🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.2

Radius: 8.2

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.97 AU - 1.27 AU

Year: 765 Days

Day: 6.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,969,539 km

• M1: 102,026 km (0.052 R)
• M2: 400,174 km (0.091 R)
• M3: 703,858 km (0.109 R)
• M4: 1,059,751 km (0.109 R)
• M5: 1,457,083 km (0.104 R)
• M6: 1,729,501 km (0.069 R)
• M7: 2,084,347 km (0.119 R)
• M8: 2,421,990 km (0.102 R)
• M9: 2,772,348 km (0.085 R)
• M10: 3,041,175 km (0.118 R)
• M11: 3,561,028 km (0.075 R)
• M12: 4,361,227 km (0.086 R)
• M13: 4,829,618 km (0.095 R)
• M14: 5,575,812 km (0.063 R)
• M15: 7,024,218 km (0.081 R)
• M16: 8,376,583 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.4

Radius: 13.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.7 AU - 2 AU

Year: 1625 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,969,539 km

• M1: 166,652 km (0.077 R)
• M2: 658,530 km (0.112 R)
• M3: 1,150,856 km (0.114 R)
• M4: 1,624,483 km (0.101 R)
• M5: 2,354,222 km (0.063 R)
• M6: 2,835,478 km (0.049 R)
• M7: 3,900,465 km (0.087 R)
• M8: 5,358,745 km (0.077 R)
• M9: 10,219,629 km (0.101 R)
• M10: 11,037,929 km (0.109 R)
• M11: 11,688,680 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658

Radius: 12.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.74 AU - 2.76 AU

Year: 2945 Days

Day: 8.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,969,539 km

• M1: 157,975 km (0.119 R)
• M2: 609,163 km (0.061 R)
• M3: 1,316,012 km (0.1 R)
• M4: 1,939,686 km (0.116 R)
• M5: 3,303,570 km (0.113 R)
• M6: 4,066,369 km (0.085 R)
• M7: 4,534,012 km (0.105 R)
• M8: 5,969,105 km (0.034 R)
• M9: 7,406,441 km (0.099 R)
• M10: 8,957,322 km (0.105 R)
• M11: 9,865,680 km (0.095 R)
• M12: 11,404,145 km (0.114 R)
• M13: 11,865,654 km (0.044 R)
• M14: 12,383,413 km (0.062 R)
• M15: 13,744,005 km (0.103 R)
• M16: 14,218,978 km (0.093 R)
• M17: 16,177,065 km (0.109 R)
• M18: 18,423,277 km (0.12 R)
• M19: 19,710,866 km (0.044 R)
• M20: 20,622,515 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.3

Radius: 8.9

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.6 AU - 4.1 AU

Year: 4878 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,969,539 km

• M1: 111,301 km (0.106 R)
• M2: 413,937 km (0.076 R)
• M3: 894,146 km (0.089 R)
• M4: 1,397,394 km (0.091 R)
• M5: 1,907,074 km (0.1 R)
• M6: 2,205,821 km (0.077 R)
• M7: 3,335,135 km (0.109 R)
• M8: 4,811,068 km (0.11 R)
• M9: 5,213,785 km (0.107 R)
• M10: 6,772,296 km (0.113 R)
• M11: 7,311,297 km (0.101 R)
• M12: 9,367,819 km (0.082 R)
• M13: 11,471,314 km (0.05 R)
• M14: 11,827,806 km (0.107 R)
• M15: 12,237,555 km (0.093 R)
• M16: 13,871,612 km (0.098 R)
• M17: 15,809,802 km (0.103 R)
• M18: 18,584,543 km (0.055 R)
• M19: 19,076,571 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.9

Radius: 8.6

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.21 AU - 5.05 AU

Year: 5419 Days

Day: 6 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,969,539 km

• M1: 108,608 km (0.074 R)
• M2: 471,981 km (0.11 R)
• M3: 740,210 km (0.097 R)
• M4: 1,216,829 km (0.104 R)
• M5: 1,510,340 km (0.107 R)
• M6: 1,781,561 km (0.056 R)
• M7: 2,060,262 km (0.098 R)
• M8: 3,882,214 km (0.113 R)
• M9: 5,148,710 km (0.113 R)
• M10: 6,223,870 km (0.079 R)
• M11: 8,107,606 km (0.064 R)
• M12: 9,448,003 km (0.064 R)
• M13: 9,963,368 km (0.041 R)
• M14: 11,252,602 km (0.03 R)
• M15: 14,063,845 km (0.114 R)
• M16: 16,827,816 km (0.097 R)
• M17: 18,421,781 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.4

Radius: 5.3

Gravity: 24.61 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.2 AU - 8.4 AU

Year: 11449 Days

Day: 23.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,969,539 km

• M1: 65,973 km (0.12 R)
• M2: 297,700 km (0.045 R)
• M3: 480,060 km (0.06 R)
• M4: 887,115 km (0.081 R)
• M5: 1,182,870 km (0.086 R)
• M6: 2,377,709 km (0.092 R)
• M7: 2,600,609 km (0.084 R)
• M8: 4,157,624 km (0.093 R)
• M9: 4,919,227 km (0.108 R)
• M10: 5,350,069 km (0.045 R)
• M11: 8,341,577 km (0.082 R)
• M12: 8,905,561 km (0.111 R)
• M13: 11,248,563 km (0.111 R)
• M14: 11,936,564 km (0.119 R)
• M15: 12,530,916 km (0.117 R)
• M16: 18,876,259 km (0.109 R)
• M17: 20,595,139 km (0.104 R)
• M18: 22,684,273 km (0.053 R)
• M19: 25,586,322 km (0.091 R)
• M20: 31,327,290 km (0.07 R)
• M21: 42,612,953 km (0.063 R)
• M22: 45,985,189 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.8

Radius: 5.9

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 10.08 AU - 11.28 AU

Year: 22536 Days

Day: 23.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,969,539 km

• M1: 73,453 km (0.089 R)
• M2: 289,921 km (0.101 R)
• M3: 561,590 km (0.093 R)
• M4: 838,646 km (0.096 R)
• M5: 1,591,572 km (0.116 R)
• M6: 3,131,831 km (0.116 R)
• M7: 7,116,520 km (0.089 R)
• M8: 7,382,805 km (0.098 R)
• M9: 12,030,511 km (0.098 R)
• M10: 14,139,991 km (0.053 R)
• M11: 15,355,324 km (0.051 R)
• M12: 15,576,729 km (0.095 R)
• M13: 16,872,246 km (0.048 R)
• M14: 38,291,969 km (0.094 R)
• M15: 44,413,214 km (0.097 R)
• M16: 51,649,862 km (0.109 R)
• M17: 60,181,428 km (0.1 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: 401 - 14,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit