🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.7

Radius: 10

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.41 AU - 0.67 AU

Year: 269 Days

Day: 11.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,086,133 km

• M1: 124,316 km (0.08 R)
• M2: 436,377 km (0.047 R)
• M3: 934,987 km (0.079 R)
• M4: 1,354,908 km (0.106 R)
• M5: 1,808,638 km (0.076 R)
• M6: 2,121,896 km (0.049 R)
• M7: 2,803,614 km (0.059 R)
• M8: 3,558,335 km (0.032 R)
• M9: 4,302,884 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.3

Radius: 13.2

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.54 AU - 0.64 AU

Year: 307 Days

Day: 12.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,086,133 km

• M1: 164,109 km (0.112 R)
• M2: 588,368 km (0.032 R)
• M3: 1,022,053 km (0.073 R)
• M4: 1,477,877 km (0.097 R)
• M5: 1,897,200 km (0.091 R)
• M6: 2,525,062 km (0.113 R)
• M7: 2,946,779 km (0.03 R)
• M8: 3,383,754 km (0.111 R)
• M9: 3,934,873 km (0.111 R)
• M10: 4,415,980 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.6

Radius: 11.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.25 AU - 2.37 AU

Year: 2381 Days

Day: 6.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,086,133 km

• M1: 146,756 km (0.066 R)
• M2: 687,402 km (0.109 R)
• M3: 1,072,018 km (0.116 R)
• M4: 1,478,326 km (0.066 R)
• M5: 1,919,041 km (0.12 R)
• M6: 2,300,366 km (0.089 R)
• M7: 2,717,894 km (0.104 R)
• M8: 4,814,359 km (0.115 R)
• M9: 5,220,666 km (0.055 R)
• M10: 6,311,534 km (0.069 R)
• M11: 6,883,148 km (0.11 R)
• M12: 7,518,939 km (0.027 R)
• M13: 8,130,345 km (0.089 R)
• M14: 8,941,166 km (0.041 R)
• M15: 9,487,796 km (0.101 R)
• M16: 10,761,622 km (0.065 R)
• M17: 11,658,760 km (0.088 R)
• M18: 13,205,602 km (0.096 R)
• M19: 14,188,012 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 9.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.03 AU - 3.21 AU

Year: 2876 Days

Day: 13.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,086,133 km

• M1: 165,306 km (0.12 R)
• M2: 465,399 km (0.081 R)
• M3: 876,195 km (0.035 R)
• M4: 1,220,120 km (0.042 R)
• M5: 3,101,313 km (0.039 R)
• M6: 4,167,348 km (0.082 R)
• M7: 4,530,721 km (0.075 R)
• M8: 7,004,771 km (0.112 R)
• M9: 8,497,757 km (0.082 R)
• M10: 10,741,576 km (0.072 R)
• M11: 14,599,855 km (0.114 R)
• M12: 15,156,807 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.3

Radius: 15

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.36 AU - 2.98 AU

Year: 2959 Days

Day: 12.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 123.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,086,133 km

• M1: 200,910 km (0.108 R)
• M2: 910,901 km (0.055 R)
• M3: 1,629,570 km (0.065 R)
• M4: 2,148,076 km (0.05 R)
• M5: 3,060,473 km (0.061 R)
• M6: 3,717,806 km (0.06 R)
• M7: 4,201,755 km (0.059 R)
• M8: 8,138,124 km (0.057 R)
• M9: 9,287,485 km (0.113 R)
• M10: 10,641,046 km (0.091 R)
• M11: 11,109,138 km (0.049 R)
• M12: 12,122,663 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 10.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.12 AU - 5.18 AU

Year: 5734 Days

Day: 9.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,086,133 km

• M1: 135,087 km (0.112 R)
• M2: 482,004 km (0.056 R)
• M3: 1,012,927 km (0.085 R)
• M4: 1,863,391 km (0.115 R)
• M5: 2,571,438 km (0.119 R)
• M6: 2,952,015 km (0.103 R)
• M7: 5,156,190 km (0.071 R)
• M8: 6,330,832 km (0.091 R)
• M9: 6,770,201 km (0.094 R)
• M10: 8,583,926 km (0.11 R)
• M11: 9,603,136 km (0.098 R)
• M12: 10,354,716 km (0.043 R)
• M13: 10,701,035 km (0.109 R)
• M14: 11,555,089 km (0.115 R)
• M15: 12,260,742 km (0.102 R)
• M16: 14,605,240 km (0.087 R)
• M17: 15,825,959 km (0.098 R)
• M18: 16,228,227 km (0.113 R)
• M19: 17,598,544 km (0.066 R)
• M20: 23,856,372 km (0.095 R)
• M21: 26,340,595 km (0.104 R)
• M22: 27,978,093 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.6

Radius: 3.7

Gravity: 57.17 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.21 AU - 6.33 AU

Year: 9401 Days

Day: 20.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,086,133 km

• M1: 46,525 km (0.08 R)
• M2: 214,673 km (0.06 R)
• M3: 355,145 km (0.101 R)
• M4: 510,278 km (0.109 R)
• M5: 761,154 km (0.069 R)
• M6: 1,078,152 km (0.11 R)
• M7: 1,205,609 km (0.079 R)
• M8: 1,395,748 km (0.084 R)
• M9: 1,547,590 km (0.089 R)
• M10: 1,756,728 km (0.072 R)
• M11: 2,401,345 km (0.069 R)
• M12: 3,381,211 km (0.096 R)
• M13: 3,733,813 km (0.07 R)
• M14: 5,129,861 km (0.115 R)
• M15: 6,269,796 km (0.059 R)
• M16: 7,610,642 km (0.099 R)
• M17: 7,951,875 km (0.07 R)
• M18: 8,258,700 km (0.053 R)
• M19: 8,437,470 km (0.116 R)
• M20: 9,370,811 km (0.079 R)
• M21: 9,812,424 km (0.108 R)
• M22: 10,114,462 km (0.074 R)
• M23: 10,474,693 km (0.119 R)
• M24: 11,944,193 km (0.05 R)
• M25: 13,607,722 km (0.095 R)
• M26: 17,023,041 km (0.096 R)
• M27: 19,671,222 km (0.119 R)
• M28: 25,576,449 km (0.114 R)
• M29: 29,031,112 km (0.087 R)
• M30: 29,444,601 km (0.06 R)
• M31: 32,895,674 km (0.076 R)
• M32: 36,009,554 km (0.106 R)
• M33: 40,458,894 km (0.067 R)
• M34: 42,151,594 km (0.098 R)
• M35: 42,283,689 km (0.066 R)
• M36: 44,709,568 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 18,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit