🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 8.6

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.57 AU - 0.75 AU

Year: 364 Days

Day: 6.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,522,722 km

• M1: 107,411 km (0.111 R)
• M2: 382,971 km (0.076 R)
• M3: 653,743 km (0.107 R)
• M4: 950,395 km (0.117 R)
• M5: 1,291,927 km (0.117 R)
• M6: 1,571,077 km (0.114 R)
• M7: 1,936,694 km (0.028 R)
• M8: 2,466,719 km (0.073 R)
• M9: 2,922,544 km (0.117 R)
• M10: 3,526,321 km (0.111 R)
• M11: 4,015,955 km (0.115 R)
• M12: 5,176,386 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.2

Radius: 14.3

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.63 AU - 1.03 AU

Year: 513 Days

Day: 8.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,522,722 km

• M1: 180,265 km (0.109 R)
• M2: 629,508 km (0.079 R)
• M3: 1,297,014 km (0.057 R)
• M4: 1,757,326 km (0.092 R)
• M5: 2,283,761 km (0.09 R)
• M6: 2,778,332 km (0.077 R)
• M7: 3,675,769 km (0.115 R)
• M8: 4,419,121 km (0.09 R)
• M9: 5,116,247 km (0.103 R)
• M10: 5,868,425 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 8.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.84 AU - 0.92 AU

Year: 560 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,522,722 km

• M1: 111,600 km (0.074 R)
• M2: 482,004 km (0.099 R)
• M3: 951,293 km (0.089 R)
• M4: 1,399,189 km (0.053 R)
• M5: 1,922,632 km (0.091 R)
• M6: 2,655,362 km (0.027 R)
• M7: 3,895,080 km (0.051 R)
• M8: 4,405,807 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.7

Radius: 9

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.01 AU - 1.31 AU

Year: 847 Days

Day: 13 Hours

Environment

Temp: -175 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,522,722 km

• M1: 111,899 km (0.102 R)
• M2: 443,408 km (0.12 R)
• M3: 877,691 km (0.079 R)
• M4: 1,283,251 km (0.11 R)
• M5: 2,247,110 km (0.112 R)
• M6: 2,978,344 km (0.087 R)
• M7: 3,273,351 km (0.094 R)
• M8: 4,211,778 km (0.081 R)
• M9: 4,690,342 km (0.087 R)
• M10: 5,054,014 km (0.088 R)
• M11: 5,574,765 km (0.089 R)
• M12: 5,858,701 km (0.063 R)
• M13: 8,023,383 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.5

Radius: 9.2

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.59 AU - 4.17 AU

Year: 4215 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,522,722 km

• M1: 115,041 km (0.084 R)
• M2: 493,224 km (0.095 R)
• M3: 1,778,868 km (0.074 R)
• M4: 2,823,809 km (0.108 R)
• M5: 3,283,972 km (0.086 R)
• M6: 5,614,707 km (0.1 R)
• M7: 6,032,983 km (0.082 R)
• M8: 9,694,690 km (0.065 R)
• M9: 10,925,731 km (0.093 R)
• M10: 12,356,934 km (0.115 R)
• M11: 17,147,806 km (0.093 R)
• M12: 17,585,080 km (0.109 R)
• M13: 18,029,685 km (0.112 R)
• M14: 22,748,301 km (0.05 R)
• M15: 23,428,822 km (0.106 R)
• M16: 24,357,226 km (0.107 R)
• M17: 27,799,922 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 12.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.64 AU - 3.96 AU

Year: 5024 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,522,722 km

• M1: 154,535 km (0.025 R)
• M2: 577,597 km (0.085 R)
• M3: 1,161,029 km (0.051 R)
• M4: 2,095,268 km (0.104 R)
• M5: 2,579,815 km (0.094 R)
• M6: 4,094,344 km (0.086 R)
• M7: 4,678,374 km (0.079 R)
• M8: 5,658,539 km (0.088 R)
• M9: 6,290,740 km (0.089 R)
• M10: 6,869,684 km (0.102 R)
• M11: 7,309,651 km (0.109 R)
• M12: 7,877,076 km (0.078 R)
• M13: 8,666,354 km (0.12 R)
• M14: 10,315,072 km (0.072 R)
• M15: 10,713,152 km (0.112 R)
• M16: 12,115,184 km (0.112 R)
• M17: 14,170,210 km (0.036 R)
• M18: 14,885,587 km (0.082 R)
• M19: 17,926,762 km (0.086 R)
• M20: 18,894,809 km (0.109 R)
• M21: 21,718,768 km (0.07 R)
• M22: 22,300,854 km (0.096 R)
• M23: 24,187,433 km (0.081 R)
• M24: 24,577,135 km (0.064 R)
• M25: 26,178,131 km (0.082 R)
• M26: 28,621,663 km (0.053 R)
• M27: 29,409,894 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.2

Radius: 9.2

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.97 AU - 3.99 AU

Year: 5385 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,522,722 km

• M1: 114,442 km (0.062 R)
• M2: 490,980 km (0.109 R)
• M3: 1,009,786 km (0.082 R)
• M4: 1,709,455 km (0.108 R)
• M5: 2,564,556 km (0.09 R)
• M6: 2,936,905 km (0.108 R)
• M7: 3,573,744 km (0.074 R)
• M8: 4,421,814 km (0.107 R)
• M9: 5,121,034 km (0.107 R)
• M10: 6,544,009 km (0.101 R)
• M11: 9,188,002 km (0.077 R)
• M12: 9,850,571 km (0.116 R)
• M13: 10,324,347 km (0.081 R)
• M14: 11,271,152 km (0.081 R)
• M15: 12,672,286 km (0.055 R)
• M16: 13,129,756 km (0.064 R)
• M17: 13,703,913 km (0.062 R)
• M18: 15,070,938 km (0.066 R)
• M19: 18,850,229 km (0.047 R)
• M20: 21,959,322 km (0.066 R)
• M21: 22,545,745 km (0.11 R)
• M22: 23,596,970 km (0.109 R)
• M23: 25,555,056 km (0.109 R)
• M24: 28,561,525 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 10.5

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.43 AU - 4.85 AU

Year: 6779 Days

Day: 8.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,522,722 km

• M1: 132,693 km (0.117 R)
• M2: 565,480 km (0.099 R)
• M3: 959,970 km (0.106 R)
• M4: 1,617,452 km (0.065 R)
• M5: 2,261,920 km (0.111 R)
• M6: 2,871,082 km (0.104 R)
• M7: 3,474,261 km (0.117 R)
• M8: 4,548,822 km (0.098 R)
• M9: 4,962,012 km (0.119 R)
• M10: 7,454,163 km (0.064 R)
• M11: 8,148,746 km (0.106 R)
• M12: 9,141,327 km (0.102 R)
• M13: 9,982,816 km (0.092 R)
• M14: 12,129,096 km (0.117 R)
• M15: 14,390,717 km (0.071 R)
• M16: 15,651,827 km (0.053 R)
• M17: 18,255,428 km (0.102 R)
• M18: 20,984,243 km (0.067 R)
• M19: 21,899,632 km (0.098 R)
• M20: 22,445,814 km (0.117 R)
• M21: 24,056,385 km (0.115 R)
• M22: 25,915,587 km (0.117 R)
• M23: 26,703,070 km (0.107 R)
• M24: 29,443,554 km (0.115 R)
• M25: 30,013,372 km (0.105 R)
• M26: 30,881,788 km (0.114 R)
• M27: 32,065,556 km (0.099 R)
• M28: 33,075,042 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.5

Radius: 4

Gravity: 37.84 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.89 AU - 8.03 AU

Year: 12454 Days

Day: 18.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 38,522,722 km

• M1: 50,115 km (0.052 R)
• M2: 218,712 km (0.095 R)
• M3: 501,452 km (0.097 R)
• M4: 639,680 km (0.096 R)
• M5: 851,361 km (0.111 R)
• M6: 1,006,494 km (0.038 R)
• M7: 1,712,596 km (0.06 R)
• M8: 3,062,119 km (0.089 R)
• M9: 3,454,514 km (0.077 R)
• M10: 4,368,557 km (0.098 R)
• M11: 5,261,806 km (0.098 R)
• M12: 6,156,551 km (0.105 R)
• M13: 6,779,776 km (0.09 R)
• M14: 7,106,647 km (0.073 R)
• M15: 7,232,010 km (0.112 R)
• M16: 7,703,991 km (0.11 R)
• M17: 8,804,583 km (0.094 R)
• M18: 9,342,387 km (0.11 R)
• M19: 10,058,213 km (0.081 R)
• M20: 16,121,863 km (0.096 R)
• M21: 19,495,445 km (0.092 R)
• M22: 20,830,307 km (0.082 R)
• M23: 21,607,318 km (0.084 R)
• M24: 27,492,498 km (0.117 R)
• M25: 28,009,060 km (0.107 R)
• M26: 32,375,971 km (0.065 R)
• M27: 33,067,861 km (0.085 R)
• M28: 33,417,472 km (0.11 R)
• M29: 33,769,475 km (0.099 R)
• M30: 35,323,797 km (0.071 R)
• M31: 36,303,514 km (0.076 R)
• M32: 38,189,195 km (0.091 R)
• M33: 38,317,251 km (0.097 R)
• M34: 44,377,311 km (0.108 R)
• M35: 46,531,071 km (0.045 R)
• M36: 52,613,122 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98.3

Radius: 6.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.29 AU - 11.17 AU

Year: 19019 Days

Day: 24.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,522,722 km

• M1: 77,193 km (0.098 R)
• M2: 283,189 km (0.053 R)
• M3: 707,149 km (0.083 R)
• M4: 948,451 km (0.11 R)
• M5: 1,409,062 km (0.049 R)
• M6: 2,237,087 km (0.059 R)
• M7: 2,556,179 km (0.073 R)
• M8: 4,145,507 km (0.044 R)
• M9: 4,655,785 km (0.045 R)
• M10: 5,545,443 km (0.085 R)
• M11: 8,298,643 km (0.115 R)
• M12: 10,683,981 km (0.096 R)
• M13: 12,326,266 km (0.118 R)
• M14: 13,491,334 km (0.104 R)
• M15: 14,012,384 km (0.036 R)
• M16: 16,688,690 km (0.085 R)
• M17: 19,104,396 km (0.08 R)
• M18: 23,604,300 km (0.108 R)
• M19: 24,787,470 km (0.09 R)
• M20: 25,393,640 km (0.054 R)
• M21: 28,953,172 km (0.107 R)
• M22: 33,352,696 km (0.065 R)
• M23: 37,834,797 km (0.045 R)
• M24: 38,407,458 km (0.091 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 10,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit