🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.4

Radius: 10.6

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.93 AU - 1.07 AU

Year: 678 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 89.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,484,203 km

• M1: 131,796 km (0.034 R)
• M2: 575,653 km (0.063 R)
• M3: 1,116,150 km (0.051 R)
• M4: 1,629,570 km (0.118 R)
• M5: 2,335,971 km (0.057 R)
• M6: 2,693,360 km (0.054 R)
• M7: 3,519,888 km (0.109 R)
• M8: 3,963,745 km (0.106 R)
• M9: 4,699,617 km (0.062 R)
• M10: 5,204,211 km (0.052 R)
• M11: 6,980,536 km (0.103 R)
• M12: 7,683,945 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 13.9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.89 AU - 1.29 AU

Year: 772 Days

Day: 14.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,484,203 km

• M1: 173,234 km (0.106 R)
• M2: 640,877 km (0.068 R)
• M3: 1,315,713 km (0.117 R)
• M4: 1,795,922 km (0.075 R)
• M5: 2,505,615 km (0.053 R)
• M6: 4,307,521 km (0.071 R)
• M7: 4,886,315 km (0.094 R)
• M8: 5,805,744 km (0.115 R)
• M9: 6,474,147 km (0.038 R)
• M10: 6,920,248 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.9

Radius: 11.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.45 AU - 2.17 AU

Year: 1652 Days

Day: 8.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,484,203 km

• M1: 146,157 km (0.027 R)
• M2: 698,024 km (0.109 R)
• M3: 1,091,616 km (0.046 R)
• M4: 1,836,463 km (0.092 R)
• M5: 2,448,020 km (0.049 R)
• M6: 2,923,442 km (0.029 R)
• M7: 3,476,206 km (0.056 R)
• M8: 3,865,160 km (0.092 R)
• M9: 4,454,875 km (0.042 R)
• M10: 4,873,899 km (0.118 R)
• M11: 5,407,215 km (0.095 R)
• M12: 5,861,544 km (0.077 R)
• M13: 6,540,419 km (0.099 R)
• M14: 7,298,132 km (0.099 R)
• M15: 7,740,643 km (0.055 R)
• M16: 8,230,426 km (0.103 R)
• M17: 8,833,006 km (0.064 R)
• M18: 9,272,226 km (0.096 R)
• M19: 10,854,522 km (0.112 R)
• M20: 12,144,654 km (0.091 R)
• M21: 14,246,355 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.2

Radius: 8.7

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.78 AU - 3.8 AU

Year: 4047 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,484,203 km

• M1: 108,608 km (0.093 R)
• M2: 379,679 km (0.029 R)
• M3: 917,484 km (0.035 R)
• M4: 1,381,836 km (0.106 R)
• M5: 2,238,283 km (0.118 R)
• M6: 2,576,375 km (0.089 R)
• M7: 6,790,397 km (0.087 R)
• M8: 8,028,469 km (0.099 R)
• M9: 9,866,279 km (0.092 R)
• M10: 11,321,716 km (0.092 R)
• M11: 12,056,541 km (0.118 R)
• M12: 13,335,753 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 10.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.35 AU - 3.53 AU

Year: 4327 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,484,203 km

• M1: 132,095 km (0.101 R)
• M2: 1,038,209 km (0.076 R)
• M3: 1,723,218 km (0.112 R)
• M4: 3,138,414 km (0.097 R)
• M5: 3,623,111 km (0.096 R)
• M6: 5,025,292 km (0.026 R)
• M7: 8,832,707 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.1

Radius: 9.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.37 AU - 4.15 AU

Year: 4945 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,484,203 km

• M1: 114,442 km (0.081 R)
• M2: 452,982 km (0.114 R)
• M3: 1,193,342 km (0.076 R)
• M4: 1,559,408 km (0.074 R)
• M5: 2,435,453 km (0.059 R)
• M6: 3,419,209 km (0.098 R)
• M7: 3,772,410 km (0.047 R)
• M8: 4,941,218 km (0.091 R)
• M9: 5,522,256 km (0.084 R)
• M10: 6,502,720 km (0.106 R)
• M11: 6,820,765 km (0.08 R)
• M12: 7,947,985 km (0.028 R)
• M13: 8,894,042 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.7

Radius: 4.8

Gravity: 37.49 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.15 AU - 8.43 AU

Year: 13350 Days

Day: 17.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,484,203 km

• M1: 59,839 km (0.032 R)
• M2: 503,696 km (0.099 R)
• M3: 683,064 km (0.058 R)
• M4: 1,378,395 km (0.091 R)
• M5: 1,928,317 km (0.074 R)
• M6: 2,334,325 km (0.111 R)
• M7: 3,084,708 km (0.098 R)
• M8: 3,723,491 km (0.09 R)
• M9: 4,319,788 km (0.082 R)
• M10: 4,542,839 km (0.109 R)
• M11: 5,737,378 km (0.047 R)
• M12: 5,890,416 km (0.049 R)
• M13: 6,046,297 km (0.089 R)
• M14: 7,304,415 km (0.07 R)
• M15: 7,900,114 km (0.071 R)
• M16: 10,157,546 km (0.093 R)
• M17: 14,296,769 km (0.12 R)
• M18: 15,080,961 km (0.098 R)
• M19: 15,299,823 km (0.109 R)
• M20: 16,044,222 km (0.069 R)
• M21: 19,094,223 km (0.111 R)
• M22: 21,758,861 km (0.09 R)
• M23: 24,061,471 km (0.075 R)
• M24: 26,840,102 km (0.103 R)
• M25: 27,161,438 km (0.084 R)
• M26: 27,702,833 km (0.106 R)
• M27: 28,251,259 km (0.089 R)
• M28: 30,867,725 km (0.06 R)
• M29: 31,575,922 km (0.095 R)
• M30: 36,839,523 km (0.112 R)
• M31: 37,502,541 km (0.098 R)
• M32: 42,368,511 km (0.095 R)
• M33: 42,950,147 km (0.11 R)
• M34: 43,684,523 km (0.096 R)
• M35: 47,482,514 km (0.111 R)
• M36: 52,157,148 km (0.07 R)
• M37: 54,177,916 km (0.108 R)
• M38: 55,380,533 km (0.094 R)
• M39: 58,375,034 km (0.083 R)
• M40: 59,457,075 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.5

Radius: 7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 6.55 AU - 8.03 AU

Year: 13350 Days

Day: 16.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,484,203 km

• M1: 89,011 km (0.083 R)
• M2: 396,584 km (0.097 R)
• M3: 2,046,798 km (0.11 R)
• M4: 2,399,849 km (0.119 R)
• M5: 2,714,753 km (0.113 R)
• M6: 2,953,511 km (0.106 R)
• M7: 3,731,569 km (0.089 R)
• M8: 6,179,439 km (0.107 R)
• M9: 8,073,797 km (0.086 R)
• M10: 9,578,303 km (0.061 R)
• M11: 10,565,948 km (0.113 R)
• M12: 12,741,999 km (0.076 R)
• M13: 18,096,854 km (0.084 R)
• M14: 27,454,650 km (0.083 R)
• M15: 31,510,099 km (0.053 R)
• M16: 32,841,969 km (0.104 R)
• M17: 35,072,174 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15.2

Radius: 3.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.91 AU - 9.63 AU

Year: 16131 Days

Day: 21.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,484,203 km

• M1: 44,131 km (0.086 R)
• M2: 228,586 km (0.031 R)
• M3: 511,924 km (0.112 R)
• M4: 911,799 km (0.042 R)
• M5: 1,155,644 km (0.089 R)
• M6: 2,048,294 km (0.075 R)
• M7: 2,230,205 km (0.108 R)
• M8: 2,436,949 km (0.05 R)
• M9: 3,253,754 km (0.057 R)
• M10: 4,135,484 km (0.06 R)
• M11: 4,299,892 km (0.091 R)
• M12: 4,447,545 km (0.1 R)
• M13: 5,576,709 km (0.112 R)
• M14: 6,436,748 km (0.115 R)
• M15: 7,351,688 km (0.118 R)
• M16: 12,811,113 km (0.095 R)
• M17: 17,652,998 km (0.105 R)

Asteroid Belt

Center: 9.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870.9

Radius: 4.8

Gravity: 37.8 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.01 AU - 10.25 AU

Year: 21868 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,484,203 km

• M1: 59,839 km (0.109 R)
• M2: 234,569 km (0.112 R)
• M3: 748,588 km (0.057 R)
• M4: 1,578,557 km (0.025 R)
• M5: 2,664,188 km (0.088 R)
• M6: 2,978,494 km (0.089 R)
• M7: 3,317,034 km (0.056 R)
• M8: 4,172,584 km (0.083 R)
• M9: 5,571,324 km (0.103 R)
• M10: 5,781,659 km (0.09 R)
• M11: 6,129,324 km (0.057 R)
• M12: 6,962,135 km (0.119 R)
• M13: 8,736,815 km (0.035 R)
• M14: 10,033,380 km (0.09 R)
• M15: 12,855,394 km (0.088 R)
• M16: 14,764,263 km (0.028 R)
• M17: 15,005,265 km (0.084 R)
• M18: 15,412,769 km (0.092 R)
• M19: 15,660,952 km (0.106 R)
• M20: 16,421,059 km (0.096 R)
• M21: 18,106,279 km (0.041 R)
• M22: 18,943,429 km (0.088 R)
• M23: 20,099,222 km (0.087 R)
• M24: 23,301,364 km (0.079 R)
• M25: 25,653,641 km (0.111 R)
• M26: 31,881,700 km (0.037 R)
• M27: 34,772,978 km (0.104 R)
• M28: 37,535,153 km (0.096 R)
• M29: 38,134,741 km (0.109 R)
• M30: 46,348,861 km (0.052 R)
• M31: 47,038,806 km (0.045 R)
• M32: 47,212,340 km (0.032 R)
• M33: 52,433,754 km (0.108 R)
• M34: 55,279,555 km (0.089 R)
• M35: 77,649,224 km (0.073 R)
• M36: 79,357,182 km (0.043 R)
• M37: 84,630,807 km (0.089 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: 317 - 14,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit