🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 8

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.84 AU - 1.2 AU

Year: 724 Days

Day: 9.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,462,039 km

• M1: 99,931 km (0.077 R)
• M2: 390,750 km (0.088 R)
• M3: 667,356 km (0.088 R)
• M4: 944,860 km (0.096 R)
• M5: 1,234,482 km (0.067 R)
• M6: 1,568,085 km (0.05 R)
• M7: 1,916,498 km (0.112 R)
• M8: 2,450,862 km (0.111 R)
• M9: 3,105,652 km (0.087 R)
• M10: 3,900,764 km (0.05 R)
• M11: 4,153,585 km (0.082 R)
• M12: 4,545,083 km (0.106 R)
• M13: 4,808,375 km (0.032 R)
• M14: 5,698,183 km (0.098 R)
• M15: 6,083,248 km (0.11 R)
• M16: 6,798,924 km (0.052 R)
• M17: 7,254,599 km (0.064 R)
• M18: 7,987,928 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.9

Radius: 14.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.16 AU - 1.8 AU

Year: 1266 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,462,039 km

• M1: 186,549 km (0.072 R)
• M2: 678,426 km (0.111 R)
• M3: 1,163,423 km (0.102 R)
• M4: 1,669,363 km (0.097 R)
• M5: 2,325,200 km (0.102 R)
• M6: 2,903,844 km (0.064 R)
• M7: 3,381,809 km (0.106 R)
• M8: 4,079,235 km (0.114 R)
• M9: 4,664,162 km (0.079 R)
• M10: 5,386,571 km (0.117 R)
• M11: 5,850,922 km (0.068 R)
• M12: 6,319,014 km (0.074 R)
• M13: 7,306,061 km (0.111 R)
• M14: 8,933,237 km (0.116 R)
• M15: 9,556,462 km (0.11 R)
• M16: 11,124,098 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.9

Radius: 14.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.42 AU - 1.7 AU

Year: 1370 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,462,039 km

• M1: 181,013 km (0.109 R)
• M2: 755,170 km (0.095 R)
• M3: 1,219,821 km (0.049 R)
• M4: 2,516,685 km (0.098 R)
• M5: 3,186,135 km (0.085 R)
• M6: 3,739,947 km (0.108 R)
• M7: 4,522,942 km (0.041 R)
• M8: 5,647,619 km (0.115 R)
• M9: 6,114,813 km (0.118 R)
• M10: 7,489,169 km (0.105 R)
• M11: 7,944,694 km (0.062 R)
• M12: 9,060,694 km (0.114 R)
• M13: 9,861,192 km (0.109 R)
• M14: 10,475,441 km (0.074 R)
• M15: 11,184,236 km (0.059 R)
• M16: 11,674,319 km (0.113 R)
• M17: 12,399,270 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.1

Radius: 11.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.9 AU - 2 AU

Year: 1914 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,462,039 km

• M1: 139,425 km (0.046 R)
• M2: 523,293 km (0.062 R)
• M3: 1,097,300 km (0.071 R)
• M4: 1,666,520 km (0.119 R)
• M5: 2,230,654 km (0.084 R)
• M6: 2,620,356 km (0.056 R)
• M7: 3,225,779 km (0.099 R)
• M8: 4,193,528 km (0.069 R)
• M9: 5,489,344 km (0.099 R)
• M10: 5,961,176 km (0.046 R)
• M11: 6,600,856 km (0.083 R)
• M12: 7,963,244 km (0.047 R)
• M13: 8,484,742 km (0.034 R)
• M14: 9,205,355 km (0.105 R)
• M15: 10,123,587 km (0.096 R)
• M16: 10,507,605 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.4

Radius: 8.8

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.72 AU - 4.26 AU

Year: 4583 Days

Day: 14.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,462,039 km

• M1: 109,506 km (0.08 R)
• M2: 671,096 km (0.091 R)
• M3: 945,907 km (0.109 R)
• M4: 1,406,519 km (0.117 R)
• M5: 1,781,411 km (0.051 R)
• M6: 2,503,969 km (0.107 R)
• M7: 2,917,009 km (0.06 R)
• M8: 3,567,610 km (0.105 R)
• M9: 3,937,266 km (0.065 R)
• M10: 5,019,308 km (0.108 R)
• M11: 5,876,952 km (0.12 R)
• M12: 6,235,688 km (0.069 R)
• M13: 7,788,963 km (0.081 R)
• M14: 9,342,237 km (0.059 R)
• M15: 14,246,953 km (0.098 R)
• M16: 15,515,842 km (0.103 R)
• M17: 16,705,445 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.1

Radius: 8.3

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.23 AU - 5.39 AU

Year: 7415 Days

Day: 14.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,462,039 km

• M1: 103,223 km (0.111 R)
• M2: 417,976 km (0.114 R)
• M3: 693,536 km (0.098 R)
• M4: 1,484,759 km (0.06 R)
• M5: 2,303,059 km (0.102 R)
• M6: 2,947,527 km (0.046 R)
• M7: 3,393,478 km (0.083 R)
• M8: 4,254,563 km (0.094 R)
• M9: 4,591,009 km (0.074 R)
• M10: 5,191,345 km (0.12 R)
• M11: 5,675,145 km (0.106 R)
• M12: 6,807,601 km (0.072 R)
• M13: 7,151,676 km (0.057 R)
• M14: 8,958,668 km (0.044 R)
• M15: 10,387,029 km (0.078 R)
• M16: 11,580,521 km (0.104 R)
• M17: 12,519,547 km (0.079 R)
• M18: 13,748,643 km (0.105 R)
• M19: 14,299,312 km (0.101 R)
• M20: 15,314,484 km (0.057 R)
• M21: 15,641,355 km (0.108 R)
• M22: 20,483,240 km (0.057 R)
• M23: 23,199,039 km (0.115 R)
• M24: 24,598,378 km (0.096 R)
• M25: 26,707,409 km (0.056 R)
• M26: 26,991,046 km (0.025 R)
• M27: 29,433,979 km (0.068 R)
• M28: 31,702,482 km (0.118 R)
• M29: 34,195,979 km (0.066 R)
• M30: 35,776,181 km (0.094 R)
• M31: 39,692,504 km (0.084 R)
• M32: 42,972,587 km (0.066 R)

Asteroid Belt

Center: 6.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.3

Radius: 6.3

Gravity: 10.51 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.53 AU - 8.83 AU

Year: 16445 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,462,039 km

• M1: 78,389 km (0.08 R)
• M2: 360,980 km (0.092 R)
• M3: 594,502 km (0.104 R)
• M4: 1,241,363 km (0.101 R)
• M5: 1,635,554 km (0.119 R)
• M6: 2,502,174 km (0.092 R)
• M7: 3,254,502 km (0.118 R)
• M8: 3,457,805 km (0.117 R)
• M9: 4,326,969 km (0.071 R)
• M10: 5,873,212 km (0.117 R)
• M11: 6,528,002 km (0.095 R)
• M12: 6,811,341 km (0.106 R)
• M13: 7,187,579 km (0.1 R)
• M14: 9,535,667 km (0.054 R)
• M15: 15,390,031 km (0.078 R)
• M16: 16,405,650 km (0.088 R)
• M17: 17,157,978 km (0.054 R)
• M18: 17,854,506 km (0.112 R)
• M19: 21,267,581 km (0.09 R)
• M20: 22,252,384 km (0.102 R)
• M21: 23,833,334 km (0.033 R)
• M22: 24,602,716 km (0.068 R)
• M23: 27,321,508 km (0.075 R)
• M24: 30,345,928 km (0.1 R)
• M25: 32,520,782 km (0.108 R)
• M26: 32,991,566 km (0.093 R)
• M27: 38,473,580 km (0.054 R)
• M28: 39,933,057 km (0.119 R)
• M29: 40,202,333 km (0.068 R)
• M30: 42,121,375 km (0.065 R)
• M31: 46,141,219 km (0.081 R)
• M32: 48,702,484 km (0.071 R)
• M33: 52,477,437 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.8

Radius: 4.3

Gravity: 47.91 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.4 AU - 10.36 AU

Year: 17052 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 79,462,039 km

• M1: 56,398 km (0.114 R)
• M2: 220,956 km (0.107 R)
• M3: 382,073 km (0.115 R)
• M4: 983,606 km (0.062 R)
• M5: 1,535,921 km (0.073 R)
• M6: 1,869,973 km (0.11 R)
• M7: 2,250,999 km (0.04 R)
• M8: 3,442,397 km (0.084 R)
• M9: 3,645,700 km (0.089 R)
• M10: 5,650,910 km (0.117 R)
• M11: 6,705,874 km (0.117 R)
• M12: 7,985,534 km (0.061 R)
• M13: 8,498,206 km (0.088 R)
• M14: 8,656,331 km (0.07 R)
• M15: 8,978,116 km (0.084 R)
• M16: 9,875,554 km (0.07 R)
• M17: 10,526,305 km (0.074 R)
• M18: 11,142,199 km (0.105 R)
• M19: 13,487,295 km (0.075 R)
• M20: 15,041,617 km (0.119 R)
• M21: 18,324,991 km (0.117 R)
• M22: 20,983,794 km (0.085 R)
• M23: 21,176,177 km (0.079 R)
• M24: 22,858,555 km (0.09 R)
• M25: 25,491,627 km (0.093 R)
• M26: 26,937,490 km (0.089 R)
• M27: 29,028,420 km (0.074 R)
• M28: 34,858,249 km (0.114 R)
• M29: 34,992,887 km (0.068 R)
• M30: 42,334,402 km (0.092 R)
• M31: 42,641,527 km (0.086 R)
• M32: 42,795,612 km (0.064 R)
• M33: 43,728,056 km (0.042 R)
• M34: 44,992,457 km (0.088 R)
• M35: 45,312,297 km (0.11 R)
• M36: 49,100,265 km (0.113 R)
• M37: 50,293,757 km (0.098 R)
• M38: 53,272,400 km (0.078 R)
• M39: 65,130,425 km (0.036 R)
• M40: 68,031,427 km (0.071 R)
• M41: 69,941,193 km (0.118 R)
• M42: 74,312,593 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.2

Radius: 6.6

Gravity: 22.3 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.58 AU - 8.7 AU

Year: 17852 Days

Day: 18.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,462,039 km

• M1: 82,428 km (0.089 R)
• M2: 477,965 km (0.066 R)
• M3: 2,509,504 km (0.077 R)
• M4: 3,276,493 km (0.112 R)
• M5: 3,653,629 km (0.102 R)
• M6: 8,619,530 km (0.055 R)
• M7: 12,686,049 km (0.082 R)
• M8: 16,093,290 km (0.037 R)
• M9: 18,316,464 km (0.089 R)
• M10: 18,675,649 km (0.106 R)
• M11: 20,833,598 km (0.084 R)
• M12: 23,678,052 km (0.115 R)
• M13: 23,890,630 km (0.091 R)
• M14: 27,234,143 km (0.095 R)
• M15: 27,702,235 km (0.108 R)
• M16: 30,876,851 km (0.071 R)
• M17: 34,015,115 km (0.056 R)
• M18: 43,728,654 km (0.118 R)
• M19: 47,000,809 km (0.096 R)
• M20: 48,013,437 km (0.115 R)
• M21: 49,213,062 km (0.11 R)
• M22: 49,559,531 km (0.117 R)
• M23: 54,396,479 km (0.107 R)
• M24: 57,790,106 km (0.104 R)
• M25: 68,166,963 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.7

Radius: 6.6

Gravity: 13.74 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.23 AU - 11.13 AU

Year: 22831 Days

Day: 22.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,462,039 km

• M1: 82,129 km (0.084 R)
• M2: 938,876 km (0.101 R)
• M3: 3,573,744 km (0.037 R)
• M4: 5,394,499 km (0.089 R)
• M5: 8,751,625 km (0.074 R)
• M6: 9,082,236 km (0.085 R)
• M7: 15,730,814 km (0.072 R)
• M8: 16,219,850 km (0.083 R)
• M9: 23,531,595 km (0.089 R)
• M10: 26,386,521 km (0.099 R)
• M11: 34,790,630 km (0.104 R)
• M12: 35,620,300 km (0.118 R)
• M13: 38,188,297 km (0.118 R)
• M14: 38,627,965 km (0.118 R)
• M15: 39,667,072 km (0.113 R)
• M16: 54,361,921 km (0.116 R)
• M17: 56,990,954 km (0.119 R)
• M18: 62,298,238 km (0.104 R)
• M19: 65,175,753 km (0.106 R)
• M20: 78,277,235 km (0.103 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: 544 - 15,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit