🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 11.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.51 AU - 0.55 AU

Year: 257 Days

Day: 15 Hours

Environment

Temp: -143 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,688,805 km

• M1: 140,472 km (0.107 R)
• M2: 543,190 km (0.059 R)
• M3: 904,020 km (0.09 R)
• M4: 1,351,018 km (0.093 R)
• M5: 1,782,010 km (0.106 R)
• M6: 2,257,282 km (0.057 R)
• M7: 2,780,127 km (0.1 R)
• M8: 3,149,484 km (0.066 R)
• M9: 3,919,015 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.7

Radius: 11.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.64 AU - 0.8 AU

Year: 407 Days

Day: 10 Hours

Environment

Temp: -157 °C

Axial Tilt: 111.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,688,805 km

• M1: 143,016 km (0.041 R)
• M2: 990,787 km (0.108 R)
• M3: 1,426,117 km (0.114 R)
• M4: 1,843,345 km (0.117 R)
• M5: 2,572,335 km (0.095 R)
• M6: 3,345,457 km (0.066 R)
• M7: 3,712,870 km (0.04 R)
• M8: 4,186,796 km (0.049 R)
• M9: 4,686,602 km (0.027 R)
• M10: 5,319,700 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.1

Radius: 13.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.32 AU - 2.08 AU

Year: 1478 Days

Day: 8.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,688,805 km

• M1: 167,849 km (0.071 R)
• M2: 668,104 km (0.109 R)
• M3: 1,140,235 km (0.119 R)
• M4: 1,604,138 km (0.069 R)
• M5: 2,176,051 km (0.052 R)
• M6: 2,748,861 km (0.038 R)
• M7: 3,365,952 km (0.114 R)
• M8: 4,862,380 km (0.098 R)
• M9: 5,455,386 km (0.117 R)
• M10: 6,075,768 km (0.097 R)
• M11: 6,566,000 km (0.065 R)
• M12: 7,530,009 km (0.074 R)
• M13: 8,429,541 km (0.061 R)
• M14: 9,653,251 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 10.3

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.97 AU - 2.07 AU

Year: 1915 Days

Day: 9.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,688,805 km

• M1: 128,205 km (0.104 R)
• M2: 465,698 km (0.106 R)
• M3: 819,198 km (0.037 R)
• M4: 1,263,803 km (0.112 R)
• M5: 1,786,049 km (0.065 R)
• M6: 2,218,536 km (0.105 R)
• M7: 2,601,058 km (0.039 R)
• M8: 3,421,303 km (0.105 R)
• M9: 4,129,500 km (0.118 R)
• M10: 4,654,139 km (0.097 R)
• M11: 6,401,143 km (0.05 R)
• M12: 9,914,449 km (0.107 R)
• M13: 11,493,006 km (0.118 R)
• M14: 11,820,476 km (0.108 R)
• M15: 12,608,857 km (0.101 R)
• M16: 12,996,465 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.3

Radius: 15

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.22 AU - 4.42 AU

Year: 4979 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,688,805 km

• M1: 190,438 km (0.08 R)
• M2: 715,078 km (0.086 R)
• M3: 1,328,429 km (0.064 R)
• M4: 2,263,117 km (0.11 R)
• M5: 3,088,897 km (0.063 R)
• M6: 3,604,710 km (0.113 R)
• M7: 5,099,791 km (0.079 R)
• M8: 6,214,445 km (0.092 R)
• M9: 7,347,948 km (0.071 R)
• M10: 9,082,236 km (0.065 R)
• M11: 9,897,844 km (0.094 R)
• M12: 10,366,983 km (0.103 R)
• M13: 13,920,979 km (0.103 R)
• M14: 15,117,762 km (0.118 R)
• M15: 16,738,955 km (0.114 R)
• M16: 18,795,476 km (0.087 R)
• M17: 19,716,999 km (0.055 R)
• M18: 20,876,233 km (0.084 R)
• M19: 23,181,088 km (0.096 R)
• M20: 25,253,916 km (0.058 R)
• M21: 26,457,580 km (0.085 R)
• M22: 29,240,101 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38.5

Radius: 3.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.48 AU - 7.12 AU

Year: 9315 Days

Day: 16 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,688,805 km

• M1: 48,619 km (0.097 R)
• M2: 224,546 km (0.101 R)
• M3: 362,625 km (0.114 R)
• M4: 604,824 km (0.076 R)
• M5: 836,402 km (0.098 R)
• M6: 1,021,903 km (0.101 R)
• M7: 1,398,590 km (0.113 R)
• M8: 1,608,327 km (0.094 R)
• M9: 2,546,754 km (0.089 R)
• M10: 3,017,838 km (0.108 R)
• M11: 3,231,912 km (0.079 R)
• M12: 5,137,939 km (0.075 R)
• M13: 5,348,124 km (0.082 R)
• M14: 8,240,599 km (0.09 R)
• M15: 10,142,586 km (0.109 R)
• M16: 10,585,246 km (0.043 R)
• M17: 14,277,471 km (0.114 R)
• M18: 15,116,117 km (0.098 R)
• M19: 15,741,885 km (0.076 R)
• M20: 16,184,994 km (0.104 R)
• M21: 16,890,946 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.5

Radius: 3.5

Gravity: 72.86 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.77 AU - 7.31 AU

Year: 11153 Days

Day: 23.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,688,805 km

• M1: 43,533 km (0.096 R)
• M2: 158,723 km (0.088 R)
• M3: 278,252 km (0.095 R)
• M4: 507,286 km (0.029 R)
• M5: 642,523 km (0.083 R)
• M6: 987,346 km (0.108 R)
• M7: 1,188,256 km (0.077 R)
• M8: 1,547,440 km (0.047 R)
• M9: 4,241,548 km (0.073 R)
• M10: 5,810,381 km (0.091 R)
• M11: 7,594,635 km (0.076 R)
• M12: 8,610,405 km (0.084 R)
• M13: 10,083,345 km (0.073 R)
• M14: 10,298,916 km (0.084 R)
• M15: 10,851,082 km (0.052 R)
• M16: 13,451,841 km (0.092 R)
• M17: 23,306,750 km (0.099 R)
• M18: 24,838,034 km (0.118 R)
• M19: 25,132,442 km (0.085 R)
• M20: 32,915,122 km (0.054 R)
• M21: 37,862,772 km (0.076 R)
• M22: 39,305,494 km (0.054 R)
• M23: 43,283,750 km (0.065 R)
• M24: 44,426,528 km (0.114 R)
• M25: 46,030,666 km (0.114 R)
• M26: 49,818,933 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.9

Radius: 4.8

Gravity: 41.1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.69 AU - 9.55 AU

Year: 16877 Days

Day: 18.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,688,805 km

• M1: 62,682 km (0.051 R)
• M2: 500,704 km (0.063 R)
• M3: 864,975 km (0.109 R)
• M4: 1,041,201 km (0.097 R)
• M5: 1,284,447 km (0.086 R)
• M6: 1,923,380 km (0.101 R)
• M7: 2,356,615 km (0.056 R)
• M8: 2,827,250 km (0.116 R)
• M9: 3,358,173 km (0.104 R)
• M10: 3,558,933 km (0.089 R)
• M11: 3,737,254 km (0.057 R)
• M12: 4,409,248 km (0.104 R)
• M13: 4,899,929 km (0.051 R)
• M14: 5,158,583 km (0.098 R)
• M15: 5,824,593 km (0.105 R)
• M16: 6,814,482 km (0.078 R)
• M17: 7,278,086 km (0.097 R)
• M18: 7,762,334 km (0.112 R)
• M19: 9,742,113 km (0.114 R)
• M20: 10,329,883 km (0.072 R)
• M21: 10,571,483 km (0.103 R)
• M22: 15,123,298 km (0.11 R)
• M23: 15,434,910 km (0.112 R)
• M24: 17,651,651 km (0.105 R)
• M25: 17,997,222 km (0.101 R)
• M26: 20,829,409 km (0.032 R)
• M27: 22,100,542 km (0.116 R)
• M28: 22,908,072 km (0.118 R)
• M29: 24,156,017 km (0.05 R)
• M30: 27,128,227 km (0.051 R)
• M31: 32,221,586 km (0.114 R)
• M32: 43,303,497 km (0.092 R)
• M33: 52,127,677 km (0.111 R)
• M34: 55,009,680 km (0.075 R)
• M35: 56,303,403 km (0.065 R)
• M36: 56,676,649 km (0.049 R)
• M37: 60,110,968 km (0.081 R)
• M38: 60,500,820 km (0.104 R)
• M39: 60,892,467 km (0.081 R)
• M40: 65,724,777 km (0.115 R)
• M41: 74,784,873 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 15,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit