🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.9

Radius: 10.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.66 AU - 0.94 AU

Year: 485 Days

Day: 9.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,797,233 km

• M1: 130,898 km (0.101 R)
• M2: 548,725 km (0.076 R)
• M3: 912,397 km (0.064 R)
• M4: 1,252,134 km (0.083 R)
• M5: 1,590,525 km (0.107 R)
• M6: 2,154,359 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.8

Radius: 11.3

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.75 AU - 1.21 AU

Year: 658 Days

Day: 8.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,797,233 km

• M1: 140,622 km (0.101 R)
• M2: 559,197 km (0.059 R)
• M3: 984,803 km (0.059 R)
• M4: 1,400,685 km (0.085 R)
• M5: 2,101,401 km (0.047 R)
• M6: 2,474,498 km (0.104 R)
• M7: 3,238,794 km (0.089 R)
• M8: 4,393,689 km (0.103 R)
• M9: 4,885,717 km (0.115 R)
• M10: 5,910,013 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.3

Radius: 13.3

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.35 AU - 1.53 AU

Year: 1172 Days

Day: 6.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,797,233 km

• M1: 167,550 km (0.115 R)
• M2: 622,776 km (0.052 R)
• M3: 3,317,183 km (0.092 R)
• M4: 5,072,116 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 9.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.87 AU - 2.93 AU

Year: 3350 Days

Day: 5.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 74.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,797,233 km

• M1: 119,828 km (0.084 R)
• M2: 575,353 km (0.112 R)
• M3: 934,687 km (0.117 R)
• M4: 1,254,229 km (0.074 R)
• M5: 2,878,712 km (0.095 R)
• M6: 3,188,379 km (0.103 R)
• M7: 3,677,564 km (0.094 R)
• M8: 4,119,477 km (0.065 R)
• M9: 4,433,632 km (0.096 R)
• M10: 4,784,888 km (0.035 R)
• M11: 6,432,409 km (0.102 R)
• M12: 6,748,958 km (0.083 R)
• M13: 7,271,354 km (0.105 R)
• M14: 7,644,152 km (0.096 R)
• M15: 8,029,666 km (0.103 R)
• M16: 10,120,745 km (0.067 R)
• M17: 11,329,944 km (0.094 R)
• M18: 11,831,845 km (0.117 R)
• M19: 12,756,061 km (0.075 R)
• M20: 13,088,617 km (0.043 R)
• M21: 13,771,082 km (0.087 R)
• M22: 14,702,628 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.7

Radius: 10.6

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.78 AU - 4.58 AU

Year: 5796 Days

Day: 10.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,797,233 km

• M1: 132,245 km (0.072 R)
• M2: 525,537 km (0.071 R)
• M3: 1,092,962 km (0.04 R)
• M4: 3,058,977 km (0.057 R)
• M5: 4,160,766 km (0.099 R)
• M6: 5,628,470 km (0.109 R)
• M7: 8,717,966 km (0.075 R)
• M8: 10,576,719 km (0.07 R)
• M9: 14,484,814 km (0.081 R)
• M10: 15,238,039 km (0.095 R)
• M11: 18,447,213 km (0.11 R)
• M12: 23,707,822 km (0.095 R)
• M13: 24,509,666 km (0.061 R)
• M14: 26,593,415 km (0.098 R)
• M15: 28,612,238 km (0.112 R)
• M16: 29,890,103 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.1

Radius: 4.6

Gravity: 29.83 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.62 AU - 6.72 AU

Year: 10395 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,797,233 km

• M1: 58,044 km (0.089 R)
• M2: 271,969 km (0.082 R)
• M3: 457,171 km (0.086 R)
• M4: 1,426,864 km (0.119 R)
• M5: 2,159,894 km (0.105 R)
• M6: 2,324,901 km (0.042 R)
• M7: 2,518,031 km (0.095 R)
• M8: 3,209,323 km (0.032 R)
• M9: 3,701,051 km (0.077 R)
• M10: 4,046,622 km (0.102 R)
• M11: 4,269,673 km (0.118 R)
• M12: 5,115,948 km (0.093 R)
• M13: 5,820,105 km (0.083 R)
• M14: 6,213,697 km (0.098 R)
• M15: 11,784,123 km (0.098 R)
• M16: 12,765,785 km (0.099 R)
• M17: 14,115,307 km (0.109 R)
• M18: 16,174,372 km (0.112 R)
• M19: 18,274,128 km (0.082 R)
• M20: 18,425,371 km (0.12 R)
• M21: 19,038,423 km (0.087 R)
• M22: 19,903,548 km (0.097 R)
• M23: 22,481,867 km (0.042 R)
• M24: 23,270,098 km (0.105 R)
• M25: 27,588,839 km (0.086 R)
• M26: 28,593,539 km (0.081 R)
• M27: 29,207,937 km (0.105 R)
• M28: 32,191,966 km (0.094 R)
• M29: 38,757,218 km (0.074 R)
• M30: 40,655,914 km (0.11 R)
• M31: 41,693,525 km (0.062 R)
• M32: 44,637,910 km (0.098 R)
• M33: 45,464,289 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.1

Radius: 3

Gravity: 73.46 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.56 AU - 7.62 AU

Year: 11474 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,797,233 km

• M1: 37,399 km (0.083 R)
• M2: 156,629 km (0.089 R)
• M3: 458,667 km (0.103 R)
• M4: 567,425 km (0.087 R)
• M5: 727,943 km (0.092 R)
• M6: 970,292 km (0.107 R)
• M7: 1,069,774 km (0.086 R)
• M8: 1,176,138 km (0.059 R)
• M9: 1,424,022 km (0.034 R)
• M10: 1,567,935 km (0.108 R)
• M11: 1,769,294 km (0.063 R)
• M12: 2,149,123 km (0.112 R)
• M13: 2,601,806 km (0.107 R)
• M14: 3,407,690 km (0.109 R)
• M15: 3,691,926 km (0.055 R)
• M16: 4,702,011 km (0.109 R)
• M17: 4,796,407 km (0.096 R)
• M18: 4,924,164 km (0.101 R)
• M19: 5,389,263 km (0.089 R)
• M20: 5,774,777 km (0.117 R)
• M21: 8,715,871 km (0.053 R)
• M22: 11,131,578 km (0.09 R)
• M23: 11,582,765 km (0.111 R)
• M24: 13,195,729 km (0.083 R)
• M25: 13,320,793 km (0.102 R)
• M26: 14,153,455 km (0.056 R)
• M27: 15,156,658 km (0.048 R)
• M28: 15,851,241 km (0.103 R)
• M29: 17,604,079 km (0.09 R)
• M30: 18,293,426 km (0.085 R)
• M31: 18,527,098 km (0.096 R)
• M32: 19,320,565 km (0.096 R)
• M33: 23,081,755 km (0.098 R)
• M34: 23,906,937 km (0.057 R)
• M35: 25,325,424 km (0.085 R)
• M36: 29,701,161 km (0.113 R)
• M37: 34,554,565 km (0.1 R)
• M38: 35,271,139 km (0.071 R)
• M39: 38,363,776 km (0.053 R)
• M40: 49,465,882 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.9

Radius: 6.7

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.47 AU - 12.93 AU

Year: 23739 Days

Day: 19 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,797,233 km

• M1: 88,412 km (0.054 R)
• M2: 397,930 km (0.096 R)
• M3: 740,809 km (0.107 R)
• M4: 2,131,022 km (0.065 R)
• M5: 2,436,650 km (0.045 R)
• M6: 6,878,061 km (0.101 R)
• M7: 10,054,024 km (0.112 R)
• M8: 12,229,476 km (0.108 R)
• M9: 14,091,371 km (0.095 R)
• M10: 14,933,159 km (0.058 R)
• M11: 17,485,448 km (0.03 R)
• M12: 30,480,117 km (0.094 R)
• M13: 36,215,849 km (0.093 R)
• M14: 52,609,083 km (0.082 R)
• M15: 55,748,694 km (0.049 R)
• M16: 56,505,210 km (0.029 R)
• M17: 63,830,120 km (0.056 R)
• M18: 66,123,904 km (0.091 R)
• M19: 76,312,716 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.2

Radius: 6.6

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.68 AU - 12.78 AU

Year: 23839 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,797,233 km

• M1: 84,074 km (0.088 R)
• M2: 307,274 km (0.11 R)
• M3: 648,507 km (0.074 R)
• M4: 1,829,881 km (0.084 R)
• M5: 2,774,293 km (0.105 R)
• M6: 3,488,922 km (0.1 R)
• M7: 3,742,939 km (0.03 R)
• M8: 4,884,969 km (0.107 R)
• M9: 7,368,443 km (0.117 R)
• M10: 8,321,830 km (0.117 R)
• M11: 10,763,417 km (0.119 R)
• M12: 12,115,034 km (0.066 R)
• M13: 12,898,029 km (0.093 R)
• M14: 15,752,506 km (0.111 R)
• M15: 17,326,276 km (0.1 R)
• M16: 24,264,176 km (0.111 R)
• M17: 25,400,671 km (0.056 R)
• M18: 27,891,177 km (0.1 R)
• M19: 31,137,002 km (0.12 R)
• M20: 33,730,430 km (0.104 R)
• M21: 37,680,113 km (0.103 R)
• M22: 44,470,211 km (0.074 R)
• M23: 52,542,213 km (0.103 R)
• M24: 54,091,897 km (0.075 R)
• M25: 60,783,111 km (0.115 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: 322 - 15,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit