🌌 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: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 14.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.72 AU - 0.94 AU

Year: 488 Days

Day: 11.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,007,686 km

• M1: 185,352 km (0.058 R)
• M2: 831,764 km (0.066 R)
• M3: 1,399,937 km (0.028 R)
• M4: 2,222,276 km (0.102 R)
• M5: 2,722,532 km (0.088 R)
• M6: 3,195,261 km (0.083 R)
• M7: 3,803,526 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.4

Radius: 8.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.34 AU - 1.62 AU

Year: 1163 Days

Day: 9 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,007,686 km

• M1: 108,159 km (0.077 R)
• M2: 483,949 km (0.093 R)
• M3: 920,924 km (0.074 R)
• M4: 1,428,211 km (0.029 R)
• M5: 1,749,397 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 8

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.54 AU - 1.88 AU

Year: 1444 Days

Day: 6.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,007,686 km

• M1: 99,931 km (0.12 R)
• M2: 387,458 km (0.099 R)
• M3: 687,253 km (0.094 R)
• M4: 1,348,774 km (0.078 R)
• M5: 1,890,468 km (0.062 R)
• M6: 2,450,264 km (0.073 R)
• M7: 2,756,640 km (0.064 R)
• M8: 3,228,472 km (0.034 R)
• M9: 3,506,574 km (0.073 R)
• M10: 3,978,406 km (0.109 R)
• M11: 4,246,934 km (0.098 R)
• M12: 5,185,212 km (0.108 R)
• M13: 5,588,677 km (0.105 R)
• M14: 5,926,320 km (0.104 R)
• M15: 7,440,699 km (0.055 R)
• M16: 7,980,747 km (0.092 R)
• M17: 8,574,352 km (0.117 R)
• M18: 9,284,193 km (0.079 R)
• M19: 9,548,982 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 13.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.87 AU - 2.09 AU

Year: 1799 Days

Day: 10 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,007,686 km

• M1: 165,455 km (0.103 R)
• M2: 583,132 km (0.047 R)
• M3: 1,397,244 km (0.109 R)
• M4: 1,921,884 km (0.103 R)
• M5: 2,400,747 km (0.092 R)
• M6: 4,248,580 km (0.107 R)
• M7: 4,927,903 km (0.115 R)
• M8: 6,093,570 km (0.043 R)
• M9: 8,394,984 km (0.092 R)
• M10: 9,120,683 km (0.093 R)
• M11: 9,563,044 km (0.091 R)
• M12: 10,153,058 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.3

Radius: 10.9

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.13 AU - 4.55 AU

Year: 5838 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 89,007,686 km

• M1: 142,866 km (0.072 R)
• M2: 485,894 km (0.114 R)
• M3: 1,073,664 km (0.111 R)
• M4: 1,493,436 km (0.05 R)
• M5: 2,049,042 km (0.113 R)
• M6: 2,398,203 km (0.087 R)
• M7: 3,219,197 km (0.099 R)
• M8: 3,816,391 km (0.093 R)
• M9: 4,647,707 km (0.1 R)
• M10: 5,283,348 km (0.095 R)
• M11: 6,758,084 km (0.078 R)
• M12: 7,509,514 km (0.086 R)
• M13: 8,108,953 km (0.05 R)
• M14: 12,812,459 km (0.081 R)
• M15: 13,188,548 km (0.077 R)
• M16: 13,571,968 km (0.09 R)
• M17: 15,128,683 km (0.038 R)
• M18: 15,655,268 km (0.055 R)
• M19: 20,446,139 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.4

Radius: 10.8

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.47 AU - 5.67 AU

Year: 6308 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 89,007,686 km

• M1: 135,835 km (0.049 R)
• M2: 496,515 km (0.097 R)
• M3: 873,053 km (0.106 R)
• M4: 1,356,553 km (0.097 R)
• M5: 1,774,680 km (0.086 R)
• M6: 2,311,138 km (0.054 R)
• M7: 2,895,616 km (0.03 R)
• M8: 3,779,590 km (0.049 R)
• M9: 5,980,474 km (0.115 R)
• M10: 6,668,175 km (0.096 R)
• M11: 7,703,692 km (0.119 R)
• M12: 8,843,179 km (0.118 R)
• M13: 9,389,062 km (0.095 R)
• M14: 9,868,523 km (0.062 R)
• M15: 12,052,502 km (0.058 R)
• M16: 12,671,388 km (0.119 R)
• M17: 14,029,139 km (0.062 R)
• M18: 15,065,104 km (0.091 R)
• M19: 16,028,065 km (0.088 R)
• M20: 16,776,803 km (0.057 R)
• M21: 17,811,272 km (0.113 R)
• M22: 20,583,171 km (0.095 R)
• M23: 25,261,695 km (0.033 R)
• M24: 26,533,277 km (0.095 R)
• M25: 27,936,355 km (0.101 R)
• M26: 29,851,956 km (0.095 R)
• M27: 30,226,549 km (0.098 R)
• M28: 32,343,209 km (0.046 R)
• M29: 33,639,325 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 12

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.35 AU - 6.15 AU

Year: 7767 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,007,686 km

• M1: 149,448 km (0.045 R)
• M2: 614,398 km (0.09 R)
• M3: 1,304,643 km (0.108 R)
• M4: 2,561,864 km (0.114 R)
• M5: 3,346,804 km (0.115 R)
• M6: 4,394,288 km (0.115 R)
• M7: 5,361,588 km (0.092 R)
• M8: 6,254,238 km (0.053 R)
• M9: 7,015,093 km (0.113 R)
• M10: 10,341,850 km (0.113 R)
• M11: 10,992,152 km (0.079 R)
• M12: 12,154,827 km (0.072 R)
• M13: 14,171,107 km (0.107 R)
• M14: 14,786,104 km (0.099 R)
• M15: 16,535,501 km (0.083 R)
• M16: 17,148,254 km (0.101 R)
• M17: 17,705,506 km (0.038 R)
• M18: 18,203,069 km (0.099 R)
• M19: 19,151,819 km (0.106 R)
• M20: 19,827,702 km (0.075 R)
• M21: 23,278,925 km (0.088 R)
• M22: 26,738,675 km (0.094 R)
• M23: 29,922,267 km (0.094 R)
• M24: 30,324,685 km (0.11 R)
• M25: 31,970,262 km (0.051 R)
• M26: 41,472,868 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.3

Radius: 10.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.85 AU - 6.07 AU

Year: 8238 Days

Day: 11.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,007,686 km

• M1: 131,796 km (0.084 R)
• M2: 478,713 km (0.112 R)
• M3: 821,143 km (0.107 R)
• M4: 1,804,001 km (0.092 R)
• M5: 2,503,670 km (0.087 R)
• M6: 3,009,012 km (0.112 R)
• M7: 3,604,710 km (0.104 R)
• M8: 5,241,909 km (0.118 R)
• M9: 6,414,457 km (0.071 R)
• M10: 6,951,663 km (0.103 R)
• M11: 8,405,755 km (0.113 R)
• M12: 12,226,484 km (0.055 R)
• M13: 13,109,860 km (0.107 R)
• M14: 14,213,294 km (0.096 R)
• M15: 17,276,011 km (0.063 R)
• M16: 18,035,220 km (0.12 R)
• M17: 19,325,502 km (0.09 R)
• M18: 20,676,371 km (0.025 R)
• M19: 21,769,781 km (0.082 R)
• M20: 23,148,775 km (0.107 R)
• M21: 23,986,672 km (0.036 R)
• M22: 24,931,682 km (0.084 R)
• M23: 28,482,387 km (0.07 R)
• M24: 33,193,075 km (0.105 R)
• M25: 33,616,437 km (0.032 R)
• M26: 36,794,793 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638

Radius: 7.7

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.75 AU - 7.63 AU

Year: 11173 Days

Day: 16.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,007,686 km

• M1: 96,491 km (0.1 R)
• M2: 389,104 km (0.073 R)
• M3: 732,132 km (0.063 R)
• M4: 1,130,661 km (0.109 R)
• M5: 1,509,143 km (0.108 R)
• M6: 1,920,089 km (0.034 R)
• M7: 2,161,540 km (0.066 R)
• M8: 5,453,142 km (0.07 R)
• M9: 6,729,660 km (0.083 R)
• M10: 7,542,874 km (0.082 R)
• M11: 8,419,817 km (0.094 R)
• M12: 9,759,615 km (0.103 R)
• M13: 12,085,114 km (0.093 R)
• M14: 14,362,293 km (0.057 R)
• M15: 17,424,861 km (0.112 R)
• M16: 19,345,697 km (0.09 R)
• M17: 20,729,927 km (0.11 R)
• M18: 21,659,977 km (0.097 R)
• M19: 23,512,447 km (0.05 R)
• M20: 30,019,057 km (0.081 R)
• M21: 34,612,160 km (0.112 R)
• M22: 35,799,668 km (0.045 R)
• M23: 39,653,010 km (0.092 R)
• M24: 41,613,041 km (0.098 R)
• M25: 45,866,857 km (0.077 R)
• M26: 46,722,407 km (0.105 R)

Asteroid Belt

Center: 8.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854

Radius: 3.1

Gravity: 88.87 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.96 AU - 11.48 AU

Year: 22662 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,007,686 km

• M1: 39,494 km (0.061 R)
• M2: 147,504 km (0.079 R)
• M3: 267,331 km (0.075 R)
• M4: 557,402 km (0.069 R)
• M5: 782,846 km (0.077 R)
• M6: 1,178,532 km (0.083 R)
• M7: 1,888,823 km (0.117 R)
• M8: 2,489,009 km (0.072 R)
• M9: 2,845,950 km (0.114 R)
• M10: 3,504,629 km (0.035 R)
• M11: 4,436,325 km (0.116 R)
• M12: 4,920,424 km (0.08 R)
• M13: 5,521,657 km (0.12 R)
• M14: 6,036,723 km (0.048 R)
• M15: 6,630,028 km (0.046 R)
• M16: 6,772,296 km (0.066 R)
• M17: 10,569,838 km (0.074 R)
• M18: 10,894,914 km (0.118 R)
• M19: 14,840,857 km (0.102 R)
• M20: 17,941,871 km (0.042 R)
• M21: 21,655,489 km (0.079 R)
• M22: 22,926,771 km (0.096 R)
• M23: 23,143,239 km (0.114 R)
• M24: 26,202,516 km (0.11 R)
• M25: 28,760,340 km (0.095 R)
• M26: 35,945,077 km (0.106 R)
• M27: 36,975,059 km (0.074 R)
• M28: 39,248,198 km (0.031 R)
• M29: 42,096,841 km (0.085 R)
• M30: 44,573,434 km (0.112 R)
• M31: 54,676,675 km (0.107 R)
• M32: 62,337,134 km (0.088 R)
• M33: 65,330,437 km (0.097 R)
• M34: 73,229,654 km (0.095 R)
• M35: 79,989,084 km (0.092 R)
• M36: 80,237,865 km (0.119 R)
• M37: 87,415,870 km (0.041 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 11,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit