🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.56 AU - 0.82 AU

Year: 382 Days

Day: 6.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,043,723 km

• M1: 111,899 km (0.041 R)
• M2: 450,140 km (0.105 R)
• M3: 735,722 km (0.07 R)
• M4: 1,107,473 km (0.106 R)
• M5: 1,407,267 km (0.113 R)
• M6: 1,841,101 km (0.081 R)
• M7: 2,208,813 km (0.087 R)
• M8: 3,353,685 km (0.111 R)
• M9: 3,675,620 km (0.12 R)
• M10: 3,980,650 km (0.071 R)
• M11: 4,315,749 km (0.028 R)
• M12: 4,782,494 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.2

Radius: 11.9

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.09 AU - 1.27 AU

Year: 855 Days

Day: 9.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,043,723 km

• M1: 148,251 km (0.096 R)
• M2: 569,220 km (0.119 R)
• M3: 1,015,022 km (0.067 R)
• M4: 2,215,694 km (0.094 R)
• M5: 3,140,209 km (0.118 R)
• M6: 4,201,307 km (0.116 R)
• M7: 5,071,667 km (0.112 R)
• M8: 6,750,454 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.9

Radius: 12.3

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.09 AU - 1.43 AU

Year: 943 Days

Day: 10.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,043,723 km

• M1: 154,684 km (0.114 R)
• M2: 785,090 km (0.098 R)
• M3: 1,180,028 km (0.058 R)
• M4: 1,841,999 km (0.075 R)
• M5: 2,337,317 km (0.075 R)
• M6: 3,378,967 km (0.029 R)
• M7: 3,831,949 km (0.117 R)
• M8: 4,311,261 km (0.095 R)
• M9: 4,939,273 km (0.092 R)
• M10: 5,474,833 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 11.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.4 AU - 1.66 AU

Year: 1262 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,043,723 km

• M1: 147,952 km (0.103 R)
• M2: 556,055 km (0.044 R)
• M3: 1,791,584 km (0.07 R)
• M4: 2,194,601 km (0.102 R)
• M5: 2,898,908 km (0.083 R)
• M6: 3,400,060 km (0.098 R)
• M7: 3,826,414 km (0.032 R)
• M8: 4,246,336 km (0.068 R)
• M9: 4,787,880 km (0.036 R)
• M10: 5,260,460 km (0.067 R)
• M11: 5,695,041 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.8

Radius: 8.3

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.97 AU - 4.53 AU

Year: 5843 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 85 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,043,723 km

• M1: 103,223 km (0.065 R)
• M2: 364,570 km (0.091 R)
• M3: 660,624 km (0.112 R)
• M4: 1,026,541 km (0.111 R)
• M5: 1,452,147 km (0.116 R)
• M6: 1,817,165 km (0.085 R)
• M7: 2,514,591 km (0.08 R)
• M8: 2,866,594 km (0.086 R)
• M9: 3,423,248 km (0.065 R)
• M10: 4,050,063 km (0.071 R)
• M11: 4,430,042 km (0.073 R)
• M12: 5,059,101 km (0.117 R)
• M13: 5,935,296 km (0.053 R)
• M14: 6,460,234 km (0.062 R)
• M15: 7,232,010 km (0.063 R)
• M16: 9,604,931 km (0.094 R)
• M17: 10,515,085 km (0.069 R)
• M18: 11,833,341 km (0.037 R)
• M19: 12,296,347 km (0.083 R)
• M20: 14,853,872 km (0.112 R)
• M21: 17,546,783 km (0.042 R)
• M22: 18,834,222 km (0.11 R)
• M23: 22,365,330 km (0.062 R)
• M24: 26,314,565 km (0.093 R)
• M25: 28,453,216 km (0.047 R)
• M26: 28,728,476 km (0.099 R)
• M27: 30,131,405 km (0.081 R)
• M28: 35,032,530 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.5

Radius: 3

Gravity: 95.83 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.55 AU - 7.49 AU

Year: 9850 Days

Day: 19.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,043,723 km

• M1: 37,399 km (0.076 R)
• M2: 152,440 km (0.071 R)
• M3: 246,986 km (0.099 R)
• M4: 356,342 km (0.106 R)
• M5: 518,357 km (0.103 R)
• M6: 1,137,393 km (0.1 R)
• M7: 1,312,123 km (0.105 R)
• M8: 1,419,833 km (0.109 R)
• M9: 1,637,648 km (0.108 R)
• M10: 2,176,649 km (0.113 R)
• M11: 2,568,296 km (0.065 R)
• M12: 3,074,535 km (0.112 R)
• M13: 3,514,802 km (0.07 R)
• M14: 5,021,103 km (0.104 R)
• M15: 5,842,694 km (0.047 R)
• M16: 6,553,434 km (0.05 R)
• M17: 8,325,869 km (0.08 R)
• M18: 9,029,279 km (0.093 R)
• M19: 9,174,538 km (0.066 R)
• M20: 9,272,226 km (0.105 R)
• M21: 11,947,335 km (0.109 R)
• M22: 12,962,655 km (0.114 R)
• M23: 13,585,880 km (0.088 R)
• M24: 13,776,767 km (0.069 R)
• M25: 13,969,300 km (0.058 R)
• M26: 15,506,118 km (0.119 R)
• M27: 19,308,148 km (0.083 R)
• M28: 21,039,145 km (0.113 R)
• M29: 23,595,474 km (0.104 R)
• M30: 25,474,273 km (0.087 R)
• M31: 28,062,616 km (0.118 R)
• M32: 29,102,919 km (0.101 R)
• M33: 32,946,837 km (0.119 R)
• M34: 42,024,585 km (0.111 R)
• M35: 45,055,288 km (0.092 R)
• M36: 49,718,852 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.2

Radius: 6.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.07 AU - 11.61 AU

Year: 19035 Days

Day: 21.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,043,723 km

• M1: 81,531 km (0.108 R)
• M2: 324,627 km (0.037 R)
• M3: 623,075 km (0.093 R)
• M4: 1,330,972 km (0.101 R)
• M5: 1,565,691 km (0.1 R)
• M6: 1,779,616 km (0.063 R)
• M7: 2,267,455 km (0.12 R)
• M8: 2,584,004 km (0.086 R)
• M9: 2,975,202 km (0.112 R)
• M10: 4,098,234 km (0.07 R)
• M11: 5,654,201 km (0.102 R)
• M12: 6,901,249 km (0.08 R)
• M13: 7,740,643 km (0.109 R)
• M14: 9,671,054 km (0.102 R)
• M15: 16,104,510 km (0.074 R)
• M16: 17,123,870 km (0.114 R)
• M17: 18,185,566 km (0.077 R)
• M18: 24,347,203 km (0.046 R)
• M19: 24,630,541 km (0.045 R)
• M20: 26,575,463 km (0.119 R)
• M21: 36,726,427 km (0.057 R)
• M22: 38,871,511 km (0.106 R)
• M23: 40,965,582 km (0.106 R)
• M24: 41,769,820 km (0.091 R)
• M25: 43,548,539 km (0.11 R)
• M26: 44,105,791 km (0.105 R)
• M27: 47,549,683 km (0.107 R)
• M28: 49,337,079 km (0.08 R)
• M29: 49,639,117 km (0.051 R)
• M30: 50,400,121 km (0.091 R)
• M31: 51,323,289 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827

Radius: 4.4

Gravity: 42.72 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 9.75 AU - 10.37 AU

Year: 21278 Days

Day: 23.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,043,723 km

• M1: 54,753 km (0.093 R)
• M2: 207,941 km (0.11 R)
• M3: 345,272 km (0.116 R)
• M4: 699,819 km (0.085 R)
• M5: 1,149,809 km (0.114 R)
• M6: 1,771,538 km (0.08 R)
• M7: 3,459,750 km (0.107 R)
• M8: 3,672,478 km (0.087 R)
• M9: 4,648,455 km (0.042 R)
• M10: 5,827,884 km (0.118 R)
• M11: 6,441,236 km (0.115 R)
• M12: 7,950,678 km (0.077 R)
• M13: 9,097,944 km (0.118 R)
• M14: 10,793,187 km (0.034 R)
• M15: 11,782,927 km (0.119 R)
• M16: 13,194,532 km (0.114 R)
• M17: 14,636,356 km (0.103 R)
• M18: 15,112,676 km (0.071 R)
• M19: 21,355,395 km (0.038 R)
• M20: 23,549,996 km (0.031 R)
• M21: 27,534,086 km (0.068 R)
• M22: 33,015,203 km (0.116 R)
• M23: 39,484,712 km (0.116 R)
• M24: 39,637,302 km (0.117 R)
• M25: 39,943,828 km (0.082 R)
• M26: 52,057,965 km (0.096 R)
• M27: 60,548,392 km (0.072 R)
• M28: 61,363,102 km (0.114 R)
• M29: 64,695,245 km (0.106 R)
• M30: 69,470,858 km (0.088 R)
• M31: 76,828,380 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.2

Radius: 6.6

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.47 AU - 12.33 AU

Year: 22366 Days

Day: 21.8 Hours

Environment

Temp: -246 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,043,723 km

• M1: 82,129 km (0.114 R)
• M2: 520,301 km (0.094 R)
• M3: 993,928 km (0.106 R)
• M4: 1,593,068 km (0.112 R)
• M5: 2,495,891 km (0.067 R)
• M6: 5,039,204 km (0.115 R)
• M7: 6,052,879 km (0.096 R)
• M8: 6,377,656 km (0.089 R)
• M9: 6,714,102 km (0.089 R)
• M10: 7,196,106 km (0.078 R)
• M11: 7,747,823 km (0.084 R)
• M12: 8,476,664 km (0.076 R)
• M13: 8,935,331 km (0.075 R)
• M14: 9,681,525 km (0.116 R)
• M15: 14,187,862 km (0.115 R)
• M16: 17,131,499 km (0.096 R)
• M17: 18,618,053 km (0.115 R)
• M18: 22,417,241 km (0.077 R)
• M19: 27,466,767 km (0.103 R)
• M20: 28,132,927 km (0.111 R)
• M21: 29,381,919 km (0.103 R)
• M22: 30,549,082 km (0.096 R)
• M23: 34,620,089 km (0.102 R)
• M24: 36,318,324 km (0.082 R)
• M25: 42,478,016 km (0.099 R)
• M26: 44,271,246 km (0.047 R)
• M27: 46,897,137 km (0.099 R)
• M28: 49,952,973 km (0.099 R)
• M29: 50,282,088 km (0.114 R)
• M30: 52,967,819 km (0.093 R)
• M31: 62,164,647 km (0.084 R)
• M32: 62,736,560 km (0.089 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: 291 - 12,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit