🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.9

Radius: 14.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.76 AU - 0.9 AU

Year: 522 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,966,967 km

• M1: 177,573 km (0.108 R)
• M2: 648,357 km (0.098 R)
• M3: 1,153,998 km (0.088 R)
• M4: 1,631,215 km (0.091 R)
• M5: 2,096,614 km (0.034 R)
• M6: 2,662,543 km (0.103 R)
• M7: 3,135,272 km (0.075 R)
• M8: 3,923,204 km (0.104 R)
• M9: 4,823,783 km (0.091 R)
• M10: 5,693,994 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.5

Radius: 14.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.89 AU - 1.01 AU

Year: 639 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,966,967 km

• M1: 180,265 km (0.093 R)
• M2: 650,751 km (0.042 R)
• M3: 1,143,377 km (0.092 R)
• M4: 1,608,028 km (0.08 R)
• M5: 2,259,975 km (0.103 R)
• M6: 2,793,441 km (0.116 R)
• M7: 3,397,966 km (0.107 R)
• M8: 3,987,082 km (0.119 R)
• M9: 4,453,678 km (0.096 R)
• M10: 5,075,706 km (0.113 R)
• M11: 5,811,578 km (0.062 R)
• M12: 6,679,545 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.8

Radius: 11

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.87 AU - 1.09 AU

Year: 670 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,966,967 km

• M1: 143,165 km (0.075 R)
• M2: 561,441 km (0.086 R)
• M3: 999,463 km (0.06 R)
• M4: 1,418,337 km (0.082 R)
• M5: 1,863,690 km (0.046 R)
• M6: 3,196,009 km (0.046 R)
• M7: 3,733,963 km (0.064 R)
• M8: 4,851,160 km (0.076 R)
• M9: 5,468,401 km (0.068 R)
• M10: 5,895,353 km (0.108 R)
• M11: 6,302,558 km (0.114 R)
• M12: 7,334,335 km (0.106 R)
• M13: 8,348,459 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.7

Radius: 8.3

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.1 AU - 1.44 AU

Year: 988 Days

Day: 12 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,966,967 km

• M1: 103,223 km (0.056 R)
• M2: 479,910 km (0.057 R)
• M3: 973,733 km (0.04 R)
• M4: 1,249,741 km (0.081 R)
• M5: 1,531,583 km (0.099 R)
• M6: 1,937,442 km (0.059 R)
• M7: 2,206,419 km (0.029 R)
• M8: 2,467,766 km (0.116 R)
• M9: 3,312,695 km (0.102 R)
• M10: 3,614,584 km (0.071 R)
• M11: 4,010,420 km (0.076 R)
• M12: 4,467,441 km (0.119 R)
• M13: 5,318,354 km (0.098 R)
• M14: 6,977,993 km (0.095 R)
• M15: 7,546,165 km (0.038 R)
• M16: 7,901,760 km (0.059 R)
• M17: 8,368,056 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 11.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.88 AU - 4.48 AU

Year: 5899 Days

Day: 7.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,966,967 km

• M1: 148,251 km (0.109 R)
• M2: 571,763 km (0.11 R)
• M3: 984,354 km (0.037 R)
• M4: 1,517,521 km (0.112 R)
• M5: 2,662,393 km (0.118 R)
• M6: 3,240,589 km (0.117 R)
• M7: 3,808,163 km (0.067 R)
• M8: 4,289,270 km (0.113 R)
• M9: 4,756,614 km (0.096 R)
• M10: 5,229,194 km (0.084 R)
• M11: 6,804,010 km (0.058 R)
• M12: 7,189,225 km (0.1 R)
• M13: 8,003,785 km (0.059 R)
• M14: 9,728,798 km (0.096 R)
• M15: 11,104,201 km (0.056 R)
• M16: 16,754,064 km (0.086 R)
• M17: 17,329,567 km (0.1 R)
• M18: 28,697,808 km (0.073 R)
• M19: 30,835,861 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448

Radius: 14.6

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.21 AU - 5.59 AU

Year: 8662 Days

Day: 11.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,966,967 km

• M1: 216,917 km (0.054 R)
• M2: 695,181 km (0.101 R)
• M3: 1,197,381 km (0.045 R)
• M4: 2,181,586 km (0.101 R)
• M5: 2,870,783 km (0.118 R)
• M6: 4,112,894 km (0.108 R)
• M7: 7,948,284 km (0.111 R)
• M8: 8,679,668 km (0.055 R)
• M9: 9,411,501 km (0.051 R)
• M10: 11,856,080 km (0.027 R)
• M11: 14,224,962 km (0.092 R)
• M12: 17,831,169 km (0.113 R)
• M13: 18,312,575 km (0.095 R)
• M14: 18,802,508 km (0.108 R)
• M15: 26,084,932 km (0.102 R)
• M16: 29,193,725 km (0.107 R)
• M17: 31,631,871 km (0.071 R)
• M18: 32,644,200 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.7

Radius: 3.7

Gravity: 37.38 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.45 AU - 5.65 AU

Year: 9025 Days

Day: 22.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,966,967 km

• M1: 46,076 km (0.112 R)
• M2: 172,337 km (0.101 R)
• M3: 650,003 km (0.092 R)
• M4: 767,287 km (0.114 R)
• M5: 1,025,344 km (0.107 R)
• M6: 1,350,719 km (0.033 R)
• M7: 1,741,170 km (0.113 R)
• M8: 2,361,253 km (0.073 R)
• M9: 2,623,199 km (0.12 R)
• M10: 2,862,705 km (0.1 R)
• M11: 3,138,563 km (0.038 R)
• M12: 3,525,573 km (0.114 R)
• M13: 4,046,772 km (0.117 R)
• M14: 4,937,029 km (0.109 R)
• M15: 5,950,405 km (0.101 R)
• M16: 6,293,582 km (0.103 R)
• M17: 6,722,629 km (0.108 R)
• M18: 7,880,367 km (0.109 R)
• M19: 8,549,070 km (0.038 R)
• M20: 9,856,256 km (0.1 R)
• M21: 10,336,315 km (0.104 R)
• M22: 10,582,105 km (0.081 R)
• M23: 11,085,352 km (0.053 R)
• M24: 12,412,883 km (0.08 R)
• M25: 13,724,707 km (0.106 R)
• M26: 15,764,025 km (0.066 R)
• M27: 16,821,832 km (0.069 R)
• M28: 17,785,541 km (0.032 R)
• M29: 19,225,122 km (0.101 R)
• M30: 20,508,372 km (0.079 R)
• M31: 22,008,839 km (0.064 R)
• M32: 22,827,289 km (0.087 R)
• M33: 23,750,756 km (0.109 R)
• M34: 28,937,614 km (0.086 R)
• M35: 31,125,931 km (0.06 R)
• M36: 31,330,132 km (0.116 R)
• M37: 35,271,887 km (0.119 R)
• M38: 37,074,092 km (0.077 R)
• M39: 37,997,859 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.2

Radius: 5.3

Gravity: 33.44 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.5 AU - 7.28 AU

Year: 12484 Days

Day: 16.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,966,967 km

• M1: 66,272 km (0.093 R)
• M2: 509,231 km (0.097 R)
• M3: 1,052,870 km (0.117 R)
• M4: 1,362,537 km (0.045 R)
• M5: 2,011,942 km (0.074 R)
• M6: 3,015,743 km (0.053 R)
• M7: 5,072,565 km (0.076 R)
• M8: 5,648,367 km (0.103 R)
• M9: 5,990,796 km (0.08 R)
• M10: 7,366,050 km (0.116 R)
• M11: 12,476,163 km (0.077 R)
• M12: 16,232,715 km (0.111 R)
• M13: 16,537,745 km (0.087 R)
• M14: 18,039,110 km (0.116 R)
• M15: 22,514,031 km (0.107 R)
• M16: 23,860,561 km (0.1 R)
• M17: 26,607,477 km (0.098 R)
• M18: 31,760,376 km (0.065 R)
• M19: 32,237,593 km (0.092 R)
• M20: 33,697,818 km (0.099 R)
• M21: 34,695,486 km (0.079 R)
• M22: 35,712,752 km (0.027 R)
• M23: 38,342,383 km (0.06 R)
• M24: 39,842,401 km (0.093 R)
• M25: 45,324,864 km (0.111 R)
• M26: 46,386,859 km (0.118 R)
• M27: 48,718,043 km (0.083 R)
• M28: 51,781,358 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.2

Radius: 4.7

Gravity: 26.76 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.05 AU - 8.87 AU

Year: 16985 Days

Day: 21.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,966,967 km

• M1: 60,438 km (0.083 R)
• M2: 436,975 km (0.106 R)
• M3: 721,660 km (0.076 R)
• M4: 869,014 km (0.092 R)
• M5: 1,036,564 km (0.112 R)
• M6: 1,393,654 km (0.079 R)
• M7: 2,476,892 km (0.092 R)
• M8: 4,798,950 km (0.082 R)
• M9: 6,542,663 km (0.095 R)
• M10: 7,103,056 km (0.105 R)
• M11: 7,417,810 km (0.066 R)
• M12: 9,237,818 km (0.102 R)
• M13: 10,623,693 km (0.111 R)
• M14: 11,396,515 km (0.118 R)
• M15: 12,333,896 km (0.073 R)
• M16: 13,254,222 km (0.057 R)
• M17: 15,678,156 km (0.047 R)
• M18: 15,829,250 km (0.069 R)
• M19: 16,057,835 km (0.065 R)
• M20: 16,366,007 km (0.11 R)
• M21: 17,801,847 km (0.049 R)
• M22: 20,648,396 km (0.12 R)
• M23: 23,388,281 km (0.051 R)
• M24: 24,691,428 km (0.061 R)
• M25: 26,042,297 km (0.085 R)
• M26: 26,897,697 km (0.106 R)
• M27: 32,549,505 km (0.066 R)
• M28: 34,171,594 km (0.12 R)
• M29: 38,667,609 km (0.056 R)
• M30: 42,214,126 km (0.077 R)
• M31: 42,800,848 km (0.061 R)
• M32: 44,442,685 km (0.096 R)
• M33: 46,126,110 km (0.098 R)
• M34: 47,376,748 km (0.111 R)
• M35: 47,692,848 km (0.051 R)
• M36: 53,114,724 km (0.066 R)
• M37: 56,948,618 km (0.112 R)
• M38: 61,149,775 km (0.047 R)
• M39: 63,805,586 km (0.069 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 10,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit