🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.67 AU - 0.67 AU

Year: 354 Days

Day: 17.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,667,748 km

• M1: 29,620 km (0.091 R)
• M2: 148,999 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 13.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.68 AU - 1.1 AU

Year: 542 Days

Day: 5.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,667,748 km

• M1: 167,998 km (0.104 R)
• M2: 668,553 km (0.116 R)
• M3: 1,247,945 km (0.116 R)
• M4: 1,703,770 km (0.115 R)
• M5: 2,555,580 km (0.068 R)
• M6: 3,097,723 km (0.12 R)
• M7: 3,813,250 km (0.113 R)
• M8: 4,509,927 km (0.105 R)
• M9: 5,612,015 km (0.109 R)
• M10: 6,535,781 km (0.064 R)
• M11: 7,249,662 km (0.087 R)
• M12: 7,670,930 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.9

Radius: 12.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.85 AU - 1.31 AU

Year: 725 Days

Day: 12.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,667,748 km

• M1: 160,369 km (0.08 R)
• M2: 733,329 km (0.109 R)
• M3: 1,756,578 km (0.093 R)
• M4: 2,517,583 km (0.115 R)
• M5: 3,259,139 km (0.079 R)
• M6: 4,083,124 km (0.091 R)
• M7: 5,177,732 km (0.086 R)
• M8: 6,339,958 km (0.118 R)
• M9: 7,512,805 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 11.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.21 AU - 1.85 AU

Year: 1222 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,667,748 km

• M1: 139,724 km (0.065 R)
• M2: 595,848 km (0.098 R)
• M3: 1,115,402 km (0.062 R)
• M4: 1,580,502 km (0.106 R)
• M5: 2,068,789 km (0.105 R)
• M6: 2,607,790 km (0.117 R)
• M7: 3,058,229 km (0.098 R)
• M8: 3,441,050 km (0.117 R)
• M9: 3,823,871 km (0.098 R)
• M10: 4,286,727 km (0.107 R)
• M11: 4,974,728 km (0.055 R)
• M12: 5,630,565 km (0.101 R)
• M13: 6,298,220 km (0.108 R)
• M14: 6,733,101 km (0.041 R)
• M15: 7,311,147 km (0.104 R)
• M16: 7,766,074 km (0.087 R)
• M17: 8,593,949 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.4

Radius: 10.4

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.42 AU - 2.12 AU

Year: 1520 Days

Day: 12.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,667,748 km

• M1: 129,402 km (0.112 R)
• M2: 514,018 km (0.103 R)
• M3: 930,050 km (0.072 R)
• M4: 1,262,456 km (0.102 R)
• M5: 1,849,927 km (0.102 R)
• M6: 2,418,399 km (0.031 R)
• M7: 3,635,677 km (0.103 R)
• M8: 4,500,353 km (0.103 R)
• M9: 5,022,449 km (0.081 R)
• M10: 5,392,704 km (0.038 R)
• M11: 5,835,514 km (0.118 R)
• M12: 6,418,197 km (0.065 R)
• M13: 6,774,091 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.6

Radius: 13.7

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.09 AU - 4.73 AU

Year: 4992 Days

Day: 12.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,667,748 km

• M1: 170,392 km (0.096 R)
• M2: 673,190 km (0.081 R)
• M3: 1,174,044 km (0.116 R)
• M4: 1,727,257 km (0.088 R)
• M5: 2,195,798 km (0.114 R)
• M6: 2,678,101 km (0.105 R)
• M7: 3,170,727 km (0.069 R)
• M8: 3,634,779 km (0.118 R)
• M9: 4,971,287 km (0.06 R)
• M10: 5,721,969 km (0.098 R)
• M11: 6,513,940 km (0.102 R)
• M12: 7,270,307 km (0.025 R)
• M13: 8,553,857 km (0.075 R)
• M14: 12,316,243 km (0.101 R)
• M15: 13,857,101 km (0.116 R)
• M16: 18,035,370 km (0.042 R)
• M17: 19,666,734 km (0.107 R)
• M18: 21,542,841 km (0.065 R)
• M19: 21,992,233 km (0.107 R)
• M20: 22,524,503 km (0.116 R)
• M21: 23,065,299 km (0.075 R)
• M22: 23,614,772 km (0.085 R)
• M23: 25,150,244 km (0.078 R)
• M24: 26,408,811 km (0.113 R)
• M25: 27,533,189 km (0.101 R)
• M26: 28,779,489 km (0.115 R)
• M27: 29,692,485 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.8

Radius: 4.4

Gravity: 14.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.37 AU - 7.61 AU

Year: 10675 Days

Day: 21.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,667,748 km

• M1: 56,099 km (0.095 R)
• M2: 214,224 km (0.12 R)
• M3: 485,445 km (0.114 R)
• M4: 644,019 km (0.035 R)
• M5: 990,488 km (0.099 R)
• M6: 1,227,750 km (0.069 R)
• M7: 1,390,213 km (0.106 R)
• M8: 2,075,521 km (0.057 R)
• M9: 2,359,009 km (0.06 R)
• M10: 3,662,605 km (0.116 R)
• M11: 4,548,374 km (0.115 R)
• M12: 5,292,773 km (0.089 R)
• M13: 5,693,994 km (0.029 R)
• M14: 6,016,078 km (0.051 R)
• M15: 6,384,388 km (0.112 R)
• M16: 7,351,987 km (0.046 R)
• M17: 7,656,569 km (0.116 R)
• M18: 8,009,171 km (0.118 R)
• M19: 8,209,782 km (0.055 R)
• M20: 9,175,585 km (0.036 R)
• M21: 9,484,056 km (0.114 R)
• M22: 11,031,796 km (0.05 R)
• M23: 11,380,508 km (0.07 R)
• M24: 12,903,864 km (0.112 R)
• M25: 14,380,694 km (0.08 R)
• M26: 16,671,336 km (0.119 R)
• M27: 18,005,450 km (0.106 R)
• M28: 20,884,012 km (0.102 R)
• M29: 21,264,141 km (0.07 R)
• M30: 22,116,549 km (0.098 R)
• M31: 22,352,914 km (0.093 R)
• M32: 22,590,924 km (0.086 R)
• M33: 25,754,470 km (0.049 R)
• M34: 30,156,537 km (0.031 R)
• M35: 30,837,656 km (0.091 R)
• M36: 31,034,228 km (0.076 R)
• M37: 34,821,597 km (0.056 R)
• M38: 36,004,168 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.9

Radius: 5.8

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.79 AU - 8.87 AU

Year: 12814 Days

Day: 15.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 71.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,667,748 km

• M1: 72,405 km (0.076 R)
• M2: 259,104 km (0.12 R)
• M3: 467,045 km (0.068 R)
• M4: 707,000 km (0.074 R)
• M5: 1,137,542 km (0.041 R)
• M6: 1,391,709 km (0.042 R)
• M7: 1,581,848 km (0.058 R)
• M8: 2,296,776 km (0.067 R)
• M9: 2,584,154 km (0.084 R)
• M10: 3,926,944 km (0.105 R)
• M11: 5,088,123 km (0.116 R)
• M12: 5,510,438 km (0.1 R)
• M13: 7,768,019 km (0.107 R)
• M14: 8,594,996 km (0.115 R)
• M15: 9,193,687 km (0.11 R)
• M16: 9,770,536 km (0.102 R)
• M17: 10,118,202 km (0.104 R)
• M18: 11,646,344 km (0.048 R)
• M19: 14,312,477 km (0.12 R)
• M20: 15,218,442 km (0.113 R)
• M21: 19,072,083 km (0.102 R)
• M22: 20,088,301 km (0.056 R)
• M23: 20,650,191 km (0.107 R)
• M24: 21,140,124 km (0.069 R)
• M25: 25,903,918 km (0.095 R)
• M26: 32,201,091 km (0.103 R)
• M27: 32,639,114 km (0.074 R)
• M28: 34,090,512 km (0.101 R)
• M29: 38,088,815 km (0.09 R)
• M30: 40,074,128 km (0.115 R)
• M31: 41,349,300 km (0.047 R)
• M32: 45,611,493 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.9

Radius: 4.1

Gravity: 47.47 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.14 AU - 10.96 AU

Year: 19055 Days

Day: 16.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 75,667,748 km

• M1: 53,556 km (0.093 R)
• M2: 184,903 km (0.091 R)
• M3: 445,203 km (0.08 R)
• M4: 616,642 km (0.11 R)
• M5: 799,601 km (0.069 R)
• M6: 1,108,520 km (0.102 R)
• M7: 1,751,492 km (0.107 R)
• M8: 2,589,390 km (0.074 R)
• M9: 3,204,536 km (0.059 R)
• M10: 3,429,681 km (0.097 R)
• M11: 4,861,632 km (0.086 R)
• M12: 5,273,774 km (0.109 R)
• M13: 5,468,550 km (0.114 R)
• M14: 6,923,539 km (0.116 R)
• M15: 7,157,361 km (0.118 R)
• M16: 8,300,887 km (0.106 R)
• M17: 10,880,702 km (0.088 R)
• M18: 11,847,104 km (0.07 R)
• M19: 18,513,484 km (0.034 R)
• M20: 21,522,197 km (0.092 R)
• M21: 24,841,325 km (0.104 R)
• M22: 33,922,813 km (0.12 R)
• M23: 34,461,216 km (0.072 R)
• M24: 41,679,014 km (0.101 R)
• M25: 49,496,101 km (0.101 R)
• M26: 50,537,003 km (0.115 R)
• M27: 52,662,490 km (0.106 R)
• M28: 54,478,608 km (0.114 R)
• M29: 55,216,574 km (0.096 R)
• M30: 56,336,015 km (0.095 R)
• M31: 59,394,992 km (0.104 R)
• M32: 60,767,403 km (0.098 R)
• M33: 61,960,596 km (0.05 R)
• M34: 62,160,907 km (0.086 R)
• M35: 63,169,197 km (0.094 R)
• M36: 68,802,753 km (0.063 R)
• M37: 70,971,474 km (0.039 R)
• M38: 72,961,873 km (0.083 R)
• M39: 73,858,264 km (0.071 R)
• M40: 76,822,396 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633

Radius: 5

Gravity: 25.32 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.86 AU - 12.28 AU

Year: 20633 Days

Day: 18.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 75,667,748 km

• M1: 62,382 km (0.026 R)
• M2: 236,065 km (0.106 R)
• M3: 427,102 km (0.11 R)
• M4: 667,057 km (0.1 R)
• M5: 1,018,612 km (0.067 R)
• M6: 1,301,202 km (0.074 R)
• M7: 2,103,496 km (0.058 R)
• M8: 3,086,503 km (0.107 R)
• M9: 3,502,236 km (0.09 R)
• M10: 5,907,171 km (0.11 R)
• M11: 6,328,439 km (0.101 R)
• M12: 6,635,264 km (0.102 R)
• M13: 6,951,813 km (0.074 R)
• M14: 7,183,989 km (0.113 R)
• M15: 7,812,001 km (0.081 R)
• M16: 8,164,902 km (0.079 R)
• M17: 9,287,933 km (0.095 R)
• M18: 9,741,514 km (0.059 R)
• M19: 10,940,092 km (0.074 R)
• M20: 11,510,359 km (0.119 R)
• M21: 12,641,020 km (0.118 R)
• M22: 14,890,224 km (0.068 R)
• M23: 15,748,467 km (0.101 R)
• M24: 17,734,528 km (0.083 R)
• M25: 17,907,314 km (0.079 R)
• M26: 18,168,362 km (0.119 R)
• M27: 18,698,387 km (0.106 R)
• M28: 18,967,065 km (0.116 R)
• M29: 24,791,509 km (0.09 R)
• M30: 26,217,775 km (0.115 R)
• M31: 38,194,431 km (0.111 R)
• M32: 45,678,812 km (0.12 R)
• M33: 47,483,711 km (0.085 R)
• M34: 52,824,654 km (0.116 R)
• M35: 56,102,343 km (0.056 R)
• M36: 60,680,038 km (0.056 R)
• M37: 61,664,093 km (0.061 R)
• M38: 63,462,110 km (0.116 R)
• M39: 70,570,103 km (0.073 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 17,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit