🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.8

Radius: 14

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.51 AU - 0.51 AU

Year: 247 Days

Day: 11.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,754,477 km

• M1: 174,132 km (0.065 R)
• M2: 645,066 km (0.028 R)
• M3: 1,226,403 km (0.076 R)
• M4: 1,703,920 km (0.049 R)
• M5: 2,149,422 km (0.107 R)
• M6: 2,715,052 km (0.098 R)
• M7: 3,350,693 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.7

Radius: 8.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.67 AU - 0.85 AU

Year: 449 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 92,754,477 km

• M1: 134,638 km (0.118 R)
• M2: 408,701 km (0.092 R)
• M3: 897,737 km (0.078 R)
• M4: 1,198,578 km (0.106 R)
• M5: 1,488,798 km (0.118 R)
• M6: 1,784,553 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.6

Radius: 9.3

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.41 AU - 1.47 AU

Year: 1172 Days

Day: 5.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 92,754,477 km

• M1: 116,088 km (0.088 R)
• M2: 500,106 km (0.108 R)
• M3: 805,585 km (0.054 R)
• M4: 1,118,543 km (0.109 R)
• M5: 1,429,707 km (0.113 R)
• M6: 1,722,470 km (0.072 R)
• M7: 2,643,544 km (0.104 R)
• M8: 3,061,820 km (0.106 R)
• M9: 3,731,270 km (0.081 R)
• M10: 4,153,136 km (0.086 R)
• M11: 4,701,412 km (0.106 R)
• M12: 5,443,119 km (0.056 R)
• M13: 5,765,352 km (0.106 R)
• M14: 6,590,833 km (0.075 R)
• M15: 7,598,225 km (0.038 R)
• M16: 7,892,634 km (0.093 R)
• M17: 8,475,617 km (0.096 R)
• M18: 9,027,633 km (0.087 R)
• M19: 9,572,469 km (0.091 R)
• M20: 10,529,147 km (0.064 R)
• M21: 11,830,798 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 8.2

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.99 AU - 2.09 AU

Year: 1976 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,754,477 km

• M1: 102,026 km (0.095 R)
• M2: 426,653 km (0.069 R)
• M3: 837,748 km (0.052 R)
• M4: 1,369,868 km (0.059 R)
• M5: 1,691,204 km (0.111 R)
• M6: 2,249,054 km (0.048 R)
• M7: 2,599,413 km (0.076 R)
• M8: 3,950,132 km (0.109 R)
• M9: 4,421,664 km (0.113 R)
• M10: 4,713,679 km (0.1 R)
• M11: 6,013,535 km (0.103 R)
• M12: 6,268,600 km (0.059 R)
• M13: 7,190,870 km (0.044 R)
• M14: 8,077,238 km (0.052 R)
• M15: 8,578,839 km (0.105 R)
• M16: 9,268,486 km (0.037 R)
• M17: 10,137,051 km (0.117 R)
• M18: 11,326,653 km (0.068 R)
• M19: 11,995,356 km (0.062 R)
• M20: 12,400,766 km (0.073 R)
• M21: 12,983,599 km (0.047 R)
• M22: 13,367,916 km (0.102 R)
• M23: 13,759,863 km (0.114 R)
• M24: 14,069,829 km (0.061 R)
• M25: 15,547,108 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.5

Radius: 10.4

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.5 AU - 3.78 AU

Year: 3774 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 92,754,477 km

• M1: 130,449 km (0.073 R)
• M2: 538,852 km (0.105 R)
• M3: 2,057,270 km (0.091 R)
• M4: 2,483,025 km (0.035 R)
• M5: 3,166,389 km (0.035 R)
• M6: 3,688,635 km (0.076 R)
• M7: 5,394,200 km (0.118 R)
• M8: 5,737,527 km (0.079 R)
• M9: 6,210,256 km (0.088 R)
• M10: 7,208,373 km (0.056 R)
• M11: 9,397,439 km (0.12 R)
• M12: 10,412,311 km (0.107 R)
• M13: 11,533,846 km (0.088 R)
• M14: 12,435,622 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 13.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.86 AU - 3.96 AU

Year: 4271 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,754,477 km

• M1: 172,935 km (0.115 R)
• M2: 777,460 km (0.061 R)
• M3: 1,258,417 km (0.12 R)
• M4: 1,896,751 km (0.087 R)
• M5: 2,886,491 km (0.073 R)
• M6: 3,798,140 km (0.082 R)
• M7: 4,986,396 km (0.112 R)
• M8: 6,245,262 km (0.116 R)
• M9: 7,800,781 km (0.119 R)
• M10: 10,158,294 km (0.11 R)
• M11: 14,582,651 km (0.072 R)
• M12: 15,170,122 km (0.072 R)
• M13: 16,340,276 km (0.079 R)
• M14: 17,297,254 km (0.093 R)
• M15: 18,347,580 km (0.12 R)
• M16: 19,853,433 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.1

Radius: 3.2

Gravity: 91.61 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.96 AU - 7.3 AU

Year: 12913 Days

Day: 24.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,754,477 km

• M1: 39,793 km (0.052 R)
• M2: 169,046 km (0.083 R)
• M3: 308,022 km (0.064 R)
• M4: 472,430 km (0.055 R)
• M5: 591,211 km (0.069 R)
• M6: 967,449 km (0.097 R)
• M7: 1,439,431 km (0.101 R)
• M8: 1,626,578 km (0.108 R)
• M9: 1,865,037 km (0.039 R)
• M10: 2,245,464 km (0.116 R)
• M11: 2,432,611 km (0.113 R)
• M12: 3,393,029 km (0.112 R)
• M13: 4,713,380 km (0.071 R)
• M14: 7,737,202 km (0.07 R)
• M15: 9,484,355 km (0.109 R)
• M16: 12,032,007 km (0.084 R)
• M17: 13,061,240 km (0.097 R)
• M18: 16,115,281 km (0.078 R)
• M19: 19,353,925 km (0.063 R)
• M20: 20,315,092 km (0.043 R)
• M21: 23,194,252 km (0.114 R)
• M22: 24,378,170 km (0.11 R)
• M23: 26,439,628 km (0.096 R)
• M24: 26,545,693 km (0.096 R)
• M25: 26,972,496 km (0.113 R)
• M26: 27,080,057 km (0.039 R)
• M27: 34,947,858 km (0.107 R)
• M28: 37,028,764 km (0.11 R)
• M29: 40,302,714 km (0.099 R)
• M30: 42,154,137 km (0.107 R)
• M31: 42,735,025 km (0.094 R)
• M32: 46,951,441 km (0.084 R)
• M33: 48,999,885 km (0.102 R)
• M34: 52,936,852 km (0.054 R)
• M35: 55,327,875 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.5

Radius: 4.4

Gravity: 15.06 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.58 AU - 12.12 AU

Year: 22584 Days

Day: 19.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,754,477 km

• M1: 54,753 km (0.082 R)
• M2: 203,902 km (0.09 R)
• M3: 364,720 km (0.095 R)
• M4: 628,909 km (0.119 R)
• M5: 829,071 km (0.038 R)
• M6: 1,208,601 km (0.109 R)
• M7: 1,401,283 km (0.117 R)
• M8: 2,736,145 km (0.065 R)
• M9: 4,714,577 km (0.081 R)
• M10: 4,882,127 km (0.08 R)
• M11: 17,800,351 km (0.08 R)
• M12: 18,787,548 km (0.106 R)
• M13: 22,529,888 km (0.117 R)
• M14: 24,474,810 km (0.119 R)
• M15: 25,590,661 km (0.103 R)
• M16: 28,694,667 km (0.112 R)
• M17: 30,164,167 km (0.104 R)
• M18: 31,328,038 km (0.093 R)
• M19: 31,921,044 km (0.056 R)
• M20: 33,497,955 km (0.072 R)
• M21: 37,466,188 km (0.11 R)
• M22: 41,593,893 km (0.065 R)
• M23: 47,555,218 km (0.101 R)
• M24: 49,448,679 km (0.084 R)
• M25: 51,555,914 km (0.119 R)
• M26: 55,948,706 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.4

Radius: 3.7

Gravity: 63.8 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 8.41 AU - 13.05 AU

Year: 23839 Days

Day: 20.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 92,754,477 km

• M1: 46,525 km (0.112 R)
• M2: 227,090 km (0.08 R)
• M3: 993,330 km (0.076 R)
• M4: 1,174,044 km (0.068 R)
• M5: 1,713,344 km (0.099 R)
• M6: 2,016,430 km (0.09 R)
• M7: 2,728,516 km (0.096 R)
• M8: 3,083,811 km (0.104 R)
• M9: 4,554,208 km (0.066 R)
• M10: 5,759,668 km (0.099 R)
• M11: 5,934,996 km (0.088 R)
• M12: 6,435,551 km (0.092 R)
• M13: 6,672,215 km (0.104 R)
• M14: 8,270,817 km (0.096 R)
• M15: 8,437,918 km (0.088 R)
• M16: 8,836,447 km (0.114 R)
• M17: 9,247,542 km (0.032 R)
• M18: 10,298,766 km (0.112 R)
• M19: 11,844,411 km (0.078 R)
• M20: 12,343,919 km (0.115 R)
• M21: 13,006,488 km (0.079 R)
• M22: 15,724,232 km (0.028 R)
• M23: 18,797,421 km (0.08 R)
• M24: 21,821,841 km (0.096 R)
• M25: 23,560,169 km (0.081 R)
• M26: 24,577,584 km (0.111 R)
• M27: 27,680,393 km (0.059 R)
• M28: 28,685,093 km (0.084 R)
• M29: 29,068,063 km (0.105 R)
• M30: 30,501,510 km (0.079 R)
• M31: 30,634,203 km (0.078 R)
• M32: 34,793,622 km (0.114 R)
• M33: 38,845,331 km (0.118 R)
• M34: 40,903,648 km (0.05 R)
• M35: 43,367,675 km (0.091 R)
• M36: 45,408,638 km (0.096 R)
• M37: 45,754,958 km (0.117 R)
• M38: 50,048,566 km (0.108 R)
• M39: 52,864,148 km (0.106 R)
• M40: 55,191,142 km (0.076 R)
• M41: 55,388,163 km (0.065 R)
• M42: 77,294,228 km (0.114 R)
• M43: 84,658,482 km (0.096 R)
• M44: 90,000,921 km (0.117 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 14,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit