🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 13.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.47 AU - 0.65 AU

Year: 279 Days

Day: 6.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,459,566 km

• M1: 164,258 km (0.093 R)
• M2: 595,848 km (0.072 R)
• M3: 1,145,620 km (0.062 R)
• M4: 2,198,640 km (0.07 R)
• M5: 2,628,584 km (0.088 R)
• M6: 3,185,238 km (0.081 R)
• M7: 3,595,734 km (0.086 R)
• M8: 4,029,867 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.1

Radius: 14.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.75 AU - 0.81 AU

Year: 459 Days

Day: 5.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,459,566 km

• M1: 179,069 km (0.087 R)
• M2: 664,065 km (0.084 R)
• M3: 1,415,495 km (0.07 R)
• M4: 1,952,851 km (0.104 R)
• M5: 2,427,824 km (0.113 R)
• M6: 4,073,400 km (0.119 R)
• M7: 4,751,378 km (0.101 R)
• M8: 5,367,422 km (0.076 R)
• M9: 6,240,326 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.1

Radius: 11.4

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.75 AU - 0.85 AU

Year: 477 Days

Day: 13.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,459,566 km

• M1: 141,819 km (0.084 R)
• M2: 539,151 km (0.112 R)
• M3: 1,078,301 km (0.092 R)
• M4: 1,486,105 km (0.108 R)
• M5: 1,932,655 km (0.117 R)
• M6: 2,575,327 km (0.041 R)
• M7: 3,574,043 km (0.052 R)
• M8: 3,972,721 km (0.038 R)
• M9: 4,649,053 km (0.099 R)
• M10: 5,702,521 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.9

Radius: 10.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.73 AU - 1.13 AU

Year: 598 Days

Day: 11 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,459,566 km

• M1: 133,142 km (0.079 R)
• M2: 476,020 km (0.057 R)
• M3: 1,080,845 km (0.076 R)
• M4: 1,478,925 km (0.027 R)
• M5: 1,855,911 km (0.104 R)
• M6: 2,528,653 km (0.087 R)
• M7: 2,945,283 km (0.106 R)
• M8: 4,417,775 km (0.061 R)
• M9: 4,893,496 km (0.102 R)
• M10: 5,473,636 km (0.091 R)
• M11: 5,966,561 km (0.09 R)
• M12: 6,771,697 km (0.101 R)
• M13: 7,362,160 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.8

Radius: 10.7

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.33 AU - 2.13 AU

Year: 1517 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,459,566 km

• M1: 133,142 km (0.062 R)
• M2: 707,598 km (0.059 R)
• M3: 1,069,475 km (0.106 R)
• M4: 1,405,472 km (0.05 R)
• M5: 1,947,166 km (0.094 R)
• M6: 2,588,193 km (0.118 R)
• M7: 3,018,287 km (0.104 R)
• M8: 3,800,085 km (0.083 R)
• M9: 4,515,013 km (0.092 R)
• M10: 6,776,484 km (0.097 R)
• M11: 7,228,120 km (0.109 R)
• M12: 7,776,247 km (0.087 R)
• M13: 8,815,952 km (0.056 R)
• M14: 9,676,888 km (0.05 R)
• M15: 10,097,557 km (0.116 R)
• M16: 10,530,194 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 12.9

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.1 AU - 3.84 AU

Year: 4310 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,459,566 km

• M1: 160,369 km (0.05 R)
• M2: 812,167 km (0.094 R)
• M3: 1,224,309 km (0.093 R)
• M4: 2,911,474 km (0.081 R)
• M5: 3,510,464 km (0.104 R)
• M6: 5,976,435 km (0.117 R)
• M7: 8,224,442 km (0.085 R)
• M8: 9,279,556 km (0.107 R)
• M9: 10,187,166 km (0.038 R)
• M10: 12,805,727 km (0.036 R)
• M11: 13,407,111 km (0.112 R)
• M12: 14,917,301 km (0.117 R)
• M13: 18,976,789 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 12.4

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.15 AU - 4.45 AU

Year: 4940 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,459,566 km

• M1: 154,235 km (0.112 R)
• M2: 1,007,990 km (0.103 R)
• M3: 1,884,484 km (0.067 R)
• M4: 2,420,494 km (0.057 R)
• M5: 2,874,224 km (0.116 R)
• M6: 3,277,989 km (0.102 R)
• M7: 4,609,110 km (0.106 R)
• M8: 5,270,333 km (0.113 R)
• M9: 9,226,149 km (0.095 R)
• M10: 11,267,113 km (0.093 R)
• M11: 12,355,887 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.4

Radius: 3

Gravity: 98.49 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.56 AU - 7.76 AU

Year: 14138 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,459,566 km

• M1: 37,399 km (0.052 R)
• M2: 225,594 km (0.104 R)
• M3: 524,939 km (0.115 R)
• M4: 816,655 km (0.06 R)
• M5: 1,179,729 km (0.098 R)
• M6: 2,053,680 km (0.113 R)
• M7: 2,357,812 km (0.111 R)
• M8: 4,028,671 km (0.109 R)
• M9: 4,536,406 km (0.078 R)
• M10: 6,354,768 km (0.078 R)
• M11: 6,864,448 km (0.086 R)
• M12: 8,257,054 km (0.08 R)
• M13: 9,498,418 km (0.06 R)
• M14: 9,827,234 km (0.048 R)
• M15: 10,050,434 km (0.062 R)
• M16: 10,449,411 km (0.086 R)
• M17: 13,405,764 km (0.044 R)
• M18: 15,110,432 km (0.108 R)
• M19: 15,333,183 km (0.119 R)
• M20: 17,600,638 km (0.089 R)
• M21: 21,827,825 km (0.095 R)
• M22: 24,786,422 km (0.085 R)
• M23: 25,200,061 km (0.038 R)
• M24: 25,829,120 km (0.097 R)
• M25: 31,003,411 km (0.07 R)
• M26: 31,604,345 km (0.086 R)
• M27: 32,335,580 km (0.078 R)
• M28: 34,340,640 km (0.108 R)
• M29: 37,095,934 km (0.06 R)
• M30: 39,431,456 km (0.077 R)
• M31: 43,638,447 km (0.075 R)
• M32: 47,815,219 km (0.099 R)
• M33: 49,590,647 km (0.094 R)
• M34: 50,411,939 km (0.12 R)
• M35: 50,577,245 km (0.061 R)
• M36: 52,419,991 km (0.078 R)
• M37: 53,615,727 km (0.025 R)
• M38: 54,829,415 km (0.115 R)
• M39: 65,401,496 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.6

Radius: 5.1

Gravity: 31.7 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.8 AU - 8.36 AU

Year: 15316 Days

Day: 17 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,459,566 km

• M1: 63,429 km (0.082 R)
• M2: 241,301 km (0.103 R)
• M3: 908,657 km (0.107 R)
• M4: 1,199,027 km (0.068 R)
• M5: 2,473,900 km (0.12 R)
• M6: 3,836,587 km (0.112 R)
• M7: 4,330,709 km (0.096 R)
• M8: 4,660,572 km (0.062 R)
• M9: 4,831,712 km (0.097 R)
• M10: 5,520,461 km (0.12 R)
• M11: 5,829,380 km (0.114 R)
• M12: 10,960,438 km (0.041 R)
• M13: 11,823,468 km (0.096 R)
• M14: 12,864,370 km (0.098 R)
• M15: 13,614,603 km (0.092 R)
• M16: 14,035,871 km (0.096 R)
• M17: 14,904,286 km (0.058 R)
• M18: 16,588,758 km (0.111 R)
• M19: 19,171,715 km (0.091 R)
• M20: 20,604,115 km (0.063 R)
• M21: 21,819,448 km (0.095 R)
• M22: 22,299,358 km (0.063 R)
• M23: 24,187,283 km (0.025 R)
• M24: 29,426,200 km (0.077 R)
• M25: 33,562,881 km (0.096 R)
• M26: 33,945,552 km (0.085 R)
• M27: 39,753,839 km (0.099 R)
• M28: 50,735,220 km (0.087 R)
• M29: 51,239,066 km (0.114 R)
• M30: 52,599,210 km (0.047 R)
• M31: 53,461,342 km (0.114 R)
• M32: 57,004,418 km (0.03 R)
• M33: 64,161,180 km (0.108 R)
• M34: 65,939,749 km (0.115 R)
• M35: 66,339,475 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430

Radius: 6.6

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.74 AU - 10.88 AU

Year: 17438 Days

Day: 23.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,459,566 km

• M1: 82,129 km (0.083 R)
• M2: 325,226 km (0.119 R)
• M3: 913,145 km (0.088 R)
• M4: 1,162,226 km (0.116 R)
• M5: 1,590,973 km (0.087 R)
• M6: 2,196,546 km (0.12 R)
• M7: 2,415,856 km (0.112 R)
• M8: 2,693,958 km (0.064 R)
• M9: 2,993,304 km (0.083 R)
• M10: 3,741,443 km (0.093 R)
• M11: 3,997,405 km (0.043 R)
• M12: 4,704,853 km (0.099 R)
• M13: 5,279,309 km (0.053 R)
• M14: 6,365,689 km (0.078 R)
• M15: 7,153,621 km (0.095 R)
• M16: 8,287,423 km (0.097 R)
• M17: 9,960,974 km (0.084 R)
• M18: 12,030,661 km (0.105 R)
• M19: 12,652,838 km (0.082 R)
• M20: 19,250,852 km (0.06 R)
• M21: 25,738,014 km (0.119 R)
• M22: 29,246,533 km (0.107 R)
• M23: 32,462,888 km (0.1 R)
• M24: 39,047,587 km (0.077 R)
• M25: 40,684,338 km (0.092 R)
• M26: 41,100,519 km (0.119 R)
• M27: 43,947,965 km (0.05 R)
• M28: 51,151,850 km (0.086 R)
• M29: 55,967,705 km (0.1 R)
• M30: 58,397,174 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 13,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit