🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.6

Radius: 8.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.82 AU - 0.86 AU

Year: 531 Days

Day: 12.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,131,997 km

• M1: 110,702 km (0.085 R)
• M2: 414,237 km (0.069 R)
• M3: 720,015 km (0.058 R)
• M4: 1,254,977 km (0.09 R)
• M5: 1,649,616 km (0.101 R)
• M6: 1,934,300 km (0.115 R)
• M7: 2,243,519 km (0.066 R)
• M8: 2,557,525 km (0.09 R)
• M9: 3,143,350 km (0.084 R)
• M10: 3,538,438 km (0.116 R)
• M11: 3,991,870 km (0.092 R)
• M12: 4,428,695 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 10.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.95 AU - 0.95 AU

Year: 639 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,131,997 km

• M1: 129,552 km (0.088 R)
• M2: 593,604 km (0.034 R)
• M3: 944,561 km (0.085 R)
• M4: 2,085,544 km (0.054 R)
• M5: 3,378,518 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.5

Radius: 9.9

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.81 AU - 1.15 AU

Year: 670 Days

Day: 6.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,131,997 km

• M1: 123,119 km (0.044 R)
• M2: 488,886 km (0.027 R)
• M3: 966,253 km (0.092 R)
• M4: 1,284,896 km (0.07 R)
• M5: 1,691,802 km (0.083 R)
• M6: 2,144,485 km (0.092 R)
• M7: 2,475,546 km (0.117 R)
• M8: 3,037,136 km (0.034 R)
• M9: 3,540,234 km (0.096 R)
• M10: 4,067,267 km (0.085 R)
• M11: 4,414,633 km (0.068 R)
• M12: 5,426,812 km (0.058 R)
• M13: 6,047,943 km (0.065 R)
• M14: 7,478,248 km (0.118 R)
• M15: 8,001,691 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 10.4

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.12 AU - 2.42 AU

Year: 2361 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,131,997 km

• M1: 129,402 km (0.102 R)
• M2: 855,999 km (0.108 R)
• M3: 1,308,832 km (0.089 R)
• M4: 1,744,760 km (0.05 R)
• M5: 2,092,425 km (0.118 R)
• M6: 2,725,224 km (0.081 R)
• M7: 3,146,342 km (0.039 R)
• M8: 4,265,634 km (0.103 R)
• M9: 5,506,099 km (0.082 R)
• M10: 6,513,491 km (0.114 R)
• M11: 7,331,343 km (0.034 R)
• M12: 7,924,349 km (0.036 R)
• M13: 8,249,126 km (0.109 R)
• M14: 11,056,629 km (0.097 R)
• M15: 13,831,071 km (0.068 R)
• M16: 15,278,879 km (0.055 R)
• M17: 18,758,526 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 14.6

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.14 AU - 3.4 AU

Year: 3182 Days

Day: 14.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,131,997 km

• M1: 183,407 km (0.101 R)
• M2: 839,394 km (0.045 R)
• M3: 1,774,829 km (0.118 R)
• M4: 2,395,361 km (0.112 R)
• M5: 2,902,348 km (0.103 R)
• M6: 3,582,271 km (0.119 R)
• M7: 4,585,624 km (0.115 R)
• M8: 6,797,129 km (0.118 R)
• M9: 7,341,366 km (0.12 R)
• M10: 9,118,888 km (0.1 R)
• M11: 12,561,733 km (0.094 R)
• M12: 13,595,155 km (0.03 R)
• M13: 14,154,502 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 11.2

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.66 AU - 2.98 AU

Year: 3269 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 125.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,131,997 km

• M1: 139,276 km (0.103 R)
• M2: 759,508 km (0.064 R)
• M3: 1,121,386 km (0.12 R)
• M4: 1,482,964 km (0.073 R)
• M5: 2,027,650 km (0.094 R)
• M6: 2,497,836 km (0.066 R)
• M7: 3,022,625 km (0.087 R)
• M8: 3,521,833 km (0.098 R)
• M9: 5,305,488 km (0.09 R)
• M10: 7,693,071 km (0.083 R)
• M11: 8,378,378 km (0.086 R)
• M12: 8,992,328 km (0.062 R)
• M13: 10,473,796 km (0.071 R)
• M14: 12,944,554 km (0.046 R)
• M15: 14,214,490 km (0.084 R)
• M16: 14,672,858 km (0.074 R)
• M17: 15,619,214 km (0.116 R)
• M18: 16,217,456 km (0.101 R)
• M19: 18,946,570 km (0.108 R)
• M20: 21,234,221 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 11.1

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.32 AU - 3.32 AU

Year: 4176 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,131,997 km

• M1: 138,677 km (0.085 R)
• M2: 555,008 km (0.062 R)
• M3: 921,224 km (0.088 R)
• M4: 2,387,881 km (0.074 R)
• M5: 2,763,970 km (0.04 R)
• M6: 3,198,851 km (0.047 R)
• M7: 4,760,503 km (0.111 R)
• M8: 5,307,284 km (0.095 R)
• M9: 6,190,958 km (0.109 R)
• M10: 6,683,883 km (0.096 R)
• M11: 7,169,777 km (0.102 R)
• M12: 9,879,743 km (0.06 R)
• M13: 11,169,276 km (0.081 R)
• M14: 11,808,209 km (0.092 R)
• M15: 12,861,378 km (0.081 R)
• M16: 13,871,911 km (0.087 R)
• M17: 16,454,569 km (0.07 R)
• M18: 17,222,156 km (0.071 R)
• M19: 17,706,105 km (0.094 R)
• M20: 20,871,745 km (0.073 R)
• M21: 21,841,439 km (0.05 R)
• M22: 24,019,883 km (0.098 R)
• M23: 24,777,147 km (0.103 R)
• M24: 25,472,179 km (0.039 R)
• M25: 27,307,745 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.1

Radius: 9.3

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.33 AU - 4.93 AU

Year: 6877 Days

Day: 11.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,131,997 km

• M1: 115,639 km (0.112 R)
• M2: 501,751 km (0.119 R)
• M3: 955,631 km (0.074 R)
• M4: 1,412,653 km (0.052 R)
• M5: 2,559,320 km (0.113 R)
• M6: 3,118,068 km (0.119 R)
• M7: 3,660,062 km (0.074 R)
• M8: 5,079,745 km (0.072 R)
• M9: 5,930,060 km (0.111 R)
• M10: 7,398,363 km (0.082 R)
• M11: 9,184,112 km (0.065 R)
• M12: 9,637,394 km (0.111 R)
• M13: 10,786,605 km (0.099 R)
• M14: 12,457,613 km (0.025 R)
• M15: 13,643,924 km (0.049 R)
• M16: 17,515,667 km (0.116 R)
• M17: 18,426,419 km (0.049 R)
• M18: 19,664,491 km (0.06 R)
• M19: 20,114,481 km (0.088 R)
• M20: 21,269,526 km (0.099 R)
• M21: 23,042,560 km (0.082 R)
• M22: 24,825,019 km (0.119 R)
• M23: 34,046,381 km (0.114 R)
• M24: 35,132,761 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.9

Radius: 6.9

Gravity: 20.69 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.59 AU - 10.35 AU

Year: 20116 Days

Day: 19.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 40,131,997 km

• M1: 86,168 km (0.096 R)
• M2: 613,650 km (0.099 R)
• M3: 1,513,930 km (0.119 R)
• M4: 2,100,504 km (0.106 R)
• M5: 2,411,218 km (0.03 R)
• M6: 3,294,744 km (0.083 R)
• M7: 4,171,387 km (0.061 R)
• M8: 9,199,820 km (0.109 R)
• M9: 12,195,518 km (0.108 R)
• M10: 12,907,753 km (0.084 R)
• M11: 15,291,745 km (0.068 R)
• M12: 15,784,969 km (0.119 R)
• M13: 18,688,664 km (0.116 R)
• M14: 25,872,952 km (0.11 R)
• M15: 26,690,953 km (0.086 R)
• M16: 26,927,766 km (0.118 R)
• M17: 35,985,169 km (0.117 R)
• M18: 39,251,340 km (0.09 R)
• M19: 43,359,746 km (0.093 R)
• M20: 45,013,401 km (0.099 R)
• M21: 45,855,787 km (0.102 R)
• M22: 50,225,840 km (0.066 R)
• M23: 51,497,571 km (0.111 R)
• M24: 54,674,880 km (0.114 R)
• M25: 62,244,682 km (0.066 R)
• M26: 64,559,559 km (0.112 R)
• M27: 65,630,531 km (0.081 R)
• M28: 74,160,003 km (0.078 R)
• M29: 78,203,932 km (0.115 R)
• M30: 81,891,969 km (0.084 R)
• M31: 82,141,947 km (0.189 R)
• M32: 82,894,723 km (0.143 R)
• M33: 84,159,573 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.7

Radius: 3.9

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.2 AU - 11.62 AU

Year: 21534 Days

Day: 16.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,131,997 km

• M1: 48,919 km (0.077 R)
• M2: 238,609 km (0.085 R)
• M3: 398,978 km (0.099 R)
• M4: 549,024 km (0.057 R)
• M5: 2,711,312 km (0.106 R)
• M6: 4,130,846 km (0.064 R)
• M7: 9,787,590 km (0.091 R)
• M8: 10,804,407 km (0.118 R)
• M9: 11,624,802 km (0.059 R)
• M10: 16,291,358 km (0.089 R)
• M11: 27,178,492 km (0.089 R)
• M12: 27,926,781 km (0.116 R)
• M13: 31,057,864 km (0.048 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 11,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit