609,761 km (0.106 R)
• M4: 842,984 km (0.084 R)
• M5: 1,060,649 km (0.085 R)
• M6: 1,637,648 km (0.058 R)
• M7: 1,963,173 km (0.064 R)
• M8: 2,384,141 km (0.1 R)
• M9: 2,549,746 km (0.108 R)
• M10: 3,114,628 km (0.089 R)
• M11: 3,426,539 km (0.12 R)
• M12: 3,734,561 km (0.059 R)
• M13: 4,271,019 km (0.05 R)
• M14: 4,488,235 km (0.118 R)
• M15: 5,064,038 km (0.074 R)
• M16: 6,153,559 km (0.079 R)
• M17: 9,821,998 km (0.112 R)
• M18: 10,249,249 km (0.057 R)
• M19: 19,383,845 km (0.097 R)
• M20: 21,761,703 km (0.098 R)
• M21: 22,162,476 km (0.047 R)
• M22: 22,324,191 km (0.106 R)
• M23: 25,283,536 km (0.095 R)
• M24: 25,815,805 km (0.104 R)
• M25: 28,398,912 km (0.098 R)
• M26: 31,148,969 km (0.057 R)
• M27: 31,555,876 km (0.068 R)
• M28: 32,588,400 km (0.091 R)
• M29: 32,902,556 km (0.025 R)
• M30: 33,218,656 km (0.096 R)
• M31: 35,158,192 km (0.074 R)
• M32: 36,717,900 km (0.052 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 18,602 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit