🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 9.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.56 AU - 0.86 AU

Year: 406 Days

Day: 14.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,009,498 km

• M1: 120,576 km (0.065 R)
• M2: 453,282 km (0.111 R)
• M3: 822,489 km (0.114 R)
• M4: 1,365,380 km (0.047 R)
• M5: 1,706,313 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.3

Radius: 12.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.76 AU - 1.16 AU

Year: 638 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 126 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,009,498 km

• M1: 151,842 km (0.086 R)
• M2: 531,222 km (0.093 R)
• M3: 957,726 km (0.106 R)
• M4: 1,586,635 km (0.052 R)
• M5: 2,558,423 km (0.081 R)
• M6: 3,004,673 km (0.042 R)
• M7: 3,667,990 km (0.073 R)
• M8: 4,296,002 km (0.074 R)
• M9: 4,836,649 km (0.034 R)
• M10: 5,524,350 km (0.101 R)
• M11: 6,146,528 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.8

Radius: 14.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.88 AU - 1.18 AU

Year: 709 Days

Day: 10 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,009,498 km

• M1: 182,958 km (0.118 R)
• M2: 953,986 km (0.03 R)
• M3: 1,623,885 km (0.093 R)
• M4: 2,990,013 km (0.075 R)
• M5: 3,475,009 km (0.085 R)
• M6: 4,341,480 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.6

Radius: 8.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.22 AU - 1.46 AU

Year: 1052 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,009,498 km

• M1: 110,852 km (0.111 R)
• M2: 832,512 km (0.08 R)
• M3: 1,469,500 km (0.072 R)
• M4: 2,118,156 km (0.068 R)
• M5: 2,618,860 km (0.073 R)
• M6: 3,726,483 km (0.104 R)
• M7: 4,080,880 km (0.075 R)
• M8: 4,688,248 km (0.076 R)
• M9: 6,367,035 km (0.094 R)
• M10: 7,525,072 km (0.117 R)
• M11: 7,805,718 km (0.096 R)
• M12: 8,190,783 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.7

Radius: 8.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.58 AU - 4.66 AU

Year: 5672 Days

Day: 6.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,009,498 km

• M1: 103,522 km (0.042 R)
• M2: 1,103,135 km (0.097 R)
• M3: 1,440,627 km (0.108 R)
• M4: 3,555,044 km (0.115 R)
• M5: 5,814,420 km (0.097 R)
• M6: 6,340,706 km (0.108 R)
• M7: 7,880,666 km (0.098 R)
• M8: 9,047,230 km (0.105 R)
• M9: 10,120,894 km (0.119 R)
• M10: 11,533,397 km (0.089 R)
• M11: 13,933,546 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.7

Radius: 3.4

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.68 AU - 7.22 AU

Year: 11110 Days

Day: 16.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,009,498 km

• M1: 42,336 km (0.105 R)
• M2: 182,809 km (0.119 R)
• M3: 297,251 km (0.095 R)
• M4: 493,972 km (0.108 R)
• M5: 676,482 km (0.101 R)
• M6: 885,619 km (0.095 R)
• M7: 1,057,358 km (0.09 R)
• M8: 1,669,512 km (0.034 R)
• M9: 2,238,583 km (0.093 R)
• M10: 3,246,274 km (0.052 R)
• M11: 5,172,346 km (0.11 R)
• M12: 9,583,688 km (0.049 R)
• M13: 10,465,119 km (0.111 R)
• M14: 11,447,528 km (0.102 R)
• M15: 13,218,767 km (0.109 R)
• M16: 13,378,538 km (0.059 R)
• M17: 16,852,200 km (0.056 R)
• M18: 17,420,223 km (0.026 R)
• M19: 18,263,058 km (0.117 R)
• M20: 20,099,671 km (0.087 R)
• M21: 22,355,906 km (0.05 R)
• M22: 26,679,135 km (0.054 R)
• M23: 27,536,480 km (0.067 R)
• M24: 28,147,438 km (0.117 R)
• M25: 29,035,900 km (0.109 R)
• M26: 30,126,468 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.4

Radius: 3.7

Gravity: 41.59 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.61 AU - 9.47 AU

Year: 15462 Days

Day: 20.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,009,498 km

• M1: 132,843 km (0.079 R)
• M2: 326,423 km (0.111 R)
• M3: 520,601 km (0.08 R)
• M4: 1,367,923 km (0.074 R)
• M5: 2,371,276 km (0.084 R)
• M6: 2,540,321 km (0.096 R)
• M7: 2,926,434 km (0.106 R)
• M8: 3,900,016 km (0.087 R)
• M9: 5,496,824 km (0.099 R)
• M10: 7,044,265 km (0.074 R)
• M11: 9,423,170 km (0.099 R)
• M12: 9,633,953 km (0.106 R)
• M13: 10,010,192 km (0.069 R)
• M14: 10,792,140 km (0.102 R)
• M15: 14,607,035 km (0.084 R)
• M16: 14,889,326 km (0.1 R)
• M17: 15,684,290 km (0.105 R)
• M18: 16,583,373 km (0.078 R)
• M19: 17,675,138 km (0.099 R)
• M20: 18,157,442 km (0.088 R)
• M21: 23,088,935 km (0.066 R)
• M22: 23,471,906 km (0.096 R)
• M23: 27,644,789 km (0.068 R)
• M24: 28,732,665 km (0.093 R)
• M25: 36,637,267 km (0.118 R)
• M26: 37,552,058 km (0.062 R)
• M27: 38,615,998 km (0.039 R)
• M28: 39,155,447 km (0.098 R)
• M29: 42,212,480 km (0.075 R)
• M30: 42,641,227 km (0.09 R)
• M31: 45,874,935 km (0.116 R)
• M32: 51,350,217 km (0.1 R)
• M33: 53,991,966 km (0.11 R)
• M34: 56,031,733 km (0.088 R)
• M35: 58,298,739 km (0.049 R)

Asteroid Belt

Center: 8.81 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.4

Radius: 5.3

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.56 AU - 10.6 AU

Year: 20111 Days

Day: 16 Hours

Environment

Temp: -229 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,009,498 km

• M1: 66,571 km (0.055 R)
• M2: 231,428 km (0.112 R)
• M3: 430,094 km (0.102 R)
• M4: 764,894 km (0.041 R)
• M5: 1,112,859 km (0.087 R)
• M6: 2,392,070 km (0.05 R)
• M7: 3,055,387 km (0.048 R)
• M8: 4,772,471 km (0.088 R)
• M9: 5,814,869 km (0.119 R)
• M10: 6,956,002 km (0.106 R)
• M11: 7,414,070 km (0.059 R)
• M12: 9,394,746 km (0.12 R)
• M13: 11,387,689 km (0.058 R)
• M14: 14,954,701 km (0.086 R)
• M15: 16,907,851 km (0.028 R)
• M16: 17,567,278 km (0.12 R)
• M17: 19,024,960 km (0.082 R)
• M18: 19,379,357 km (0.099 R)
• M19: 25,236,562 km (0.118 R)
• M20: 27,199,885 km (0.111 R)
• M21: 34,215,576 km (0.082 R)
• M22: 34,608,121 km (0.115 R)
• M23: 35,003,658 km (0.076 R)
• M24: 42,047,174 km (0.095 R)
• M25: 44,331,085 km (0.075 R)
• M26: 51,163,220 km (0.03 R)
• M27: 62,871,497 km (0.12 R)
• M28: 65,248,757 km (0.043 R)
• M29: 65,449,517 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.5

Radius: 4.3

Gravity: 39.18 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.47 AU - 11.97 AU

Year: 22160 Days

Day: 16.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,009,498 km

• M1: 53,556 km (0.094 R)
• M2: 235,766 km (0.048 R)
• M3: 578,794 km (0.08 R)
• M4: 1,545,346 km (0.115 R)
• M5: 1,953,748 km (0.11 R)
• M6: 3,610,245 km (0.115 R)
• M7: 5,283,348 km (0.042 R)
• M8: 7,265,520 km (0.078 R)
• M9: 7,816,190 km (0.082 R)
• M10: 10,610,678 km (0.086 R)
• M11: 11,057,676 km (0.118 R)
• M12: 12,473,770 km (0.07 R)
• M13: 13,482,209 km (0.069 R)
• M14: 16,072,346 km (0.117 R)
• M15: 16,918,173 km (0.108 R)
• M16: 19,162,141 km (0.1 R)
• M17: 20,209,326 km (0.102 R)
• M18: 22,004,351 km (0.101 R)
• M19: 29,494,118 km (0.049 R)
• M20: 31,405,231 km (0.095 R)
• M21: 32,324,809 km (0.045 R)
• M22: 33,397,425 km (0.099 R)
• M23: 35,472,198 km (0.091 R)
• M24: 35,755,237 km (0.097 R)
• M25: 37,631,344 km (0.089 R)
• M26: 38,073,406 km (0.063 R)
• M27: 48,002,815 km (0.064 R)
• M28: 51,540,206 km (0.045 R)
• M29: 55,057,851 km (0.052 R)
• M30: 56,778,675 km (0.065 R)
• M31: 59,326,925 km (0.04 R)
• M32: 59,725,603 km (0.098 R)
• M33: 65,496,641 km (0.08 R)
• M34: 67,861,783 km (0.12 R)
• M35: 68,735,734 km (0.113 R)
• M36: 72,080,144 km (0.102 R)
• M37: 74,832,445 km (0.099 R)
• M38: 82,017,930 km (0.078 R)
• M39: 83,009,465 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 17,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit