🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.2

Radius: 9.2

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.47 AU - 0.75 AU

Year: 329 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 24,220,768 km

• M1: 121,473 km (0.064 R)
• M2: 480,658 km (0.104 R)
• M3: 1,237,324 km (0.032 R)
• M4: 1,530,536 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.3

Radius: 14.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.74 AU - 0.88 AU

Year: 503 Days

Day: 12.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 24,220,768 km

• M1: 185,352 km (0.108 R)
• M2: 720,463 km (0.107 R)
• M3: 2,046,499 km (0.098 R)
• M4: 2,780,875 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 9.9

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.28 AU - 1.76 AU

Year: 1294 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,220,768 km

• M1: 123,867 km (0.102 R)
• M2: 434,133 km (0.108 R)
• M3: 923,318 km (0.117 R)
• M4: 1,461,122 km (0.087 R)
• M5: 1,842,597 km (0.099 R)
• M6: 2,837,722 km (0.099 R)
• M7: 4,374,990 km (0.079 R)
• M8: 4,735,521 km (0.028 R)
• M9: 5,409,010 km (0.058 R)
• M10: 6,075,469 km (0.071 R)
• M11: 6,573,929 km (0.054 R)
• M12: 7,306,809 km (0.079 R)
• M13: 8,262,889 km (0.118 R)
• M14: 9,675,093 km (0.107 R)
• M15: 10,190,757 km (0.071 R)
• M16: 11,032,993 km (0.069 R)
• M17: 12,104,263 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.3

Radius: 14.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.68 AU - 2.5 AU

Year: 2086 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,220,768 km

• M1: 177,124 km (0.114 R)
• M2: 1,049,429 km (0.101 R)
• M3: 2,150,170 km (0.07 R)
• M4: 2,665,984 km (0.105 R)
• M5: 4,419,570 km (0.079 R)
• M6: 4,871,954 km (0.085 R)
• M7: 5,714,938 km (0.119 R)
• M8: 6,171,810 km (0.028 R)
• M9: 7,503,829 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.7

Radius: 10.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.43 AU - 4.09 AU

Year: 5033 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,220,768 km

• M1: 129,402 km (0.098 R)
• M2: 699,819 km (0.118 R)
• M3: 1,349,373 km (0.062 R)
• M4: 2,397,755 km (0.119 R)
• M5: 3,260,785 km (0.099 R)
• M6: 3,742,340 km (0.117 R)
• M7: 4,175,426 km (0.114 R)
• M8: 6,315,873 km (0.101 R)
• M9: 6,799,074 km (0.098 R)
• M10: 9,102,881 km (0.101 R)
• M11: 10,675,753 km (0.108 R)
• M12: 12,571,756 km (0.12 R)
• M13: 15,074,828 km (0.081 R)
• M14: 19,932,869 km (0.111 R)
• M15: 23,619,260 km (0.05 R)
• M16: 27,993,053 km (0.099 R)
• M17: 29,563,232 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 10.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.63 AU - 5.09 AU

Year: 6284 Days

Day: 7 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,220,768 km

• M1: 134,339 km (0.032 R)
• M2: 798,853 km (0.096 R)
• M3: 1,197,980 km (0.092 R)
• M4: 1,548,039 km (0.057 R)
• M5: 2,321,011 km (0.095 R)
• M6: 2,686,329 km (0.118 R)
• M7: 3,920,960 km (0.037 R)
• M8: 4,597,591 km (0.111 R)
• M9: 6,747,014 km (0.082 R)
• M10: 8,541,739 km (0.098 R)
• M11: 9,313,066 km (0.058 R)
• M12: 10,674,406 km (0.119 R)
• M13: 12,121,167 km (0.075 R)
• M14: 14,168,115 km (0.089 R)
• M15: 15,860,366 km (0.104 R)
• M16: 16,277,296 km (0.059 R)
• M17: 17,187,898 km (0.069 R)
• M18: 20,305,966 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.1

Radius: 7.7

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.04 AU - 6.8 AU

Year: 9942 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,220,768 km

• M1: 95,743 km (0.085 R)
• M2: 427,850 km (0.086 R)
• M3: 796,160 km (0.101 R)
• M4: 1,496,428 km (0.077 R)
• M5: 2,188,916 km (0.059 R)
• M6: 3,220,244 km (0.118 R)
• M7: 3,739,947 km (0.068 R)
• M8: 3,996,208 km (0.077 R)
• M9: 4,918,628 km (0.059 R)
• M10: 5,227,099 km (0.093 R)
• M11: 6,491,800 km (0.098 R)
• M12: 6,863,401 km (0.117 R)
• M13: 8,140,667 km (0.078 R)
• M14: 9,612,411 km (0.102 R)
• M15: 13,020,251 km (0.116 R)
• M16: 14,503,813 km (0.118 R)
• M17: 15,256,888 km (0.063 R)
• M18: 16,157,916 km (0.073 R)
• M19: 18,065,588 km (0.105 R)
• M20: 18,733,543 km (0.059 R)
• M21: 19,005,362 km (0.106 R)
• M22: 20,763,736 km (0.118 R)
• M23: 21,054,853 km (0.075 R)
• M24: 24,520,138 km (0.111 R)
• M25: 28,080,867 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.4

Radius: 6.3

Gravity: 22.43 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.98 AU - 7.9 AU

Year: 11281 Days

Day: 22.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 24,220,768 km

• M1: 78,688 km (0.079 R)
• M2: 293,212 km (0.062 R)
• M3: 689,347 km (0.107 R)
• M4: 910,901 km (0.101 R)
• M5: 1,168,060 km (0.075 R)
• M6: 1,416,542 km (0.101 R)
• M7: 2,149,871 km (0.109 R)
• M8: 5,481,416 km (0.076 R)
• M9: 6,107,034 km (0.101 R)
• M10: 7,325,808 km (0.099 R)
• M11: 8,506,285 km (0.039 R)
• M12: 9,496,772 km (0.111 R)
• M13: 9,966,809 km (0.045 R)
• M14: 14,166,170 km (0.101 R)
• M15: 16,353,441 km (0.099 R)
• M16: 18,035,818 km (0.095 R)
• M17: 23,204,425 km (0.034 R)
• M18: 23,486,118 km (0.092 R)
• M19: 24,344,660 km (0.05 R)
• M20: 25,422,363 km (0.093 R)
• M21: 26,124,426 km (0.118 R)
• M22: 27,672,315 km (0.107 R)
• M23: 33,871,351 km (0.09 R)
• M24: 36,337,024 km (0.073 R)
• M25: 37,356,084 km (0.05 R)
• M26: 42,597,246 km (0.11 R)
• M27: 44,592,283 km (0.041 R)
• M28: 45,466,084 km (0.117 R)
• M29: 46,351,105 km (0.068 R)
• M30: 48,461,033 km (0.051 R)
• M31: 49,694,917 km (0.094 R)
• M32: 53,685,889 km (0.079 R)
• M33: 56,688,019 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510

Radius: 7.2

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.46 AU - 9.6 AU

Year: 15707 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 24,220,768 km

• M1: 90,806 km (0.1 R)
• M2: 325,076 km (0.082 R)
• M3: 587,172 km (0.096 R)
• M4: 1,027,438 km (0.08 R)
• M5: 1,403,976 km (0.113 R)
• M6: 1,752,539 km (0.086 R)
• M7: 2,157,800 km (0.108 R)
• M8: 2,602,554 km (0.088 R)
• M9: 3,155,767 km (0.108 R)
• M10: 4,188,591 km (0.076 R)
• M11: 5,185,212 km (0.111 R)
• M12: 7,069,995 km (0.073 R)
• M13: 7,372,183 km (0.075 R)
• M14: 7,773,405 km (0.106 R)
• M15: 8,283,384 km (0.117 R)
• M16: 8,717,068 km (0.099 R)
• M17: 9,841,146 km (0.1 R)
• M18: 10,272,886 km (0.081 R)
• M19: 11,823,767 km (0.098 R)
• M20: 12,686,498 km (0.107 R)
• M21: 14,536,874 km (0.054 R)
• M22: 15,964,038 km (0.115 R)
• M23: 16,863,719 km (0.086 R)
• M24: 17,248,485 km (0.068 R)
• M25: 18,035,519 km (0.106 R)
• M26: 20,021,581 km (0.073 R)
• M27: 20,890,595 km (0.085 R)
• M28: 21,784,592 km (0.025 R)
• M29: 24,520,886 km (0.08 R)
• M30: 28,226,126 km (0.082 R)
• M31: 29,318,041 km (0.115 R)
• M32: 31,123,089 km (0.066 R)
• M33: 37,500,297 km (0.041 R)
• M34: 40,168,375 km (0.081 R)
• M35: 40,716,651 km (0.038 R)
• M36: 43,246,351 km (0.089 R)
• M37: 47,999,075 km (0.091 R)
• M38: 56,445,221 km (0.038 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.5

Radius: 6.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.96 AU - 9.58 AU

Year: 17927 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,220,768 km

• M1: 82,578 km (0.12 R)
• M2: 353,350 km (0.102 R)
• M3: 676,930 km (0.112 R)
• M4: 1,615,358 km (0.065 R)
• M5: 2,124,290 km (0.088 R)
• M6: 2,556,328 km (0.043 R)
• M7: 5,244,004 km (0.115 R)
• M8: 5,615,156 km (0.106 R)
• M9: 7,277,338 km (0.103 R)
• M10: 8,648,851 km (0.037 R)
• M11: 14,958,590 km (0.072 R)
• M12: 18,272,333 km (0.088 R)
• M13: 21,106,464 km (0.116 R)
• M14: 22,731,696 km (0.079 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: 224 - 14,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit