🌌 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: 644

Radius: 9.1

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.7 AU - 0.76 AU

Year: 431 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,494,087 km

• M1: 113,096 km (0.058 R)
• M2: 591,660 km (0.063 R)
• M3: 1,090,419 km (0.088 R)
• M4: 1,454,390 km (0.077 R)
• M5: 1,836,912 km (0.077 R)
• M6: 2,137,155 km (0.086 R)
• M7: 2,527,606 km (0.111 R)
• M8: 2,997,642 km (0.067 R)
• M9: 3,452,868 km (0.073 R)
• M10: 3,901,512 km (0.082 R)
• M11: 4,870,308 km (0.118 R)
• M12: 5,322,243 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.5

Radius: 8.3

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.82 AU - 4.36 AU

Year: 5709 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,494,087 km

• M1: 104,120 km (0.116 R)
• M2: 363,972 km (0.066 R)
• M3: 765,642 km (0.117 R)
• M4: 1,615,657 km (0.119 R)
• M5: 2,076,867 km (0.117 R)
• M6: 2,460,586 km (0.083 R)
• M7: 3,072,740 km (0.042 R)
• M8: 3,854,539 km (0.089 R)
• M9: 4,652,344 km (0.033 R)
• M10: 5,017,961 km (0.067 R)
• M11: 5,402,578 km (0.101 R)
• M12: 7,591,194 km (0.097 R)
• M13: 9,138,784 km (0.104 R)
• M14: 9,578,752 km (0.109 R)
• M15: 11,532,051 km (0.045 R)
• M16: 11,941,949 km (0.031 R)
• M17: 12,521,491 km (0.097 R)
• M18: 12,845,520 km (0.077 R)
• M19: 18,125,727 km (0.061 R)
• M20: 18,961,680 km (0.081 R)
• M21: 19,750,360 km (0.077 R)
• M22: 21,623,774 km (0.067 R)
• M23: 25,289,370 km (0.08 R)
• M24: 26,775,775 km (0.102 R)
• M25: 28,597,877 km (0.073 R)
• M26: 31,285,552 km (0.086 R)
• M27: 33,719,510 km (0.086 R)
• M28: 34,452,539 km (0.075 R)
• M29: 35,303,302 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.6

Radius: 10.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.34 AU - 5.38 AU

Year: 8566 Days

Day: 8.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,494,087 km

• M1: 133,142 km (0.118 R)
• M2: 646,562 km (0.111 R)
• M3: 1,213,987 km (0.071 R)
• M4: 1,752,389 km (0.112 R)
• M5: 2,256,534 km (0.114 R)
• M6: 2,875,570 km (0.099 R)
• M7: 3,225,629 km (0.102 R)
• M8: 4,062,929 km (0.102 R)
• M9: 5,216,179 km (0.109 R)
• M10: 5,614,109 km (0.091 R)
• M11: 6,505,712 km (0.091 R)
• M12: 8,527,228 km (0.118 R)
• M13: 9,080,890 km (0.098 R)
• M14: 9,478,222 km (0.037 R)
• M15: 10,119,398 km (0.083 R)
• M16: 10,594,820 km (0.032 R)
• M17: 11,035,386 km (0.108 R)
• M18: 15,074,678 km (0.083 R)
• M19: 18,844,096 km (0.108 R)
• M20: 19,784,169 km (0.081 R)
• M21: 20,983,944 km (0.119 R)
• M22: 22,470,947 km (0.054 R)
• M23: 26,360,042 km (0.117 R)
• M24: 27,443,879 km (0.066 R)
• M25: 30,185,559 km (0.086 R)
• M26: 33,731,627 km (0.115 R)
• M27: 35,008,744 km (0.099 R)
• M28: 36,984,483 km (0.052 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.5

Radius: 6.1

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 6.5 AU - 7.7 AU

Year: 13059 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,494,087 km

• M1: 75,846 km (0.092 R)
• M2: 315,352 km (0.094 R)
• M3: 718,967 km (0.072 R)
• M4: 1,405,322 km (0.072 R)
• M5: 1,634,357 km (0.101 R)
• M6: 2,713,107 km (0.118 R)
• M7: 7,571,148 km (0.053 R)
• M8: 7,836,086 km (0.087 R)
• M9: 8,921,419 km (0.058 R)
• M10: 10,711,656 km (0.118 R)
• M11: 13,245,695 km (0.082 R)
• M12: 16,592,797 km (0.098 R)
• M13: 18,609,676 km (0.063 R)
• M14: 19,583,857 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 917.2

Radius: 6.9

Gravity: 19.26 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 6.42 AU - 8.28 AU

Year: 13754 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,494,087 km

• M1: 85,869 km (0.064 R)
• M2: 353,051 km (0.091 R)
• M3: 1,644,679 km (0.118 R)
• M4: 3,610,245 km (0.077 R)
• M5: 4,076,991 km (0.066 R)
• M6: 4,325,174 km (0.117 R)
• M7: 7,257,442 km (0.085 R)
• M8: 8,048,515 km (0.094 R)
• M9: 8,390,496 km (0.111 R)
• M10: 10,883,544 km (0.066 R)
• M11: 13,016,511 km (0.034 R)
• M12: 14,608,082 km (0.113 R)
• M13: 14,824,850 km (0.104 R)
• M14: 16,952,580 km (0.057 R)
• M15: 18,172,401 km (0.046 R)
• M16: 18,423,277 km (0.105 R)
• M17: 21,060,089 km (0.044 R)
• M18: 22,564,445 km (0.11 R)
• M19: 24,340,920 km (0.034 R)
• M20: 28,169,578 km (0.12 R)
• M21: 29,071,803 km (0.102 R)
• M22: 30,696,885 km (0.038 R)
• M23: 35,022,657 km (0.059 R)
• M24: 39,318,060 km (0.074 R)
• M25: 44,859,315 km (0.07 R)
• M26: 47,974,691 km (0.071 R)
• M27: 50,403,861 km (0.12 R)
• M28: 53,254,448 km (0.078 R)
• M29: 56,210,951 km (0.037 R)
• M30: 64,173,447 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.8

Radius: 3.1

Gravity: 65.43 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 7.88 AU - 8.32 AU

Year: 15913 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,494,087 km

• M1: 38,596 km (0.027 R)
• M2: 153,787 km (0.07 R)
• M3: 313,408 km (0.11 R)
• M4: 473,776 km (0.063 R)
• M5: 705,055 km (0.117 R)
• M6: 1,179,729 km (0.103 R)
• M7: 1,667,567 km (0.078 R)
• M8: 2,806,157 km (0.116 R)
• M9: 2,999,138 km (0.077 R)
• M10: 3,802,628 km (0.096 R)
• M11: 4,573,955 km (0.103 R)
• M12: 6,336,667 km (0.101 R)
• M13: 6,968,867 km (0.088 R)
• M14: 7,144,346 km (0.112 R)
• M15: 7,688,283 km (0.031 R)
• M16: 9,064,285 km (0.05 R)
• M17: 10,886,536 km (0.07 R)
• M18: 11,302,119 km (0.105 R)
• M19: 12,612,596 km (0.106 R)
• M20: 13,004,842 km (0.111 R)
• M21: 15,754,750 km (0.084 R)
• M22: 16,363,015 km (0.103 R)
• M23: 17,465,103 km (0.097 R)
• M24: 19,294,984 km (0.116 R)
• M25: 19,815,435 km (0.048 R)
• M26: 20,613,539 km (0.061 R)
• M27: 21,248,882 km (0.069 R)
• M28: 23,921,148 km (0.085 R)
• M29: 25,752,226 km (0.094 R)
• M30: 25,856,646 km (0.119 R)
• M31: 27,239,528 km (0.103 R)
• M32: 28,670,881 km (0.075 R)
• M33: 28,782,930 km (0.102 R)
• M34: 29,805,431 km (0.119 R)
• M35: 30,035,812 km (0.117 R)
• M36: 33,388,150 km (0.047 R)
• M37: 36,190,567 km (0.117 R)
• M38: 36,452,962 km (0.11 R)
• M39: 52,912,019 km (0.027 R)
• M40: 61,609,340 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 15,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit