🌌 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 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.7

Radius: 9.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.66 AU - 0.7 AU

Year: 387 Days

Day: 7.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,190,936 km

• M1: 120,725 km (0.094 R)
• M2: 510,578 km (0.108 R)
• M3: 1,175,540 km (0.086 R)
• M4: 1,665,323 km (0.113 R)
• M5: 2,074,324 km (0.087 R)
• M6: 2,648,032 km (0.117 R)
• M7: 3,209,323 km (0.092 R)
• M8: 3,871,443 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 14.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.44 AU - 2.28 AU

Year: 1751 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,190,936 km

• M1: 184,005 km (0.071 R)
• M2: 682,914 km (0.119 R)
• M3: 1,275,322 km (0.106 R)
• M4: 1,965,566 km (0.065 R)
• M5: 2,596,720 km (0.025 R)
• M6: 3,091,141 km (0.11 R)
• M7: 3,968,233 km (0.098 R)
• M8: 5,500,415 km (0.071 R)
• M9: 6,069,634 km (0.046 R)
• M10: 6,951,065 km (0.111 R)
• M11: 9,331,317 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520

Radius: 11.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.55 AU - 2.23 AU

Year: 1794 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,190,936 km

• M1: 143,016 km (0.092 R)
• M2: 522,097 km (0.118 R)
• M3: 1,299,557 km (0.109 R)
• M4: 1,915,601 km (0.094 R)
• M5: 3,836,138 km (0.116 R)
• M6: 5,237,421 km (0.09 R)
• M7: 5,652,556 km (0.046 R)
• M8: 6,280,567 km (0.031 R)
• M9: 6,851,732 km (0.107 R)
• M10: 9,112,605 km (0.082 R)
• M11: 10,860,207 km (0.105 R)
• M12: 11,249,311 km (0.105 R)
• M13: 11,684,192 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.2

Radius: 13.7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.83 AU - 2.21 AU

Year: 1982 Days

Day: 9.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,190,936 km

• M1: 172,786 km (0.073 R)
• M2: 603,029 km (0.096 R)
• M3: 1,064,688 km (0.046 R)
• M4: 1,980,825 km (0.12 R)
• M5: 2,882,751 km (0.06 R)
• M6: 3,581,971 km (0.061 R)
• M7: 4,642,321 km (0.097 R)
• M8: 5,787,194 km (0.068 R)
• M9: 6,574,826 km (0.052 R)
• M10: 7,624,255 km (0.076 R)
• M11: 8,247,480 km (0.104 R)
• M12: 8,873,996 km (0.077 R)
• M13: 9,628,568 km (0.098 R)
• M14: 11,230,163 km (0.09 R)
• M15: 12,151,386 km (0.079 R)
• M16: 13,811,773 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.5

Radius: 10.2

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.04 AU - 2.48 AU

Year: 2345 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,190,936 km

• M1: 127,009 km (0.082 R)
• M2: 444,455 km (0.098 R)
• M3: 776,862 km (0.104 R)
• M4: 1,094,009 km (0.099 R)
• M5: 1,538,614 km (0.077 R)
• M6: 2,126,235 km (0.115 R)
• M7: 2,459,539 km (0.068 R)
• M8: 3,136,469 km (0.079 R)
• M9: 3,877,128 km (0.072 R)
• M10: 4,239,903 km (0.086 R)
• M11: 4,709,341 km (0.092 R)
• M12: 6,406,978 km (0.108 R)
• M13: 8,137,077 km (0.093 R)
• M14: 9,259,959 km (0.114 R)
• M15: 11,039,126 km (0.03 R)
• M16: 11,382,154 km (0.079 R)
• M17: 13,247,639 km (0.115 R)
• M18: 14,889,626 km (0.086 R)
• M19: 15,355,922 km (0.081 R)
• M20: 16,317,388 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 10.5

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.91 AU - 2.99 AU

Year: 2647 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,190,936 km

• M1: 130,599 km (0.109 R)
• M2: 536,159 km (0.071 R)
• M3: 865,274 km (0.102 R)
• M4: 1,238,521 km (0.11 R)
• M5: 1,868,328 km (0.098 R)
• M6: 3,447,333 km (0.069 R)
• M7: 5,203,612 km (0.093 R)
• M8: 6,114,663 km (0.113 R)
• M9: 6,524,412 km (0.044 R)
• M10: 6,923,389 km (0.12 R)
• M11: 7,738,847 km (0.117 R)
• M12: 8,416,526 km (0.116 R)
• M13: 9,852,965 km (0.077 R)
• M14: 11,944,044 km (0.115 R)
• M15: 17,468,244 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 14.1

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.78 AU - 3.16 AU

Year: 3533 Days

Day: 8.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,190,936 km

• M1: 177,872 km (0.077 R)
• M2: 691,591 km (0.117 R)
• M3: 1,245,402 km (0.05 R)
• M4: 2,056,971 km (0.106 R)
• M5: 2,739,735 km (0.045 R)
• M6: 3,200,646 km (0.06 R)
• M7: 3,990,673 km (0.095 R)
• M8: 7,291,101 km (0.1 R)
• M9: 9,787,291 km (0.06 R)
• M10: 12,140,765 km (0.086 R)
• M11: 13,651,105 km (0.092 R)
• M12: 14,796,576 km (0.116 R)
• M13: 15,836,730 km (0.104 R)
• M14: 17,042,339 km (0.1 R)
• M15: 18,869,827 km (0.079 R)
• M16: 22,130,761 km (0.084 R)
• M17: 26,534,773 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.2

Radius: 7.8

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.87 AU - 8.47 AU

Year: 13252 Days

Day: 18.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,190,936 km

• M1: 98,286 km (0.1 R)
• M2: 433,684 km (0.109 R)
• M3: 1,346,979 km (0.091 R)
• M4: 1,611,019 km (0.069 R)
• M5: 2,117,558 km (0.112 R)
• M6: 2,599,861 km (0.089 R)
• M7: 3,346,355 km (0.076 R)
• M8: 3,624,607 km (0.111 R)
• M9: 4,113,792 km (0.103 R)
• M10: 4,961,114 km (0.091 R)
• M11: 6,443,330 km (0.074 R)
• M12: 7,037,981 km (0.097 R)
• M13: 9,534,321 km (0.116 R)
• M14: 9,889,466 km (0.066 R)
• M15: 10,148,570 km (0.116 R)
• M16: 10,412,161 km (0.076 R)
• M17: 11,626,597 km (0.094 R)
• M18: 13,685,363 km (0.069 R)
• M19: 14,666,575 km (0.042 R)
• M20: 15,834,336 km (0.098 R)
• M21: 17,586,726 km (0.104 R)
• M22: 18,588,134 km (0.083 R)
• M23: 19,223,027 km (0.062 R)
• M24: 22,348,426 km (0.116 R)
• M25: 23,430,766 km (0.088 R)
• M26: 25,993,079 km (0.1 R)
• M27: 26,686,764 km (0.112 R)
• M28: 30,232,383 km (0.115 R)
• M29: 31,555,128 km (0.104 R)
• M30: 35,512,141 km (0.063 R)
• M31: 41,778,646 km (0.087 R)
• M32: 44,676,058 km (0.074 R)
• M33: 47,263,802 km (0.119 R)
• M34: 51,021,551 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.4

Radius: 3.4

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.99 AU - 10.83 AU

Year: 19925 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,190,936 km

• M1: 43,084 km (0.108 R)
• M2: 162,314 km (0.066 R)
• M3: 354,996 km (0.086 R)
• M4: 549,772 km (0.107 R)
• M5: 727,644 km (0.077 R)
• M6: 1,432,400 km (0.057 R)
• M7: 1,637,797 km (0.075 R)
• M8: 1,974,393 km (0.108 R)
• M9: 2,602,105 km (0.082 R)
• M10: 3,918,567 km (0.055 R)
• M11: 4,265,035 km (0.082 R)
• M12: 4,837,546 km (0.065 R)
• M13: 6,274,434 km (0.114 R)
• M14: 6,710,661 km (0.094 R)
• M15: 9,619,592 km (0.11 R)
• M16: 13,270,977 km (0.043 R)
• M17: 16,428,838 km (0.032 R)
• M18: 17,324,929 km (0.06 R)
• M19: 20,678,315 km (0.05 R)
• M20: 22,548,289 km (0.08 R)
• M21: 25,787,980 km (0.034 R)
• M22: 26,433,944 km (0.081 R)
• M23: 27,280,069 km (0.08 R)
• M24: 27,566,100 km (0.072 R)
• M25: 30,231,187 km (0.079 R)
• M26: 39,004,952 km (0.11 R)
• M27: 39,489,350 km (0.103 R)
• M28: 41,972,226 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.2

Radius: 3.9

Gravity: 14.02 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.05 AU - 10.51 AU

Year: 22751 Days

Day: 16.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 56,190,936 km

• M1: 52,359 km (0.112 R)
• M2: 319,541 km (0.11 R)
• M3: 722,707 km (0.111 R)
• M4: 1,281,007 km (0.054 R)
• M5: 1,417,739 km (0.073 R)
• M6: 1,549,236 km (0.056 R)
• M7: 1,871,021 km (0.084 R)
• M8: 2,518,031 km (0.078 R)
• M9: 2,892,325 km (0.098 R)
• M10: 3,378,818 km (0.072 R)
• M11: 3,561,327 km (0.113 R)
• M12: 4,237,808 km (0.102 R)
• M13: 5,477,676 km (0.049 R)
• M14: 6,573,031 km (0.06 R)
• M15: 7,897,122 km (0.12 R)
• M16: 8,645,560 km (0.1 R)
• M17: 9,086,874 km (0.102 R)
• M18: 10,391,068 km (0.086 R)
• M19: 10,666,179 km (0.074 R)
• M20: 11,637,667 km (0.069 R)
• M21: 15,183,735 km (0.118 R)
• M22: 18,014,875 km (0.114 R)
• M23: 18,814,475 km (0.094 R)
• M24: 19,140,748 km (0.095 R)
• M25: 23,544,610 km (0.114 R)
• M26: 24,693,672 km (0.096 R)
• M27: 27,834,180 km (0.094 R)
• M28: 28,471,317 km (0.061 R)
• M29: 29,774,464 km (0.107 R)
• M30: 30,217,573 km (0.111 R)
• M31: 31,230,650 km (0.117 R)
• M32: 33,443,352 km (0.044 R)
• M33: 34,163,217 km (0.108 R)
• M34: 34,405,416 km (0.116 R)
• M35: 36,007,908 km (0.047 R)
• M36: 43,623,487 km (0.085 R)
• M37: 43,765,904 km (0.064 R)
• M38: 44,338,715 km (0.035 R)
• M39: 44,916,312 km (0.082 R)
• M40: 45,061,571 km (0.117 R)
• M41: 49,564,617 km (0.077 R)
• M42: 53,213,459 km (0.115 R)
• M43: 54,193,923 km (0.07 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: 266 - 14,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit