🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.5

Radius: 8.4

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.48 AU - 0.68 AU

Year: 295 Days

Day: 9.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,505,586 km

• M1: 104,868 km (0.105 R)
• M2: 517,758 km (0.116 R)
• M3: 824,434 km (0.09 R)
• M4: 1,237,623 km (0.077 R)
• M5: 1,502,711 km (0.115 R)
• M6: 1,857,108 km (0.103 R)
• M7: 2,150,769 km (0.113 R)
• M8: 2,538,825 km (0.053 R)
• M9: 2,823,211 km (0.103 R)
• M10: 3,149,933 km (0.071 R)
• M11: 4,015,955 km (0.043 R)
• M12: 4,350,755 km (0.103 R)
• M13: 4,745,992 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.4

Radius: 10.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.65 AU - 0.73 AU

Year: 382 Days

Day: 12.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 60,505,586 km

• M1: 132,544 km (0.109 R)
• M2: 566,078 km (0.109 R)
• M3: 994,078 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 12.2

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.56 AU - 0.9 AU

Year: 416 Days

Day: 9.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,505,586 km

• M1: 151,692 km (0.071 R)
• M2: 590,313 km (0.099 R)
• M3: 1,053,319 km (0.085 R)
• M4: 1,649,466 km (0.075 R)
• M5: 2,165,878 km (0.118 R)
• M6: 2,771,899 km (0.09 R)
• M7: 3,162,200 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 8.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.21 AU - 1.75 AU

Year: 1201 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,505,586 km

• M1: 105,766 km (0.096 R)
• M2: 402,867 km (0.094 R)
• M3: 723,605 km (0.085 R)
• M4: 1,468,602 km (0.081 R)
• M5: 1,887,626 km (0.114 R)
• M6: 3,712,421 km (0.074 R)
• M7: 4,185,000 km (0.107 R)
• M8: 4,924,014 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 11.4

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.61 AU - 1.99 AU

Year: 1610 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,505,586 km

• M1: 141,819 km (0.111 R)
• M2: 509,082 km (0.117 R)
• M3: 913,893 km (0.119 R)
• M4: 1,381,387 km (0.095 R)
• M5: 2,137,903 km (0.076 R)
• M6: 2,629,931 km (0.101 R)
• M7: 3,533,651 km (0.098 R)
• M8: 4,279,995 km (0.066 R)
• M9: 4,729,686 km (0.091 R)
• M10: 5,746,653 km (0.105 R)
• M11: 7,875,879 km (0.107 R)
• M12: 9,424,217 km (0.093 R)
• M13: 10,822,658 km (0.115 R)
• M14: 11,553,743 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.8

Radius: 9.6

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.03 AU - 2.91 AU

Year: 2589 Days

Day: 10 Hours

Environment

Temp: -212 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,505,586 km

• M1: 119,379 km (0.095 R)
• M2: 451,187 km (0.094 R)
• M3: 1,007,691 km (0.06 R)
• M4: 1,528,292 km (0.107 R)
• M5: 2,273,588 km (0.059 R)
• M6: 3,125,848 km (0.109 R)
• M7: 5,139,136 km (0.114 R)
• M8: 5,722,418 km (0.106 R)
• M9: 6,056,470 km (0.116 R)
• M10: 6,430,764 km (0.031 R)
• M11: 7,555,740 km (0.041 R)
• M12: 8,245,685 km (0.117 R)
• M13: 8,908,703 km (0.039 R)
• M14: 10,006,153 km (0.088 R)
• M15: 10,454,348 km (0.113 R)
• M16: 12,596,290 km (0.064 R)
• M17: 12,987,040 km (0.025 R)
• M18: 13,656,341 km (0.113 R)
• M19: 14,536,874 km (0.059 R)
• M20: 16,155,523 km (0.088 R)
• M21: 16,462,348 km (0.051 R)
• M22: 18,775,879 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.7

Radius: 14.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.53 AU - 5.05 AU

Year: 6991 Days

Day: 11.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,505,586 km

• M1: 178,769 km (0.116 R)
• M2: 651,200 km (0.105 R)
• M3: 1,282,353 km (0.107 R)
• M4: 1,795,474 km (0.059 R)
• M5: 2,282,415 km (0.066 R)
• M6: 2,896,215 km (0.093 R)
• M7: 3,709,130 km (0.09 R)
• M8: 4,643,219 km (0.081 R)
• M9: 6,735,046 km (0.028 R)
• M10: 7,408,087 km (0.106 R)
• M11: 7,855,833 km (0.06 R)
• M12: 10,652,864 km (0.085 R)
• M13: 11,667,437 km (0.118 R)
• M14: 12,224,091 km (0.115 R)
• M15: 18,741,023 km (0.027 R)
• M16: 19,646,988 km (0.115 R)
• M17: 20,949,387 km (0.113 R)
• M18: 22,154,697 km (0.08 R)
• M19: 23,326,198 km (0.092 R)
• M20: 24,374,579 km (0.101 R)
• M21: 27,797,977 km (0.098 R)
• M22: 31,046,046 km (0.08 R)
• M23: 32,314,337 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.6

Radius: 3.3

Gravity: 90.87 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.5 AU - 7.36 AU

Year: 9630 Days

Day: 21.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 60,505,586 km

• M1: 43,234 km (0.084 R)
• M2: 420,669 km (0.081 R)
• M3: 530,025 km (0.098 R)
• M4: 979,716 km (0.048 R)
• M5: 1,904,231 km (0.085 R)
• M6: 2,026,004 km (0.06 R)
• M7: 2,171,712 km (0.044 R)
• M8: 2,650,874 km (0.096 R)
• M9: 3,924,999 km (0.101 R)
• M10: 4,600,284 km (0.052 R)
• M11: 5,213,935 km (0.083 R)
• M12: 6,601,455 km (0.119 R)
• M13: 7,169,179 km (0.12 R)
• M14: 7,681,252 km (0.108 R)
• M15: 8,217,261 km (0.092 R)
• M16: 9,067,277 km (0.111 R)
• M17: 10,078,708 km (0.091 R)
• M18: 10,342,748 km (0.086 R)
• M19: 11,791,155 km (0.106 R)
• M20: 12,025,425 km (0.083 R)
• M21: 12,382,515 km (0.081 R)
• M22: 15,289,650 km (0.083 R)
• M23: 16,863,420 km (0.062 R)
• M24: 18,151,158 km (0.071 R)
• M25: 19,748,265 km (0.054 R)
• M26: 21,263,542 km (0.084 R)
• M27: 21,610,460 km (0.114 R)
• M28: 22,226,653 km (0.08 R)
• M29: 27,379,402 km (0.091 R)
• M30: 29,046,371 km (0.088 R)
• M31: 29,152,735 km (0.104 R)
• M32: 32,010,653 km (0.111 R)
• M33: 34,095,000 km (0.086 R)
• M34: 34,570,273 km (0.1 R)
• M35: 37,388,397 km (0.038 R)
• M36: 40,887,492 km (0.049 R)
• M37: 42,100,730 km (0.094 R)
• M38: 42,510,329 km (0.093 R)
• M39: 42,647,511 km (0.12 R)
• M40: 48,978,343 km (0.111 R)
• M41: 51,116,844 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.3

Radius: 8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.77 AU - 7.85 AU

Year: 14555 Days

Day: 15.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,505,586 km

• M1: 99,483 km (0.07 R)
• M2: 409,898 km (0.115 R)
• M3: 689,646 km (0.118 R)
• M4: 1,724,415 km (0.069 R)
• M5: 2,280,919 km (0.077 R)
• M6: 2,931,669 km (0.1 R)
• M7: 3,676,667 km (0.077 R)
• M8: 5,170,402 km (0.067 R)
• M9: 7,557,984 km (0.098 R)
• M10: 7,870,942 km (0.118 R)
• M11: 8,691,187 km (0.099 R)
• M12: 10,501,023 km (0.058 R)
• M13: 11,039,724 km (0.109 R)
• M14: 12,987,788 km (0.03 R)
• M15: 13,608,619 km (0.076 R)
• M16: 15,340,065 km (0.066 R)
• M17: 16,033,750 km (0.106 R)
• M18: 16,616,583 km (0.098 R)
• M19: 17,213,629 km (0.078 R)
• M20: 17,893,551 km (0.076 R)
• M21: 22,195,088 km (0.101 R)
• M22: 23,992,357 km (0.046 R)
• M23: 26,328,028 km (0.075 R)
• M24: 32,977,953 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.5

Radius: 6

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.7 AU - 10.7 AU

Year: 17112 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,505,586 km

• M1: 74,649 km (0.079 R)
• M2: 317,596 km (0.102 R)
• M3: 985,252 km (0.088 R)
• M4: 1,518,119 km (0.074 R)
• M5: 2,847,296 km (0.098 R)
• M6: 3,037,435 km (0.049 R)
• M7: 3,469,773 km (0.118 R)
• M8: 5,581,347 km (0.069 R)
• M9: 6,033,731 km (0.107 R)
• M10: 7,583,266 km (0.062 R)
• M11: 7,811,253 km (0.042 R)
• M12: 9,020,602 km (0.118 R)
• M13: 9,432,595 km (0.119 R)
• M14: 13,127,662 km (0.077 R)
• M15: 14,970,409 km (0.057 R)
• M16: 16,593,994 km (0.097 R)
• M17: 18,495,234 km (0.114 R)
• M18: 19,160,046 km (0.081 R)
• M19: 23,198,890 km (0.097 R)
• M20: 24,861,670 km (0.105 R)
• M21: 26,497,822 km (0.099 R)
• M22: 27,555,928 km (0.091 R)
• M23: 28,095,527 km (0.115 R)
• M24: 31,015,229 km (0.092 R)
• M25: 35,764,513 km (0.075 R)
• M26: 39,186,414 km (0.105 R)
• M27: 45,463,690 km (0.084 R)
• M28: 46,065,523 km (0.113 R)
• M29: 48,058,166 km (0.107 R)
• M30: 53,874,980 km (0.099 R)
• M31: 57,651,130 km (0.091 R)
• M32: 60,324,444 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 11,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit