🌌 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: 370.8

Radius: 14.5

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.65 AU - 0.81 AU

Year: 403 Days

Day: 5.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,379,284 km

• M1: 180,265 km (0.105 R)
• M2: 917,933 km (0.089 R)
• M3: 1,447,958 km (0.058 R)
• M4: 1,952,701 km (0.114 R)
• M5: 2,532,393 km (0.072 R)
• M6: 3,083,960 km (0.11 R)
• M7: 3,636,275 km (0.038 R)
• M8: 4,254,563 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.7

Radius: 8.1

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.72 AU - 0.78 AU

Year: 419 Days

Day: 13.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,379,284 km

• M1: 104,868 km (0.116 R)
• M2: 581,188 km (0.104 R)
• M3: 919,279 km (0.103 R)
• M4: 1,282,503 km (0.104 R)
• M5: 1,746,854 km (0.083 R)
• M6: 3,031,750 km (0.107 R)
• M7: 4,698,720 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 8.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.77 AU - 0.79 AU

Year: 445 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,379,284 km

• M1: 110,702 km (0.047 R)
• M2: 451,038 km (0.04 R)
• M3: 753,674 km (0.048 R)
• M4: 1,042,697 km (0.12 R)
• M5: 1,447,808 km (0.071 R)
• M6: 2,677,054 km (0.049 R)
• M7: 4,179,765 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 12.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.7 AU - 1.04 AU

Year: 524 Days

Day: 5.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,379,284 km

• M1: 156,629 km (0.076 R)
• M2: 567,425 km (0.074 R)
• M3: 964,906 km (0.107 R)
• M4: 1,454,390 km (0.077 R)
• M5: 2,331,184 km (0.079 R)
• M6: 2,992,257 km (0.025 R)
• M7: 3,462,892 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.2

Radius: 10.5

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.19 AU - 1.19 AU

Year: 838 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,379,284 km

• M1: 130,599 km (0.073 R)
• M2: 506,838 km (0.116 R)
• M3: 852,708 km (0.109 R)
• M4: 1,385,875 km (0.07 R)
• M5: 1,836,314 km (0.071 R)
• M6: 2,810,645 km (0.036 R)
• M7: 3,384,951 km (0.12 R)
• M8: 3,911,835 km (0.09 R)
• M9: 4,391,894 km (0.117 R)
• M10: 4,839,491 km (0.081 R)
• M11: 5,185,810 km (0.116 R)
• M12: 5,706,261 km (0.097 R)
• M13: 6,607,140 km (0.111 R)
• M14: 7,011,353 km (0.096 R)
• M15: 7,432,022 km (0.071 R)
• M16: 8,505,686 km (0.087 R)
• M17: 9,313,963 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.6

Radius: 12.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.4 AU - 3.5 AU

Year: 3272 Days

Day: 5.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 120.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,379,284 km

• M1: 153,487 km (0.112 R)
• M2: 679,922 km (0.086 R)
• M3: 1,447,659 km (0.117 R)
• M4: 2,199,238 km (0.058 R)
• M5: 2,611,530 km (0.056 R)
• M6: 3,409,784 km (0.056 R)
• M7: 3,807,415 km (0.119 R)
• M8: 4,765,291 km (0.108 R)
• M9: 5,488,895 km (0.117 R)
• M10: 5,930,808 km (0.091 R)
• M11: 6,681,340 km (0.081 R)
• M12: 7,908,791 km (0.059 R)
• M13: 8,338,436 km (0.097 R)
• M14: 10,138,696 km (0.117 R)
• M15: 11,171,221 km (0.053 R)
• M16: 13,030,872 km (0.064 R)
• M17: 15,596,924 km (0.113 R)
• M18: 16,433,476 km (0.029 R)
• M19: 17,521,052 km (0.096 R)
• M20: 19,419,748 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.1

Radius: 6.8

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.77 AU - 7.39 AU

Year: 9680 Days

Day: 21.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,379,284 km

• M1: 84,822 km (0.066 R)
• M2: 321,037 km (0.113 R)
• M3: 654,191 km (0.104 R)
• M4: 995,424 km (0.118 R)
• M5: 1,841,550 km (0.102 R)
• M6: 2,085,694 km (0.089 R)
• M7: 2,931,221 km (0.044 R)
• M8: 3,743,388 km (0.083 R)
• M9: 4,061,732 km (0.115 R)
• M10: 4,478,212 km (0.115 R)
• M11: 5,185,661 km (0.101 R)
• M12: 6,607,888 km (0.107 R)
• M13: 8,354,443 km (0.088 R)
• M14: 8,813,858 km (0.1 R)
• M15: 9,114,849 km (0.098 R)
• M16: 10,246,108 km (0.083 R)
• M17: 11,266,365 km (0.049 R)
• M18: 11,827,058 km (0.114 R)
• M19: 13,059,445 km (0.115 R)
• M20: 13,450,793 km (0.115 R)
• M21: 16,803,880 km (0.098 R)
• M22: 20,152,778 km (0.094 R)
• M23: 22,696,989 km (0.1 R)
• M24: 24,171,276 km (0.09 R)
• M25: 24,761,440 km (0.098 R)
• M26: 25,882,975 km (0.056 R)
• M27: 29,450,286 km (0.082 R)
• M28: 29,930,196 km (0.094 R)
• M29: 31,103,043 km (0.043 R)
• M30: 33,436,022 km (0.025 R)
• M31: 34,168,602 km (0.09 R)
• M32: 36,430,672 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.2

Radius: 3.9

Gravity: 36.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.27 AU - 8.77 AU

Year: 14665 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,379,284 km

• M1: 48,470 km (0.114 R)
• M2: 209,736 km (0.088 R)
• M3: 351,555 km (0.053 R)
• M4: 730,337 km (0.031 R)
• M5: 1,311,525 km (0.084 R)
• M6: 1,633,160 km (0.074 R)
• M7: 2,270,148 km (0.093 R)
• M8: 2,846,249 km (0.053 R)
• M9: 5,187,157 km (0.105 R)
• M10: 6,292,685 km (0.112 R)
• M11: 6,942,388 km (0.108 R)
• M12: 7,590,895 km (0.081 R)
• M13: 8,858,588 km (0.114 R)
• M14: 13,236,420 km (0.11 R)
• M15: 16,664,455 km (0.115 R)
• M16: 27,037,272 km (0.07 R)
• M17: 30,851,270 km (0.06 R)
• M18: 31,886,786 km (0.11 R)
• M19: 34,392,999 km (0.104 R)
• M20: 40,335,027 km (0.098 R)
• M21: 40,881,807 km (0.101 R)
• M22: 43,834,270 km (0.03 R)
• M23: 46,475,421 km (0.119 R)
• M24: 54,364,465 km (0.111 R)
• M25: 55,367,219 km (0.076 R)
• M26: 57,582,016 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.8

Radius: 4.6

Gravity: 22.06 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.56 AU - 9.68 AU

Year: 14940 Days

Day: 20.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,379,284 km

• M1: 57,296 km (0.111 R)
• M2: 246,836 km (0.108 R)
• M3: 736,022 km (0.038 R)
• M4: 949,049 km (0.111 R)
• M5: 1,253,181 km (0.106 R)
• M6: 1,794,875 km (0.082 R)
• M7: 2,054,278 km (0.056 R)
• M8: 2,479,435 km (0.094 R)
• M9: 3,451,073 km (0.09 R)
• M10: 3,608,001 km (0.114 R)
• M11: 4,405,059 km (0.025 R)
• M12: 6,378,404 km (0.037 R)
• M13: 7,666,891 km (0.093 R)
• M14: 9,219,118 km (0.031 R)
• M15: 12,191,329 km (0.102 R)
• M16: 20,101,466 km (0.041 R)
• M17: 24,421,852 km (0.107 R)
• M18: 26,290,180 km (0.104 R)
• M19: 28,676,865 km (0.088 R)
• M20: 38,486,895 km (0.116 R)
• M21: 38,878,093 km (0.066 R)
• M22: 43,358,400 km (0.12 R)
• M23: 44,351,131 km (0.082 R)
• M24: 45,795,349 km (0.09 R)
• M25: 48,473,600 km (0.076 R)
• M26: 51,411,851 km (0.095 R)
• M27: 53,166,036 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.8

Radius: 5.1

Gravity: 17.91 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.54 AU - 10.44 AU

Year: 18876 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 157.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,379,284 km

• M1: 75,397 km (0.054 R)
• M2: 326,871 km (0.057 R)
• M3: 617,540 km (0.119 R)
• M4: 776,712 km (0.095 R)
• M5: 1,056,311 km (0.116 R)
• M6: 1,233,434 km (0.102 R)
• M7: 1,475,334 km (0.096 R)
• M8: 2,312,334 km (0.074 R)
• M9: 2,750,656 km (0.058 R)
• M10: 3,139,760 km (0.083 R)
• M11: 3,878,624 km (0.032 R)
• M12: 4,304,380 km (0.03 R)
• M13: 4,760,653 km (0.112 R)
• M14: 5,885,180 km (0.099 R)
• M15: 6,282,961 km (0.12 R)
• M16: 8,199,758 km (0.073 R)
• M17: 9,584,436 km (0.11 R)
• M18: 13,475,028 km (0.079 R)
• M19: 14,094,962 km (0.117 R)
• M20: 14,305,895 km (0.111 R)
• M21: 17,321,638 km (0.11 R)
• M22: 18,977,387 km (0.111 R)
• M23: 26,980,126 km (0.071 R)
• M24: 28,296,587 km (0.079 R)
• M25: 28,857,429 km (0.055 R)
• M26: 30,938,186 km (0.108 R)
• M27: 33,990,880 km (0.069 R)
• M28: 37,641,667 km (0.116 R)
• M29: 38,319,943 km (0.117 R)
• M30: 40,687,180 km (0.093 R)
• M31: 44,947,129 km (0.103 R)
• M32: 47,420,131 km (0.082 R)
• M33: 48,052,182 km (0.041 R)
• M34: 48,370,377 km (0.085 R)
• M35: 51,463,313 km (0.063 R)
• M36: 53,483,184 km (0.076 R)
• M37: 57,322,314 km (0.058 R)
• M38: 61,341,260 km (0.114 R)
• M39: 62,848,010 km (0.096 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 12,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit