🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.2

Radius: 9

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.64 AU - 0.84 AU

Year: 447 Days

Day: 10.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 141.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,190,195 km

• M1: 112,198 km (0.102 R)
• M2: 394,938 km (0.037 R)
• M3: 742,903 km (0.093 R)
• M4: 1,375,552 km (0.102 R)
• M5: 1,906,326 km (0.066 R)
• M6: 2,228,410 km (0.117 R)
• M7: 2,558,872 km (0.096 R)
• M8: 3,341,568 km (0.11 R)
• M9: 3,776,748 km (0.068 R)
• M10: 4,117,681 km (0.096 R)
• M11: 4,437,970 km (0.085 R)
• M12: 5,053,715 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 12.7

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.11 AU - 1.79 AU

Year: 1227 Days

Day: 5.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,190,195 km

• M1: 158,125 km (0.118 R)
• M2: 653,294 km (0.08 R)
• M3: 1,077,404 km (0.088 R)
• M4: 2,117,857 km (0.096 R)
• M5: 2,569,343 km (0.119 R)
• M6: 3,786,920 km (0.083 R)
• M7: 4,626,165 km (0.1 R)
• M8: 5,320,149 km (0.113 R)
• M9: 6,415,953 km (0.075 R)
• M10: 8,271,117 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.9

Radius: 11.4

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.44 AU - 2.08 AU

Year: 1641 Days

Day: 10.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,190,195 km

• M1: 165,605 km (0.108 R)
• M2: 682,017 km (0.072 R)
• M3: 1,231,789 km (0.102 R)
• M4: 1,657,395 km (0.105 R)
• M5: 2,213,600 km (0.099 R)
• M6: 2,826,801 km (0.032 R)
• M7: 3,765,528 km (0.102 R)
• M8: 4,957,374 km (0.029 R)
• M9: 5,385,972 km (0.093 R)
• M10: 7,109,639 km (0.09 R)
• M11: 9,673,447 km (0.09 R)
• M12: 10,066,740 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.6

Radius: 10.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.56 AU - 2.06 AU

Year: 1712 Days

Day: 12.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,190,195 km

• M1: 126,859 km (0.118 R)
• M2: 669,600 km (0.083 R)
• M3: 1,020,856 km (0.092 R)
• M4: 1,351,318 km (0.114 R)
• M5: 1,784,852 km (0.101 R)
• M6: 2,166,925 km (0.095 R)
• M7: 3,068,701 km (0.079 R)
• M8: 3,723,192 km (0.089 R)
• M9: 4,907,409 km (0.082 R)
• M10: 5,375,351 km (0.098 R)
• M11: 6,180,786 km (0.063 R)
• M12: 6,804,010 km (0.065 R)
• M13: 8,681,912 km (0.062 R)
• M14: 10,190,457 km (0.117 R)
• M15: 10,671,714 km (0.113 R)
• M16: 12,829,364 km (0.076 R)
• M17: 13,636,444 km (0.042 R)
• M18: 14,306,194 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.8

Radius: 8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.98 AU - 6.02 AU

Year: 10331 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,190,195 km

• M1: 102,475 km (0.109 R)
• M2: 428,598 km (0.117 R)
• M3: 812,616 km (0.118 R)
• M4: 1,093,112 km (0.076 R)
• M5: 1,536,370 km (0.059 R)
• M6: 1,973,346 km (0.074 R)
• M7: 2,815,881 km (0.052 R)
• M8: 3,337,379 km (0.071 R)
• M9: 4,455,473 km (0.083 R)
• M10: 5,011,379 km (0.095 R)
• M11: 5,612,763 km (0.039 R)
• M12: 6,618,958 km (0.056 R)
• M13: 7,408,087 km (0.094 R)
• M14: 10,397,202 km (0.119 R)
• M15: 12,644,012 km (0.113 R)
• M16: 13,167,904 km (0.047 R)
• M17: 13,706,307 km (0.091 R)
• M18: 16,961,706 km (0.113 R)
• M19: 23,783,817 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 793.6

Radius: 6.1

Gravity: 21.33 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.1 AU - 7.8 AU

Year: 12879 Days

Day: 15.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,190,195 km

• M1: 97,089 km (0.049 R)
• M2: 530,923 km (0.063 R)
• M3: 919,429 km (0.086 R)
• M4: 1,121,984 km (0.067 R)
• M5: 1,764,507 km (0.092 R)
• M6: 4,147,900 km (0.086 R)
• M7: 5,320,598 km (0.11 R)
• M8: 6,907,831 km (0.093 R)
• M9: 8,158,021 km (0.102 R)
• M10: 8,541,290 km (0.068 R)
• M11: 11,568,553 km (0.086 R)
• M12: 17,031,718 km (0.095 R)
• M13: 17,816,508 km (0.117 R)
• M14: 18,625,234 km (0.115 R)
• M15: 20,055,839 km (0.077 R)
• M16: 20,315,690 km (0.037 R)
• M17: 20,753,713 km (0.105 R)
• M18: 22,850,476 km (0.118 R)
• M19: 25,184,652 km (0.075 R)
• M20: 27,036,225 km (0.078 R)
• M21: 29,643,566 km (0.111 R)
• M22: 31,822,908 km (0.114 R)
• M23: 35,604,443 km (0.114 R)
• M24: 38,729,842 km (0.081 R)
• M25: 39,267,945 km (0.112 R)
• M26: 39,810,985 km (0.051 R)
• M27: 41,330,301 km (0.103 R)
• M28: 43,753,637 km (0.106 R)
• M29: 48,413,611 km (0.06 R)
• M30: 50,462,354 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.2

Radius: 7.9

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.85 AU - 9.01 AU

Year: 14236 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,190,195 km

• M1: 98,435 km (0.087 R)
• M2: 543,190 km (0.051 R)
• M3: 984,354 km (0.048 R)
• M4: 1,383,032 km (0.109 R)
• M5: 2,583,406 km (0.098 R)
• M6: 3,536,643 km (0.055 R)
• M7: 4,309,615 km (0.061 R)
• M8: 4,736,119 km (0.041 R)
• M9: 7,343,759 km (0.118 R)
• M10: 8,036,547 km (0.095 R)
• M11: 8,861,579 km (0.095 R)
• M12: 10,628,630 km (0.101 R)
• M13: 10,935,754 km (0.102 R)
• M14: 12,113,239 km (0.073 R)
• M15: 12,847,465 km (0.11 R)
• M16: 14,095,710 km (0.086 R)
• M17: 18,617,904 km (0.099 R)
• M18: 20,213,066 km (0.061 R)
• M19: 20,527,072 km (0.119 R)
• M20: 21,003,990 km (0.034 R)
• M21: 26,373,656 km (0.076 R)
• M22: 28,381,708 km (0.066 R)
• M23: 31,739,881 km (0.12 R)
• M24: 34,120,133 km (0.118 R)
• M25: 35,467,411 km (0.105 R)
• M26: 36,500,833 km (0.105 R)
• M27: 37,083,517 km (0.111 R)
• M28: 38,989,992 km (0.082 R)
• M29: 41,590,302 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698

Radius: 7.6

Gravity: 12.08 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.36 AU - 9.4 AU

Year: 18601 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,190,195 km

• M1: 95,144 km (0.115 R)
• M2: 602,131 km (0.088 R)
• M3: 913,445 km (0.088 R)
• M4: 1,288,486 km (0.069 R)
• M5: 1,745,807 km (0.09 R)
• M6: 2,141,494 km (0.105 R)
• M7: 4,898,732 km (0.039 R)
• M8: 5,531,082 km (0.112 R)
• M9: 9,533,573 km (0.092 R)
• M10: 10,162,632 km (0.082 R)
• M11: 10,941,439 km (0.113 R)
• M12: 11,567,057 km (0.095 R)
• M13: 13,027,132 km (0.109 R)
• M14: 13,305,235 km (0.078 R)
• M15: 13,587,376 km (0.061 R)
• M16: 16,550,760 km (0.07 R)
• M17: 19,283,465 km (0.056 R)
• M18: 23,925,038 km (0.052 R)
• M19: 24,871,244 km (0.083 R)
• M20: 32,585,109 km (0.081 R)
• M21: 34,404,219 km (0.033 R)
• M22: 37,118,672 km (0.094 R)
• M23: 37,397,822 km (0.084 R)
• M24: 40,560,770 km (0.107 R)
• M25: 44,996,496 km (0.055 R)
• M26: 51,804,247 km (0.095 R)
• M27: 53,208,073 km (0.101 R)
• M28: 54,817,447 km (0.108 R)
• M29: 58,887,556 km (0.116 R)
• M30: 65,975,055 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.2

Radius: 3

Gravity: 68.47 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.56 AU - 9.76 AU

Year: 19487 Days

Day: 17.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,190,195 km

• M1: 37,699 km (0.103 R)
• M2: 149,897 km (0.118 R)
• M3: 243,845 km (0.104 R)
• M4: 696,079 km (0.12 R)
• M5: 805,585 km (0.101 R)
• M6: 1,570,778 km (0.117 R)
• M7: 2,401,644 km (0.085 R)
• M8: 2,653,866 km (0.093 R)
• M9: 2,798,827 km (0.059 R)
• M10: 3,842,272 km (0.083 R)
• M11: 5,498,320 km (0.116 R)
• M12: 7,385,946 km (0.113 R)
• M13: 9,664,920 km (0.074 R)
• M14: 10,124,185 km (0.056 R)
• M15: 13,189,595 km (0.076 R)
• M16: 13,897,941 km (0.113 R)
• M17: 16,174,223 km (0.088 R)
• M18: 17,993,183 km (0.066 R)
• M19: 18,164,921 km (0.111 R)
• M20: 20,875,336 km (0.119 R)
• M21: 26,080,444 km (0.075 R)
• M22: 28,686,738 km (0.082 R)
• M23: 45,770,665 km (0.086 R)
• M24: 53,695,762 km (0.056 R)
• M25: 56,957,893 km (0.074 R)
• M26: 66,707,336 km (0.111 R)
• M27: 67,532,069 km (0.106 R)
• M28: 67,739,412 km (0.029 R)
• M29: 68,781,959 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 15,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit