🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.8

Radius: 12.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.74 AU - 0.74 AU

Year: 424 Days

Day: 6.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,141,400 km

• M1: 159,172 km (0.094 R)
• M2: 693,536 km (0.082 R)
• M3: 1,120,189 km (0.113 R)
• M4: 1,615,657 km (0.106 R)
• M5: 2,045,452 km (0.065 R)
• M6: 2,543,762 km (0.075 R)
• M7: 3,035,042 km (0.082 R)
• M8: 3,439,554 km (0.098 R)
• M9: 3,868,900 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.6

Radius: 14.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.71 AU - 1.09 AU

Year: 569 Days

Day: 12.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 75 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,141,400 km

• M1: 178,171 km (0.048 R)
• M2: 684,709 km (0.067 R)
• M3: 1,437,636 km (0.075 R)
• M4: 2,380,401 km (0.105 R)
• M5: 3,034,294 km (0.112 R)
• M6: 4,109,753 km (0.115 R)
• M7: 5,057,455 km (0.103 R)
• M8: 5,693,097 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.9

Radius: 11.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.92 AU - 1.3 AU

Year: 780 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,141,400 km

• M1: 141,819 km (0.116 R)
• M2: 501,901 km (0.088 R)
• M3: 874,848 km (0.086 R)
• M4: 1,268,889 km (0.1 R)
• M5: 1,745,658 km (0.11 R)
• M6: 2,641,150 km (0.114 R)
• M7: 3,124,052 km (0.101 R)
• M8: 3,490,567 km (0.066 R)
• M9: 3,952,525 km (0.111 R)
• M10: 4,339,685 km (0.069 R)
• M11: 4,752,276 km (0.118 R)
• M12: 5,537,964 km (0.107 R)
• M13: 6,024,605 km (0.104 R)

Asteroid Belt

Center: 2.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.3

Radius: 10.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.92 AU - 5.06 AU

Year: 6345 Days

Day: 9.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,141,400 km

• M1: 128,804 km (0.112 R)
• M2: 612,603 km (0.035 R)
• M3: 1,083,388 km (0.086 R)
• M4: 2,552,140 km (0.108 R)
• M5: 4,336,244 km (0.085 R)
• M6: 4,816,453 km (0.064 R)
• M7: 6,409,670 km (0.115 R)
• M8: 7,343,759 km (0.055 R)
• M9: 8,290,116 km (0.051 R)
• M10: 9,732,089 km (0.113 R)
• M11: 10,204,370 km (0.088 R)
• M12: 13,523,797 km (0.107 R)
• M13: 13,950,151 km (0.115 R)
• M14: 14,550,936 km (0.068 R)
• M15: 17,945,013 km (0.03 R)
• M16: 26,497,972 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.6

Radius: 6.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.32 AU - 6.36 AU

Year: 9411 Days

Day: 15.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,141,400 km

• M1: 85,869 km (0.092 R)
• M2: 489,185 km (0.068 R)
• M3: 836,701 km (0.087 R)
• M4: 1,352,215 km (0.108 R)
• M5: 1,939,836 km (0.104 R)
• M6: 2,413,313 km (0.109 R)
• M7: 2,636,363 km (0.12 R)
• M8: 2,997,044 km (0.118 R)
• M9: 3,712,271 km (0.066 R)
• M10: 5,722,867 km (0.103 R)
• M11: 6,180,486 km (0.093 R)
• M12: 6,631,374 km (0.081 R)
• M13: 8,731,130 km (0.03 R)
• M14: 10,424,129 km (0.064 R)
• M15: 11,955,114 km (0.069 R)
• M16: 15,024,862 km (0.084 R)
• M17: 15,510,307 km (0.117 R)
• M18: 18,768,100 km (0.056 R)
• M19: 21,154,485 km (0.098 R)
• M20: 24,765,180 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.7

Radius: 6.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.44 AU - 8.08 AU

Year: 14415 Days

Day: 24.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,141,400 km

• M1: 85,869 km (0.095 R)
• M2: 495,618 km (0.076 R)
• M3: 736,620 km (0.091 R)
• M4: 969,095 km (0.116 R)
• M5: 1,251,237 km (0.065 R)
• M6: 2,055,475 km (0.099 R)
• M7: 2,953,062 km (0.084 R)
• M8: 3,814,297 km (0.108 R)
• M9: 4,042,134 km (0.075 R)
• M10: 5,547,837 km (0.101 R)
• M11: 5,781,509 km (0.049 R)
• M12: 6,554,481 km (0.049 R)
• M13: 6,948,971 km (0.117 R)
• M14: 8,648,851 km (0.089 R)
• M15: 12,247,278 km (0.096 R)
• M16: 12,744,991 km (0.057 R)
• M17: 17,162,017 km (0.047 R)
• M18: 17,471,685 km (0.097 R)
• M19: 18,487,903 km (0.074 R)
• M20: 22,135,698 km (0.099 R)
• M21: 22,799,314 km (0.094 R)
• M22: 26,072,814 km (0.11 R)
• M23: 26,400,135 km (0.098 R)
• M24: 29,117,281 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.6

Radius: 7.7

Gravity: 15.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.36 AU - 9.44 AU

Year: 14807 Days

Day: 19.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,141,400 km

• M1: 97,089 km (0.102 R)
• M2: 499,208 km (0.049 R)
• M3: 902,225 km (0.118 R)
• M4: 1,333,665 km (0.067 R)
• M5: 1,914,703 km (0.037 R)
• M6: 2,242,921 km (0.101 R)
• M7: 2,865,697 km (0.104 R)
• M8: 6,547,749 km (0.087 R)
• M9: 10,990,058 km (0.052 R)
• M10: 11,416,861 km (0.116 R)
• M11: 11,981,742 km (0.105 R)
• M12: 14,070,877 km (0.104 R)
• M13: 16,628,851 km (0.119 R)
• M14: 17,601,087 km (0.098 R)
• M15: 18,525,303 km (0.056 R)
• M16: 21,775,915 km (0.115 R)
• M17: 22,159,035 km (0.117 R)
• M18: 22,546,643 km (0.053 R)
• M19: 23,535,635 km (0.046 R)
• M20: 24,553,050 km (0.079 R)
• M21: 29,032,758 km (0.108 R)
• M22: 32,262,875 km (0.058 R)
• M23: 34,415,140 km (0.045 R)
• M24: 40,282,817 km (0.037 R)
• M25: 40,860,414 km (0.094 R)
• M26: 41,151,233 km (0.055 R)
• M27: 47,743,113 km (0.103 R)
• M28: 55,005,491 km (0.096 R)
• M29: 55,716,231 km (0.089 R)
• M30: 57,156,260 km (0.106 R)
• M31: 59,362,380 km (0.116 R)
• M32: 62,584,120 km (0.112 R)
• M33: 63,164,559 km (0.094 R)
• M34: 65,125,039 km (0.117 R)
• M35: 65,521,923 km (0.064 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: 283 - 14,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit