🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.3

Radius: 12.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.55 AU - 0.71 AU

Year: 345 Days

Day: 10.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,034,857 km

• M1: 160,519 km (0.078 R)
• M2: 921,822 km (0.071 R)
• M3: 1,385,875 km (0.058 R)
• M4: 2,083,001 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.2

Radius: 13.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.99 AU - 5.51 AU

Year: 7146 Days

Day: 14.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,034,857 km

• M1: 165,306 km (0.117 R)
• M2: 636,389 km (0.107 R)
• M3: 1,360,742 km (0.107 R)
• M4: 2,001,021 km (0.066 R)
• M5: 2,686,030 km (0.086 R)
• M6: 3,219,197 km (0.086 R)
• M7: 4,527,280 km (0.099 R)
• M8: 8,086,064 km (0.108 R)
• M9: 8,613,097 km (0.116 R)
• M10: 9,293,319 km (0.103 R)
• M11: 11,754,054 km (0.07 R)
• M12: 29,431,586 km (0.119 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.7

Radius: 6.1

Gravity: 24.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.95 AU - 7.41 AU

Year: 11917 Days

Day: 23.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,034,857 km

• M1: 75,846 km (0.1 R)
• M2: 336,296 km (0.068 R)
• M3: 902,225 km (0.038 R)
• M4: 1,442,572 km (0.109 R)
• M5: 1,784,104 km (0.108 R)
• M6: 3,418,760 km (0.103 R)
• M7: 3,997,704 km (0.058 R)
• M8: 4,265,035 km (0.112 R)
• M9: 4,544,335 km (0.101 R)
• M10: 5,935,595 km (0.114 R)
• M11: 6,728,164 km (0.08 R)
• M12: 7,589,250 km (0.108 R)
• M13: 13,149,503 km (0.086 R)
• M14: 13,476,375 km (0.083 R)
• M15: 13,675,041 km (0.039 R)
• M16: 17,594,804 km (0.082 R)
• M17: 25,282,489 km (0.081 R)
• M18: 25,584,976 km (0.066 R)
• M19: 30,530,532 km (0.069 R)
• M20: 34,943,071 km (0.11 R)
• M21: 38,551,670 km (0.11 R)
• M22: 39,086,782 km (0.081 R)
• M23: 40,445,879 km (0.038 R)
• M24: 44,711,961 km (0.091 R)
• M25: 45,599,675 km (0.083 R)
• M26: 46,048,020 km (0.101 R)
• M27: 46,650,301 km (0.111 R)
• M28: 56,153,805 km (0.103 R)
• M29: 58,408,095 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.4

Radius: 7.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.66 AU - 10.14 AU

Year: 16805 Days

Day: 18.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,034,857 km

• M1: 93,349 km (0.094 R)
• M2: 332,406 km (0.052 R)
• M3: 660,175 km (0.099 R)
• M4: 947,703 km (0.081 R)
• M5: 1,212,042 km (0.096 R)
• M6: 2,056,522 km (0.104 R)
• M7: 2,624,096 km (0.118 R)
• M8: 3,020,830 km (0.103 R)
• M9: 4,313,804 km (0.109 R)
• M10: 4,658,178 km (0.041 R)
• M11: 6,738,337 km (0.11 R)
• M12: 7,006,715 km (0.118 R)
• M13: 7,605,855 km (0.092 R)
• M14: 9,998,374 km (0.105 R)
• M15: 10,705,523 km (0.049 R)
• M16: 11,124,397 km (0.105 R)
• M17: 11,828,404 km (0.081 R)
• M18: 15,532,747 km (0.113 R)
• M19: 15,934,417 km (0.103 R)
• M20: 16,828,264 km (0.078 R)
• M21: 18,120,491 km (0.114 R)
• M22: 20,820,433 km (0.107 R)
• M23: 21,308,721 km (0.113 R)
• M24: 22,393,006 km (0.08 R)
• M25: 24,761,589 km (0.114 R)
• M26: 27,195,547 km (0.084 R)
• M27: 30,717,679 km (0.06 R)
• M28: 32,970,623 km (0.092 R)
• M29: 35,331,576 km (0.087 R)
• M30: 35,677,746 km (0.112 R)
• M31: 36,259,831 km (0.107 R)
• M32: 39,512,986 km (0.099 R)
• M33: 40,387,087 km (0.098 R)
• M34: 42,303,435 km (0.058 R)
• M35: 43,746,905 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.4

Radius: 4.9

Gravity: 39 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.07 AU - 10.03 AU

Year: 20371 Days

Day: 17.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,034,857 km

• M1: 61,485 km (0.118 R)
• M2: 271,071 km (0.102 R)
• M3: 958,174 km (0.109 R)
• M4: 1,169,556 km (0.116 R)
• M5: 1,799,064 km (0.092 R)
• M6: 2,321,609 km (0.101 R)
• M7: 3,243,880 km (0.092 R)
• M8: 3,418,461 km (0.098 R)
• M9: 4,352,999 km (0.085 R)
• M10: 4,748,386 km (0.049 R)
• M11: 5,528,240 km (0.069 R)
• M12: 5,948,610 km (0.097 R)
• M13: 7,092,585 km (0.11 R)
• M14: 7,949,631 km (0.086 R)
• M15: 8,650,048 km (0.098 R)
• M16: 9,101,086 km (0.089 R)
• M17: 9,988,650 km (0.076 R)
• M18: 10,234,888 km (0.11 R)
• M19: 11,526,666 km (0.094 R)
• M20: 12,281,686 km (0.119 R)
• M21: 13,215,775 km (0.114 R)
• M22: 16,301,231 km (0.037 R)
• M23: 17,784,793 km (0.077 R)
• M24: 18,055,565 km (0.072 R)
• M25: 18,884,487 km (0.05 R)
• M26: 19,931,822 km (0.1 R)
• M27: 22,350,071 km (0.068 R)
• M28: 27,278,723 km (0.057 R)
• M29: 28,738,798 km (0.112 R)
• M30: 34,119,385 km (0.059 R)
• M31: 44,458,542 km (0.1 R)
• M32: 51,055,958 km (0.099 R)
• M33: 56,703,278 km (0.026 R)
• M34: 70,788,516 km (0.058 R)
• M35: 82,198,794 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475

Radius: 5.5

Gravity: 15.7 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.19 AU - 10.15 AU

Year: 20756 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,034,857 km

• M1: 69,413 km (0.089 R)
• M2: 315,352 km (0.086 R)
• M3: 595,699 km (0.108 R)
• M4: 1,172,099 km (0.103 R)
• M5: 1,395,898 km (0.035 R)
• M6: 1,803,103 km (0.085 R)
• M7: 2,163,036 km (0.108 R)
• M8: 2,457,743 km (0.12 R)
• M9: 3,232,810 km (0.062 R)
• M10: 5,069,273 km (0.068 R)
• M11: 5,628,620 km (0.038 R)
• M12: 9,109,613 km (0.097 R)
• M13: 10,394,210 km (0.098 R)
• M14: 10,570,137 km (0.098 R)
• M15: 13,664,270 km (0.116 R)
• M16: 14,304,848 km (0.109 R)
• M17: 15,114,621 km (0.094 R)
• M18: 17,727,048 km (0.116 R)
• M19: 18,834,073 km (0.109 R)
• M20: 19,183,683 km (0.07 R)
• M21: 19,626,792 km (0.103 R)
• M22: 22,235,480 km (0.096 R)
• M23: 22,626,080 km (0.066 R)
• M24: 22,922,134 km (0.098 R)
• M25: 25,489,532 km (0.046 R)
• M26: 37,265,727 km (0.038 R)
• M27: 40,219,537 km (0.095 R)
• M28: 42,572,113 km (0.098 R)
• M29: 46,588,068 km (0.092 R)
• M30: 53,947,087 km (0.074 R)
• M31: 55,542,099 km (0.043 R)
• M32: 63,207,045 km (0.092 R)
• M33: 68,416,043 km (0.096 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 11,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit