🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 12.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.47 AU - 0.71 AU

Year: 302 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,614,963 km

• M1: 160,818 km (0.114 R)
• M2: 633,547 km (0.038 R)
• M3: 1,053,169 km (0.112 R)
• M4: 1,544,897 km (0.072 R)
• M5: 2,237,835 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.4

Radius: 9.7

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.61 AU - 0.99 AU

Year: 477 Days

Day: 5.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,614,963 km

• M1: 120,576 km (0.118 R)
• M2: 440,865 km (0.117 R)
• M3: 959,970 km (0.119 R)
• M4: 1,342,342 km (0.069 R)
• M5: 1,668,315 km (0.102 R)
• M6: 2,286,903 km (0.065 R)
• M7: 2,660,598 km (0.088 R)
• M8: 3,122,407 km (0.1 R)
• M9: 3,519,440 km (0.116 R)
• M10: 3,880,419 km (0.071 R)
• M11: 4,192,780 km (0.101 R)
• M12: 4,522,044 km (0.067 R)
• M13: 5,421,726 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842

Radius: 14.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.24 AU - 1.74 AU

Year: 1213 Days

Day: 11.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,614,963 km

• M1: 179,069 km (0.12 R)
• M2: 729,290 km (0.053 R)
• M3: 1,425,967 km (0.097 R)
• M4: 1,983,967 km (0.111 R)
• M5: 3,600,671 km (0.116 R)
• M6: 4,271,019 km (0.092 R)
• M7: 4,885,567 km (0.071 R)
• M8: 5,348,573 km (0.081 R)
• M9: 5,929,611 km (0.052 R)
• M10: 6,624,493 km (0.086 R)
• M11: 7,347,499 km (0.097 R)
• M12: 8,515,859 km (0.118 R)
• M13: 9,100,038 km (0.084 R)
• M14: 9,679,730 km (0.108 R)
• M15: 10,154,554 km (0.101 R)
• M16: 10,812,186 km (0.074 R)
• M17: 11,603,260 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.5

Radius: 12.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.41 AU - 3.33 AU

Year: 3242 Days

Day: 6.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,614,963 km

• M1: 151,692 km (0.066 R)
• M2: 620,382 km (0.091 R)
• M3: 1,312,871 km (0.098 R)
• M4: 1,885,083 km (0.026 R)
• M5: 2,619,608 km (0.117 R)
• M6: 3,125,249 km (0.116 R)
• M7: 4,776,810 km (0.081 R)
• M8: 7,360,664 km (0.096 R)
• M9: 9,288,831 km (0.082 R)
• M10: 11,843,065 km (0.072 R)
• M11: 13,769,586 km (0.036 R)
• M12: 14,575,470 km (0.102 R)
• M13: 19,455,502 km (0.108 R)
• M14: 20,664,253 km (0.081 R)
• M15: 21,519,803 km (0.11 R)
• M16: 22,330,325 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.3

Radius: 8.9

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.94 AU - 2.96 AU

Year: 3379 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,614,963 km

• M1: 114,891 km (0.116 R)
• M2: 644,168 km (0.093 R)
• M3: 1,037,611 km (0.116 R)
• M4: 1,477,279 km (0.084 R)
• M5: 1,917,845 km (0.088 R)
• M6: 2,322,806 km (0.099 R)
• M7: 3,118,517 km (0.057 R)
• M8: 3,805,770 km (0.071 R)
• M9: 4,566,475 km (0.113 R)
• M10: 5,669,610 km (0.046 R)
• M11: 6,878,061 km (0.078 R)
• M12: 7,626,948 km (0.113 R)
• M13: 8,003,785 km (0.097 R)
• M14: 9,480,316 km (0.115 R)
• M15: 10,785,857 km (0.077 R)
• M16: 16,021,782 km (0.062 R)
• M17: 22,598,853 km (0.069 R)
• M18: 23,592,931 km (0.111 R)
• M19: 24,100,666 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.6

Radius: 11.2

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.07 AU - 3.69 AU

Year: 4144 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,614,963 km

• M1: 139,575 km (0.117 R)
• M2: 539,899 km (0.047 R)
• M3: 953,537 km (0.094 R)
• M4: 1,607,280 km (0.106 R)
• M5: 2,008,052 km (0.07 R)
• M6: 2,443,532 km (0.083 R)
• M7: 3,015,893 km (0.115 R)
• M8: 4,029,269 km (0.115 R)
• M9: 5,735,732 km (0.109 R)
• M10: 6,815,230 km (0.101 R)
• M11: 7,630,539 km (0.119 R)
• M12: 8,817,149 km (0.111 R)
• M13: 10,956,847 km (0.118 R)
• M14: 12,513,563 km (0.114 R)
• M15: 13,165,510 km (0.083 R)
• M16: 15,541,723 km (0.108 R)
• M17: 17,194,779 km (0.047 R)
• M18: 20,917,223 km (0.116 R)
• M19: 21,550,321 km (0.088 R)
• M20: 22,123,879 km (0.111 R)
• M21: 27,333,775 km (0.058 R)
• M22: 28,431,674 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 11.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.59 AU - 4.23 AU

Year: 4199 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,614,963 km

• M1: 150,645 km (0.119 R)
• M2: 631,752 km (0.089 R)
• M3: 1,083,687 km (0.081 R)
• M4: 1,576,612 km (0.089 R)
• M5: 2,647,284 km (0.078 R)
• M6: 3,024,121 km (0.094 R)
• M7: 3,516,298 km (0.102 R)
• M8: 4,217,463 km (0.104 R)
• M9: 6,670,419 km (0.093 R)
• M10: 7,918,215 km (0.097 R)
• M11: 11,801,776 km (0.059 R)
• M12: 13,320,793 km (0.064 R)
• M13: 17,923,321 km (0.118 R)
• M14: 18,287,891 km (0.084 R)
• M15: 19,094,822 km (0.099 R)
• M16: 21,864,327 km (0.103 R)
• M17: 22,844,044 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.6

Radius: 6.7

Gravity: 18.95 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.4 AU - 8.32 AU

Year: 13315 Days

Day: 16.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,614,963 km

• M1: 89,011 km (0.108 R)
• M2: 440,416 km (0.116 R)
• M3: 831,166 km (0.104 R)
• M4: 1,128,118 km (0.057 R)
• M5: 1,764,656 km (0.042 R)
• M6: 2,424,533 km (0.086 R)
• M7: 3,136,469 km (0.073 R)
• M8: 3,748,923 km (0.094 R)
• M9: 5,000,010 km (0.119 R)
• M10: 5,795,870 km (0.118 R)
• M11: 6,466,368 km (0.111 R)
• M12: 7,100,065 km (0.076 R)
• M13: 7,409,583 km (0.083 R)
• M14: 10,108,478 km (0.068 R)
• M15: 10,331,229 km (0.047 R)
• M16: 11,860,269 km (0.115 R)
• M17: 13,003,197 km (0.102 R)
• M18: 13,601,588 km (0.108 R)
• M19: 14,710,108 km (0.06 R)
• M20: 17,662,871 km (0.109 R)
• M21: 19,405,686 km (0.089 R)
• M22: 24,208,975 km (0.062 R)
• M23: 27,204,074 km (0.107 R)
• M24: 31,254,735 km (0.099 R)
• M25: 43,540,909 km (0.108 R)
• M26: 45,328,753 km (0.084 R)
• M27: 47,164,768 km (0.032 R)
• M28: 47,475,632 km (0.088 R)
• M29: 56,917,651 km (0.091 R)
• M30: 62,355,684 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.4

Radius: 7.5

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.93 AU - 8.73 AU

Year: 14611 Days

Day: 17.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,614,963 km

• M1: 93,199 km (0.08 R)
• M2: 547,229 km (0.1 R)
• M3: 1,046,138 km (0.072 R)
• M4: 1,306,887 km (0.047 R)
• M5: 2,555,730 km (0.092 R)
• M6: 3,216,354 km (0.093 R)
• M7: 4,286,428 km (0.07 R)
• M8: 4,933,588 km (0.117 R)
• M9: 5,745,905 km (0.091 R)
• M10: 12,639,674 km (0.088 R)
• M11: 15,377,464 km (0.079 R)
• M12: 19,636,217 km (0.038 R)
• M13: 24,986,435 km (0.109 R)
• M14: 26,676,741 km (0.118 R)
• M15: 30,387,965 km (0.054 R)
• M16: 31,233,343 km (0.045 R)
• M17: 32,312,093 km (0.107 R)
• M18: 36,756,646 km (0.112 R)
• M19: 37,474,715 km (0.107 R)
• M20: 39,310,880 km (0.104 R)
• M21: 41,851,201 km (0.107 R)
• M22: 42,372,101 km (0.074 R)
• M23: 45,177,959 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.1

Radius: 3.6

Gravity: 23.77 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.44 AU - 9.64 AU

Year: 19650 Days

Day: 23.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,614,963 km

• M1: 46,525 km (0.089 R)
• M2: 223,948 km (0.093 R)
• M3: 353,350 km (0.098 R)
• M4: 860,637 km (0.04 R)
• M5: 1,128,267 km (0.084 R)
• M6: 1,434,344 km (0.093 R)
• M7: 2,021,067 km (0.043 R)
• M8: 6,572,134 km (0.041 R)
• M9: 7,954,268 km (0.119 R)
• M10: 8,327,814 km (0.085 R)
• M11: 8,860,532 km (0.043 R)
• M12: 10,483,520 km (0.102 R)
• M13: 10,932,463 km (0.091 R)
• M14: 11,219,392 km (0.11 R)
• M15: 13,047,926 km (0.094 R)
• M16: 13,831,819 km (0.059 R)
• M17: 17,908,212 km (0.1 R)
• M18: 19,204,926 km (0.081 R)
• M19: 23,468,316 km (0.067 R)
• M20: 29,853,601 km (0.09 R)
• M21: 33,081,774 km (0.113 R)
• M22: 34,166,807 km (0.11 R)
• M23: 36,154,065 km (0.115 R)
• M24: 52,587,541 km (0.067 R)
• M25: 52,750,154 km (0.088 R)
• M26: 54,728,586 km (0.039 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: 341 - 17,096 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit