🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 9.5

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.67 AU - 0.73 AU

Year: 412 Days

Day: 9.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,382,485 km

• M1: 119,080 km (0.112 R)
• M2: 478,264 km (0.1 R)
• M3: 1,238,820 km (0.086 R)
• M4: 1,542,952 km (0.045 R)
• M5: 1,959,283 km (0.053 R)
• M6: 2,254,739 km (0.093 R)
• M7: 2,764,419 km (0.089 R)
• M8: 3,226,228 km (0.082 R)
• M9: 4,538,201 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.4

Radius: 11.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.44 AU - 1.74 AU

Year: 1409 Days

Day: 8.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,382,485 km

• M1: 146,756 km (0.098 R)
• M2: 527,931 km (0.075 R)
• M3: 1,358,349 km (0.085 R)
• M4: 1,842,447 km (0.086 R)
• M5: 2,820,967 km (0.09 R)
• M6: 4,136,082 km (0.084 R)
• M7: 4,545,232 km (0.041 R)
• M8: 5,710,899 km (0.085 R)
• M9: 6,125,135 km (0.083 R)
• M10: 6,658,751 km (0.093 R)
• M11: 7,196,854 km (0.091 R)
• M12: 7,931,230 km (0.049 R)
• M13: 9,613,458 km (0.12 R)
• M14: 10,068,834 km (0.082 R)
• M15: 10,917,952 km (0.092 R)
• M16: 11,740,590 km (0.11 R)
• M17: 12,299,039 km (0.103 R)
• M18: 12,797,350 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.9

Radius: 9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.54 AU - 2.12 AU

Year: 1740 Days

Day: 13.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,382,485 km

• M1: 113,395 km (0.098 R)
• M2: 416,929 km (0.095 R)
• M3: 1,025,194 km (0.067 R)
• M4: 1,437,785 km (0.105 R)
• M5: 1,729,052 km (0.052 R)
• M6: 3,588,554 km (0.099 R)
• M7: 3,900,615 km (0.085 R)
• M8: 5,502,060 km (0.116 R)
• M9: 5,865,134 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.5

Radius: 10.9

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.43 AU - 4.05 AU

Year: 5084 Days

Day: 12.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,382,485 km

• M1: 135,984 km (0.09 R)
• M2: 746,194 km (0.108 R)
• M3: 1,219,223 km (0.111 R)
• M4: 2,636,662 km (0.097 R)
• M5: 3,739,199 km (0.108 R)
• M6: 4,160,616 km (0.098 R)
• M7: 4,539,996 km (0.071 R)
• M8: 5,152,450 km (0.105 R)
• M9: 6,325,896 km (0.094 R)
• M10: 6,732,802 km (0.07 R)
• M11: 7,774,452 km (0.047 R)
• M12: 9,037,058 km (0.115 R)
• M13: 10,345,740 km (0.1 R)
• M14: 11,544,916 km (0.074 R)
• M15: 12,202,100 km (0.078 R)
• M16: 12,588,661 km (0.108 R)
• M17: 13,437,479 km (0.107 R)
• M18: 16,040,332 km (0.057 R)
• M19: 16,799,392 km (0.053 R)
• M20: 18,452,449 km (0.077 R)
• M21: 19,156,007 km (0.115 R)
• M22: 23,238,982 km (0.107 R)
• M23: 24,822,326 km (0.055 R)
• M24: 26,718,479 km (0.051 R)
• M25: 27,868,139 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.9

Radius: 13.4

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.6 AU - 4.74 AU

Year: 7094 Days

Day: 12.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,382,485 km

• M1: 166,652 km (0.117 R)
• M2: 608,265 km (0.12 R)
• M3: 1,297,911 km (0.081 R)
• M4: 1,740,122 km (0.064 R)
• M5: 2,497,088 km (0.116 R)
• M6: 3,441,798 km (0.04 R)
• M7: 4,840,688 km (0.103 R)
• M8: 6,483,123 km (0.092 R)
• M9: 7,451,470 km (0.054 R)
• M10: 11,091,785 km (0.059 R)
• M11: 13,267,386 km (0.06 R)
• M12: 15,076,025 km (0.083 R)
• M13: 16,772,315 km (0.076 R)
• M14: 17,318,945 km (0.112 R)
• M15: 17,877,394 km (0.094 R)
• M16: 20,852,447 km (0.112 R)
• M17: 22,539,762 km (0.055 R)
• M18: 23,970,964 km (0.061 R)
• M19: 27,955,803 km (0.099 R)
• M20: 29,607,214 km (0.097 R)
• M21: 30,105,075 km (0.055 R)
• M22: 31,015,379 km (0.074 R)
• M23: 33,424,951 km (0.102 R)
• M24: 34,510,434 km (0.032 R)
• M25: 37,675,326 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.5

Radius: 7.4

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.16 AU - 8.82 AU

Year: 14409 Days

Day: 20.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,382,485 km

• M1: 92,451 km (0.089 R)
• M2: 346,020 km (0.086 R)
• M3: 631,752 km (0.097 R)
• M4: 1,218,026 km (0.088 R)
• M5: 1,641,537 km (0.109 R)
• M6: 3,545,170 km (0.111 R)
• M7: 4,439,616 km (0.072 R)
• M8: 4,685,106 km (0.109 R)
• M9: 5,070,321 km (0.117 R)
• M10: 5,795,272 km (0.049 R)
• M11: 9,597,900 km (0.097 R)
• M12: 11,775,447 km (0.069 R)
• M13: 14,866,887 km (0.098 R)
• M14: 15,348,742 km (0.065 R)
• M15: 15,911,978 km (0.076 R)
• M16: 19,259,230 km (0.108 R)
• M17: 20,331,398 km (0.089 R)
• M18: 20,754,161 km (0.108 R)
• M19: 25,505,689 km (0.105 R)
• M20: 27,101,898 km (0.049 R)
• M21: 33,799,395 km (0.104 R)
• M22: 35,600,404 km (0.115 R)
• M23: 40,050,043 km (0.077 R)
• M24: 40,581,115 km (0.11 R)
• M25: 44,714,205 km (0.035 R)
• M26: 47,472,192 km (0.111 R)
• M27: 49,119,563 km (0.115 R)
• M28: 50,034,055 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.1

Radius: 6.7

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.87 AU - 10.71 AU

Year: 21532 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,382,485 km

• M1: 83,326 km (0.051 R)
• M2: 377,884 km (0.104 R)
• M3: 654,491 km (0.088 R)
• M4: 904,618 km (0.106 R)
• M5: 1,114,953 km (0.114 R)
• M6: 1,826,440 km (0.088 R)
• M7: 2,269,998 km (0.112 R)
• M8: 2,573,682 km (0.104 R)
• M9: 3,480,843 km (0.062 R)
• M10: 5,181,023 km (0.047 R)
• M11: 5,866,630 km (0.083 R)
• M12: 6,568,095 km (0.032 R)
• M13: 7,141,204 km (0.117 R)
• M14: 7,557,236 km (0.09 R)
• M15: 8,386,905 km (0.093 R)
• M16: 8,850,060 km (0.08 R)
• M17: 9,330,120 km (0.114 R)
• M18: 9,715,335 km (0.1 R)
• M19: 11,056,180 km (0.098 R)
• M20: 14,461,177 km (0.117 R)
• M21: 18,420,584 km (0.111 R)
• M22: 21,207,144 km (0.115 R)
• M23: 22,162,925 km (0.105 R)
• M24: 26,710,849 km (0.049 R)
• M25: 27,152,762 km (0.092 R)
• M26: 28,393,377 km (0.076 R)
• M27: 28,853,689 km (0.07 R)
• M28: 30,504,053 km (0.096 R)
• M29: 32,466,029 km (0.106 R)
• M30: 44,779,430 km (0.117 R)
• M31: 47,469,948 km (0.095 R)
• M32: 58,379,971 km (0.099 R)
• M33: 61,586,601 km (0.118 R)
• M34: 68,967,461 km (0.118 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: 305 - 13,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit