🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571

Radius: 12.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.61 AU - 0.73 AU

Year: 379 Days

Day: 13.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,443,298 km

• M1: 156,479 km (0.077 R)
• M2: 690,544 km (0.116 R)
• M3: 1,209,798 km (0.066 R)
• M4: 1,618,499 km (0.099 R)
• M5: 2,129,226 km (0.119 R)
• M6: 2,558,722 km (0.102 R)
• M7: 3,773,756 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 13.7

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.57 AU - 1.89 AU

Year: 1571 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,443,298 km

• M1: 170,542 km (0.09 R)
• M2: 812,915 km (0.111 R)
• M3: 1,303,147 km (0.102 R)
• M4: 2,063,403 km (0.058 R)
• M5: 2,582,658 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.2

Radius: 10.8

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.78 AU - 2.38 AU

Year: 2071 Days

Day: 12.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,443,298 km

• M1: 142,118 km (0.099 R)
• M2: 634,445 km (0.084 R)
• M3: 1,006,345 km (0.102 R)
• M4: 1,460,823 km (0.057 R)
• M5: 2,069,836 km (0.058 R)
• M6: 2,546,605 km (0.071 R)
• M7: 2,960,691 km (0.089 R)
• M8: 5,430,552 km (0.106 R)
• M9: 6,303,007 km (0.091 R)
• M10: 7,701,448 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.9

Radius: 10.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.54 AU - 2.84 AU

Year: 3045 Days

Day: 13.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,443,298 km

• M1: 129,402 km (0.053 R)
• M2: 570,566 km (0.09 R)
• M3: 991,086 km (0.068 R)
• M4: 1,648,868 km (0.038 R)
• M5: 2,118,755 km (0.114 R)
• M6: 2,823,361 km (0.031 R)
• M7: 3,214,260 km (0.081 R)
• M8: 3,623,560 km (0.096 R)
• M9: 4,323,079 km (0.115 R)
• M10: 6,374,515 km (0.051 R)
• M11: 7,079,869 km (0.085 R)
• M12: 9,071,166 km (0.118 R)
• M13: 11,141,002 km (0.104 R)
• M14: 11,684,342 km (0.04 R)
• M15: 12,491,123 km (0.105 R)
• M16: 13,334,705 km (0.081 R)
• M17: 15,041,468 km (0.064 R)
• M18: 15,371,032 km (0.084 R)
• M19: 16,044,820 km (0.085 R)
• M20: 16,738,207 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149

Radius: 12.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.04 AU - 3.38 AU

Year: 3079 Days

Day: 9.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,443,298 km

• M1: 157,527 km (0.103 R)
• M2: 632,051 km (0.111 R)
• M3: 1,125,874 km (0.091 R)
• M4: 1,557,463 km (0.099 R)
• M5: 2,259,227 km (0.086 R)
• M6: 3,312,546 km (0.097 R)
• M7: 3,857,082 km (0.087 R)
• M8: 4,727,442 km (0.06 R)
• M9: 5,335,109 km (0.071 R)
• M10: 7,239,939 km (0.062 R)
• M11: 11,792,501 km (0.032 R)
• M12: 12,531,963 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589

Radius: 10

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.85 AU - 3.69 AU

Year: 4082 Days

Day: 14.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,443,298 km

• M1: 124,316 km (0.081 R)
• M2: 911,799 km (0.068 R)
• M3: 1,298,360 km (0.068 R)
• M4: 1,769,892 km (0.075 R)
• M5: 2,136,407 km (0.112 R)
• M6: 2,506,213 km (0.097 R)
• M7: 3,060,324 km (0.066 R)
• M8: 3,415,319 km (0.087 R)
• M9: 3,945,793 km (0.078 R)
• M10: 4,506,935 km (0.108 R)
• M11: 5,844,789 km (0.044 R)
• M12: 6,334,871 km (0.072 R)
• M13: 6,758,832 km (0.052 R)
• M14: 7,867,801 km (0.11 R)
• M15: 8,466,043 km (0.083 R)
• M16: 9,018,657 km (0.05 R)
• M17: 9,753,033 km (0.071 R)
• M18: 10,737,088 km (0.07 R)
• M19: 11,079,368 km (0.088 R)
• M20: 11,696,010 km (0.067 R)
• M21: 12,242,641 km (0.108 R)
• M22: 12,901,769 km (0.102 R)
• M23: 13,288,928 km (0.108 R)
• M24: 13,683,867 km (0.056 R)
• M25: 19,054,580 km (0.109 R)
• M26: 21,385,913 km (0.07 R)
• M27: 22,830,430 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.6

Radius: 11.2

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.23 AU - 3.59 AU

Year: 4347 Days

Day: 6.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,443,298 km

• M1: 139,425 km (0.087 R)
• M2: 499,358 km (0.12 R)
• M3: 1,098,497 km (0.098 R)
• M4: 1,604,736 km (0.101 R)
• M5: 2,101,102 km (0.031 R)
• M6: 3,508,818 km (0.086 R)
• M7: 4,004,885 km (0.106 R)
• M8: 4,353,298 km (0.118 R)
• M9: 5,466,605 km (0.109 R)
• M10: 5,985,560 km (0.051 R)
• M11: 7,462,391 km (0.095 R)
• M12: 8,065,420 km (0.1 R)
• M13: 8,700,762 km (0.115 R)
• M14: 9,695,288 km (0.114 R)
• M15: 10,113,714 km (0.111 R)
• M16: 10,500,574 km (0.063 R)
• M17: 11,258,437 km (0.068 R)
• M18: 12,833,403 km (0.098 R)
• M19: 13,287,283 km (0.101 R)
• M20: 13,804,144 km (0.115 R)
• M21: 15,323,160 km (0.068 R)
• M22: 15,949,527 km (0.075 R)
• M23: 21,238,559 km (0.111 R)
• M24: 22,888,474 km (0.066 R)
• M25: 24,699,506 km (0.115 R)
• M26: 25,245,239 km (0.034 R)
• M27: 25,958,821 km (0.081 R)
• M28: 27,260,322 km (0.119 R)
• M29: 27,675,905 km (0.033 R)
• M30: 28,095,677 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.7

Radius: 13.1

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.25 AU - 4.07 AU

Year: 4833 Days

Day: 8.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,443,298 km

• M1: 162,912 km (0.091 R)
• M2: 813,513 km (0.054 R)
• M3: 2,250,401 km (0.095 R)
• M4: 3,205,284 km (0.119 R)
• M5: 3,684,895 km (0.043 R)
• M6: 4,506,337 km (0.12 R)
• M7: 6,543,411 km (0.066 R)
• M8: 10,554,878 km (0.085 R)
• M9: 11,231,509 km (0.107 R)
• M10: 13,632,106 km (0.112 R)
• M11: 14,180,831 km (0.091 R)
• M12: 14,589,084 km (0.103 R)
• M13: 15,216,198 km (0.103 R)
• M14: 16,412,682 km (0.068 R)
• M15: 18,323,645 km (0.117 R)
• M16: 19,803,766 km (0.036 R)
• M17: 20,573,148 km (0.077 R)
• M18: 23,994,900 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.3

Radius: 9.5

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.46 AU - 5.52 AU

Year: 6567 Days

Day: 13 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,443,298 km

• M1: 119,230 km (0.057 R)
• M2: 597,643 km (0.075 R)
• M3: 1,144,723 km (0.048 R)
• M4: 1,460,823 km (0.048 R)
• M5: 1,970,204 km (0.094 R)
• M6: 3,389,289 km (0.072 R)
• M7: 4,472,079 km (0.119 R)
• M8: 6,198,737 km (0.112 R)
• M9: 7,192,516 km (0.081 R)
• M10: 7,610,792 km (0.079 R)
• M11: 8,412,935 km (0.104 R)
• M12: 10,761,921 km (0.034 R)
• M13: 11,668,036 km (0.052 R)
• M14: 16,776,803 km (0.067 R)
• M15: 17,786,738 km (0.112 R)
• M16: 18,132,309 km (0.034 R)
• M17: 22,716,885 km (0.112 R)
• M18: 27,464,972 km (0.094 R)
• M19: 32,939,058 km (0.076 R)
• M20: 34,520,008 km (0.12 R)
• M21: 38,404,915 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.5

Radius: 4.9

Gravity: 27.84 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.49 AU - 9.37 AU

Year: 16895 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,443,298 km

• M1: 61,186 km (0.057 R)
• M2: 226,790 km (0.093 R)
• M3: 380,427 km (0.096 R)
• M4: 537,804 km (0.085 R)
• M5: 759,060 km (0.071 R)
• M6: 1,126,472 km (0.072 R)
• M7: 1,431,951 km (0.046 R)
• M8: 1,653,804 km (0.09 R)
• M9: 1,916,947 km (0.061 R)
• M10: 2,732,704 km (0.109 R)
• M11: 3,758,347 km (0.041 R)
• M12: 5,160,977 km (0.09 R)
• M13: 5,879,496 km (0.036 R)
• M14: 6,366,287 km (0.119 R)
• M15: 9,700,375 km (0.093 R)
• M16: 10,149,468 km (0.065 R)
• M17: 11,767,967 km (0.077 R)
• M18: 13,072,460 km (0.095 R)
• M19: 14,326,390 km (0.108 R)
• M20: 16,432,877 km (0.08 R)
• M21: 16,590,853 km (0.087 R)
• M22: 16,989,980 km (0.079 R)
• M23: 18,480,573 km (0.062 R)
• M24: 19,787,460 km (0.063 R)
• M25: 22,486,654 km (0.106 R)
• M26: 22,877,254 km (0.036 R)
• M27: 33,536,103 km (0.118 R)
• M28: 35,606,088 km (0.075 R)
• M29: 37,485,935 km (0.11 R)
• M30: 42,176,726 km (0.085 R)
• M31: 49,510,911 km (0.06 R)
• M32: 54,085,764 km (0.108 R)
• M33: 55,671,202 km (0.035 R)
• M34: 56,925,431 km (0.085 R)
• M35: 64,064,839 km (0.108 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: 419 - 19,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit