🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.1

Radius: 10.3

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.84 AU - 0.86 AU

Year: 541 Days

Day: 7 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,939,940 km

• M1: 128,056 km (0.095 R)
• M2: 466,745 km (0.081 R)
• M3: 942,317 km (0.076 R)
• M4: 1,685,519 km (0.119 R)
• M5: 2,405,683 km (0.101 R)
• M6: 2,748,861 km (0.117 R)
• M7: 3,319,577 km (0.104 R)
• M8: 3,815,045 km (0.094 R)
• M9: 4,270,122 km (0.071 R)
• M10: 4,745,244 km (0.116 R)
• M11: 6,041,959 km (0.064 R)
• M12: 6,366,137 km (0.058 R)
• M13: 6,762,572 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.3

Radius: 8.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.7 AU - 1.08 AU

Year: 580 Days

Day: 12.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,939,940 km

• M1: 101,128 km (0.098 R)
• M2: 354,697 km (0.09 R)
• M3: 1,025,045 km (0.118 R)
• M4: 1,424,022 km (0.109 R)
• M5: 2,030,492 km (0.091 R)
• M6: 2,440,091 km (0.075 R)
• M7: 4,198,165 km (0.113 R)
• M8: 4,596,245 km (0.093 R)
• M9: 5,240,413 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.5

Radius: 12.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.85 AU - 0.97 AU

Year: 599 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,939,940 km

• M1: 159,172 km (0.089 R)
• M2: 638,783 km (0.115 R)
• M3: 1,195,586 km (0.1 R)
• M4: 2,322,956 km (0.118 R)
• M5: 2,740,184 km (0.076 R)
• M6: 3,242,983 km (0.085 R)
• M7: 3,996,058 km (0.044 R)
• M8: 5,232,934 km (0.092 R)
• M9: 5,904,478 km (0.115 R)
• M10: 6,326,943 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.9

Radius: 8.7

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.47 AU - 5.71 AU

Year: 6788 Days

Day: 5.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,939,940 km

• M1: 111,450 km (0.064 R)
• M2: 660,923 km (0.111 R)
• M3: 1,402,031 km (0.028 R)
• M4: 1,733,989 km (0.091 R)
• M5: 2,085,694 km (0.052 R)
• M6: 2,559,171 km (0.058 R)
• M7: 2,934,063 km (0.117 R)
• M8: 3,345,457 km (0.1 R)
• M9: 3,844,366 km (0.083 R)
• M10: 4,902,472 km (0.077 R)
• M11: 6,281,764 km (0.111 R)
• M12: 7,661,505 km (0.066 R)
• M13: 8,614,893 km (0.08 R)
• M14: 9,008,784 km (0.098 R)
• M15: 9,323,538 km (0.07 R)
• M16: 10,263,162 km (0.042 R)
• M17: 13,931,900 km (0.115 R)
• M18: 14,414,054 km (0.087 R)
• M19: 15,732,909 km (0.076 R)
• M20: 17,894,448 km (0.067 R)
• M21: 25,915,288 km (0.089 R)
• M22: 27,764,617 km (0.107 R)
• M23: 30,599,945 km (0.09 R)
• M24: 32,664,246 km (0.086 R)
• M25: 33,838,141 km (0.067 R)
• M26: 35,595,766 km (0.051 R)
• M27: 39,771,342 km (0.075 R)
• M28: 40,497,490 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.4

Radius: 12.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.53 AU - 5.73 AU

Year: 6877 Days

Day: 6.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,939,940 km

• M1: 156,629 km (0.048 R)
• M2: 622,178 km (0.047 R)
• M3: 2,348,088 km (0.113 R)
• M4: 3,921,708 km (0.093 R)
• M5: 6,564,355 km (0.105 R)
• M6: 8,811,315 km (0.07 R)
• M7: 10,768,952 km (0.044 R)
• M8: 11,824,814 km (0.097 R)
• M9: 13,809,679 km (0.069 R)
• M10: 14,765,908 km (0.101 R)
• M11: 15,526,613 km (0.074 R)
• M12: 17,446,104 km (0.069 R)
• M13: 20,650,939 km (0.117 R)
• M14: 25,619,234 km (0.059 R)
• M15: 26,122,331 km (0.055 R)
• M16: 27,322,106 km (0.083 R)
• M17: 28,379,314 km (0.089 R)
• M18: 30,481,613 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.4

Radius: 3.7

Gravity: 24.65 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.2 AU - 6.04 AU

Year: 9196 Days

Day: 24.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,939,940 km

• M1: 46,076 km (0.119 R)
• M2: 319,391 km (0.076 R)
• M3: 618,138 km (0.058 R)
• M4: 1,354,310 km (0.042 R)
• M5: 2,039,019 km (0.089 R)
• M6: 2,216,143 km (0.069 R)
• M7: 2,601,357 km (0.1 R)
• M8: 3,112,384 km (0.079 R)
• M9: 3,853,492 km (0.027 R)
• M10: 4,732,977 km (0.101 R)
• M11: 5,961,924 km (0.08 R)
• M12: 6,772,146 km (0.093 R)
• M13: 8,484,593 km (0.112 R)
• M14: 9,418,233 km (0.085 R)
• M15: 10,655,108 km (0.069 R)
• M16: 12,896,234 km (0.104 R)
• M17: 14,533,732 km (0.097 R)
• M18: 15,008,706 km (0.12 R)
• M19: 18,010,088 km (0.116 R)
• M20: 18,905,880 km (0.093 R)
• M21: 19,903,249 km (0.084 R)
• M22: 26,196,382 km (0.076 R)
• M23: 26,370,963 km (0.089 R)
• M24: 29,176,222 km (0.099 R)
• M25: 35,584,247 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.2

Radius: 7.9

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.54 AU - 9.12 AU

Year: 13698 Days

Day: 20.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,939,940 km

• M1: 98,585 km (0.118 R)
• M2: 364,720 km (0.104 R)
• M3: 631,303 km (0.107 R)
• M4: 1,145,172 km (0.085 R)
• M5: 2,138,502 km (0.119 R)
• M6: 2,539,274 km (0.117 R)
• M7: 2,944,086 km (0.083 R)
• M8: 3,670,683 km (0.068 R)
• M9: 4,421,963 km (0.109 R)
• M10: 4,977,271 km (0.1 R)
• M11: 5,682,774 km (0.106 R)
• M12: 6,078,161 km (0.095 R)
• M13: 6,491,650 km (0.025 R)
• M14: 9,280,753 km (0.118 R)
• M15: 13,523,947 km (0.077 R)
• M16: 15,505,071 km (0.081 R)
• M17: 16,206,386 km (0.096 R)
• M18: 16,564,823 km (0.109 R)
• M19: 17,823,390 km (0.08 R)
• M20: 20,949,387 km (0.112 R)
• M21: 25,661,121 km (0.049 R)
• M22: 26,741,218 km (0.084 R)
• M23: 27,953,559 km (0.088 R)
• M24: 29,519,998 km (0.099 R)
• M25: 30,487,597 km (0.068 R)
• M26: 31,698,592 km (0.08 R)
• M27: 33,285,975 km (0.072 R)
• M28: 35,523,810 km (0.073 R)
• M29: 36,495,448 km (0.098 R)
• M30: 36,864,356 km (0.059 R)
• M31: 37,986,041 km (0.026 R)
• M32: 44,215,296 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.9

Radius: 5.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.3 AU - 9.66 AU

Year: 17045 Days

Day: 17.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,939,940 km

• M1: 73,004 km (0.111 R)
• M2: 709,393 km (0.044 R)
• M3: 948,899 km (0.087 R)
• M4: 1,163,423 km (0.064 R)
• M5: 2,025,705 km (0.076 R)
• M6: 2,970,864 km (0.109 R)
• M7: 3,230,416 km (0.106 R)
• M8: 4,180,064 km (0.108 R)
• M9: 4,647,407 km (0.111 R)
• M10: 7,840,424 km (0.067 R)
• M11: 9,076,402 km (0.116 R)
• M12: 9,484,954 km (0.112 R)
• M13: 9,764,103 km (0.032 R)
• M14: 12,089,602 km (0.098 R)
• M15: 13,496,720 km (0.029 R)
• M16: 13,909,460 km (0.096 R)
• M17: 14,636,656 km (0.117 R)
• M18: 15,072,285 km (0.055 R)
• M19: 16,232,416 km (0.059 R)
• M20: 17,870,214 km (0.084 R)
• M21: 18,583,945 km (0.102 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 17,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit