🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.6 AU - 0.94 AU

Year: 297 Days

Day: 41.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.2

Radius: 14.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.31 AU - 4.29 AU

Year: 3257 Days

Day: 8.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 97,638,918 km

• M1: 179,069 km (0.115 R)
• M2: 730,038 km (0.067 R)
• M3: 1,297,462 km (0.104 R)
• M4: 2,019,422 km (0.069 R)
• M5: 2,511,599 km (0.111 R)
• M6: 3,016,641 km (0.11 R)
• M7: 3,476,804 km (0.08 R)
• M8: 4,723,254 km (0.11 R)
• M9: 5,500,564 km (0.077 R)
• M10: 8,117,779 km (0.08 R)
• M11: 8,840,187 km (0.103 R)
• M12: 10,612,772 km (0.087 R)
• M13: 11,477,149 km (0.087 R)
• M14: 11,948,532 km (0.113 R)
• M15: 12,611,998 km (0.116 R)
• M16: 14,452,949 km (0.114 R)
• M17: 16,039,435 km (0.077 R)
• M18: 16,683,753 km (0.085 R)
• M19: 20,045,067 km (0.054 R)
• M20: 22,081,095 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 11.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.49 AU - 7.81 AU

Year: 7540 Days

Day: 13.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 97,638,918 km

• M1: 194,627 km (0.044 R)
• M2: 969,544 km (0.114 R)
• M3: 2,191,160 km (0.119 R)
• M4: 3,338,576 km (0.101 R)
• M5: 5,182,220 km (0.09 R)
• M6: 6,158,944 km (0.101 R)
• M7: 7,013,747 km (0.085 R)
• M8: 8,109,102 km (0.101 R)
• M9: 12,080,776 km (0.1 R)
• M10: 13,098,042 km (0.036 R)
• M11: 15,051,790 km (0.088 R)
• M12: 16,759,898 km (0.1 R)
• M13: 17,411,995 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.3

Radius: 8.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7 AU - 7.18 AU

Year: 8301 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 97,638,918 km

• M1: 113,395 km (0.053 R)
• M2: 433,535 km (0.077 R)
• M3: 737,817 km (0.11 R)
• M4: 1,834,219 km (0.113 R)
• M5: 2,461,483 km (0.076 R)
• M6: 2,825,305 km (0.114 R)
• M7: 3,730,821 km (0.083 R)
• M8: 4,818,099 km (0.046 R)
• M9: 6,103,743 km (0.083 R)
• M10: 6,533,986 km (0.112 R)
• M11: 7,055,484 km (0.098 R)
• M12: 8,103,118 km (0.095 R)
• M13: 8,705,250 km (0.069 R)
• M14: 11,171,221 km (0.119 R)
• M15: 11,665,044 km (0.118 R)
• M16: 12,121,616 km (0.111 R)
• M17: 14,239,922 km (0.066 R)
• M18: 15,477,396 km (0.066 R)
• M19: 16,784,881 km (0.079 R)
• M20: 17,564,286 km (0.094 R)
• M21: 18,503,910 km (0.096 R)
• M22: 20,192,122 km (0.081 R)
• M23: 20,703,298 km (0.119 R)
• M24: 23,469,363 km (0.109 R)
• M25: 24,197,605 km (0.101 R)
• M26: 25,444,653 km (0.072 R)
• M27: 26,127,119 km (0.085 R)
• M28: 29,911,197 km (0.101 R)
• M29: 30,959,579 km (0.097 R)
• M30: 31,541,514 km (0.109 R)
• M31: 32,428,330 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814

Radius: 10.7

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.4 AU - 10.36 AU

Year: 12632 Days

Day: 9.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 97,638,918 km

• M1: 133,142 km (0.054 R)
• M2: 539,151 km (0.041 R)
• M3: 971,937 km (0.096 R)
• M4: 1,311,225 km (0.12 R)
• M5: 1,930,860 km (0.114 R)
• M6: 2,871,830 km (0.109 R)
• M7: 3,865,011 km (0.108 R)
• M8: 5,244,602 km (0.073 R)
• M9: 6,437,047 km (0.066 R)
• M10: 7,312,643 km (0.049 R)
• M11: 8,504,489 km (0.065 R)
• M12: 10,089,479 km (0.097 R)
• M13: 10,528,549 km (0.053 R)
• M14: 11,563,616 km (0.059 R)
• M15: 17,936,635 km (0.084 R)
• M16: 20,176,863 km (0.077 R)
• M17: 31,243,366 km (0.031 R)
• M18: 32,414,268 km (0.092 R)
• M19: 35,975,146 km (0.092 R)
• M20: 38,978,772 km (0.113 R)
• M21: 41,303,374 km (0.077 R)
• M22: 42,855,900 km (0.036 R)
• M23: 43,718,931 km (0.105 R)
• M24: 45,035,242 km (0.052 R)
• M25: 45,628,697 km (0.118 R)
• M26: 46,377,733 km (0.098 R)
• M27: 46,831,165 km (0.106 R)
• M28: 47,287,438 km (0.114 R)
• M29: 50,246,783 km (0.09 R)
• M30: 52,341,303 km (0.061 R)
• M31: 52,997,290 km (0.065 R)
• M32: 56,359,801 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.2

Radius: 7.9

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.6 AU - 14.02 AU

Year: 21352 Days

Day: 20.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 97,638,918 km

• M1: 104,569 km (0.071 R)
• M2: 440,416 km (0.111 R)
• M3: 733,329 km (0.088 R)
• M4: 996,471 km (0.089 R)
• M5: 1,620,145 km (0.047 R)
• M6: 2,480,931 km (0.076 R)
• M7: 3,856,334 km (0.116 R)
• M8: 4,170,190 km (0.078 R)
• M9: 4,603,874 km (0.108 R)
• M10: 6,128,576 km (0.12 R)
• M11: 6,868,936 km (0.116 R)
• M12: 9,674,195 km (0.076 R)
• M13: 12,007,623 km (0.119 R)
• M14: 13,877,596 km (0.047 R)
• M15: 14,170,210 km (0.119 R)
• M16: 14,541,811 km (0.054 R)
• M17: 15,460,192 km (0.065 R)
• M18: 16,498,252 km (0.046 R)
• M19: 17,159,624 km (0.119 R)
• M20: 17,924,667 km (0.06 R)
• M21: 18,447,362 km (0.048 R)
• M22: 22,494,134 km (0.117 R)
• M23: 24,350,943 km (0.051 R)
• M24: 25,425,505 km (0.073 R)
• M25: 26,419,433 km (0.042 R)
• M26: 27,900,302 km (0.089 R)
• M27: 29,076,590 km (0.093 R)
• M28: 30,041,048 km (0.073 R)
• M29: 30,778,416 km (0.1 R)
• M30: 32,545,466 km (0.076 R)
• M31: 34,512,827 km (0.096 R)
• M32: 45,067,705 km (0.11 R)
• M33: 46,195,972 km (0.057 R)
• M34: 56,649,871 km (0.117 R)
• M35: 63,220,958 km (0.034 R)
• M36: 67,523,393 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.5

Radius: 7.2

Gravity: 18.14 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 11.62 AU - 17.04 AU

Year: 23853 Days

Day: 15.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 97,638,918 km

• M1: 90,058 km (0.117 R)
• M2: 450,290 km (0.107 R)
• M3: 849,716 km (0.064 R)
• M4: 1,186,311 km (0.083 R)
• M5: 1,702,424 km (0.116 R)
• M6: 1,939,088 km (0.099 R)
• M7: 2,528,802 km (0.095 R)
• M8: 2,811,991 km (0.049 R)
• M9: 3,473,214 km (0.102 R)
• M10: 4,340,582 km (0.046 R)
• M11: 5,554,270 km (0.098 R)
• M12: 6,216,390 km (0.116 R)
• M13: 7,803,324 km (0.097 R)
• M14: 8,805,929 km (0.093 R)
• M15: 10,663,486 km (0.113 R)
• M16: 12,399,420 km (0.09 R)
• M17: 14,477,035 km (0.08 R)
• M18: 16,333,096 km (0.088 R)
• M19: 19,014,787 km (0.079 R)
• M20: 26,913,106 km (0.074 R)
• M21: 32,402,001 km (0.058 R)
• M22: 34,820,849 km (0.109 R)
• M23: 37,510,619 km (0.114 R)
• M24: 38,126,513 km (0.073 R)
• M25: 41,635,481 km (0.105 R)
• M26: 43,637,400 km (0.097 R)
• M27: 54,615,939 km (0.077 R)
• M28: 55,407,162 km (0.111 R)
• M29: 58,236,506 km (0.045 R)
• M30: 59,062,287 km (0.064 R)
• M31: 75,047,866 km (0.09 R)
• M32: 78,006,314 km (0.107 R)
• M33: 82,329,393 km (0.108 R)
• M34: 85,475,287 km (0.119 R)
• M35: 87,347,055 km (0.104 R)
• M36: 87,886,804 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.8

Radius: 6.4

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 15.01 AU - 16.39 AU

Year: 27354 Days

Day: 19.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 97,638,918 km

• M1: 79,736 km (0.08 R)
• M2: 1,076,506 km (0.047 R)
• M3: 1,428,211 km (0.086 R)
• M4: 2,175,602 km (0.114 R)
• M5: 5,265,546 km (0.068 R)
• M6: 6,138,001 km (0.083 R)
• M7: 6,656,956 km (0.107 R)
• M8: 7,782,231 km (0.11 R)
• M9: 9,762,607 km (0.099 R)
• M10: 10,734,545 km (0.08 R)
• M11: 11,698,404 km (0.1 R)
• M12: 11,984,136 km (0.061 R)
• M13: 13,250,631 km (0.116 R)
• M14: 14,935,253 km (0.118 R)
• M15: 16,667,746 km (0.074 R)
• M16: 19,411,521 km (0.081 R)
• M17: 23,783,668 km (0.062 R)
• M18: 34,849,871 km (0.094 R)
• M19: 35,739,978 km (0.097 R)
• M20: 37,720,804 km (0.049 R)
• M21: 40,909,034 km (0.069 R)
• M22: 49,842,869 km (0.028 R)
• M23: 60,843,100 km (0.062 R)
• M24: 64,544,450 km (0.116 R)
• M25: 67,017,901 km (0.102 R)
• M26: 80,080,787 km (0.1 R)
• M27: 89,119,341 km (0.089 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 11,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit