🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.6

Radius: 9.1

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.18 AU - 1.44 AU

Year: 1035 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,910,475 km

• M1: 116,387 km (0.107 R)
• M2: 454,778 km (0.056 R)
• M3: 839,842 km (0.077 R)
• M4: 1,298,360 km (0.095 R)
• M5: 2,161,091 km (0.071 R)
• M6: 2,823,061 km (0.079 R)
• M7: 3,263,926 km (0.047 R)
• M8: 3,654,676 km (0.119 R)
• M9: 4,032,859 km (0.087 R)
• M10: 4,818,697 km (0.102 R)
• M11: 5,102,335 km (0.067 R)
• M12: 5,926,320 km (0.09 R)
• M13: 6,489,705 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.8

Radius: 13.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.51 AU - 2.05 AU

Year: 1639 Days

Day: 13.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,910,475 km

• M1: 173,234 km (0.055 R)
• M2: 682,166 km (0.076 R)
• M3: 2,354,521 km (0.031 R)
• M4: 3,221,590 km (0.069 R)
• M5: 3,897,473 km (0.092 R)
• M6: 4,461,158 km (0.116 R)
• M7: 5,426,962 km (0.115 R)
• M8: 5,978,978 km (0.112 R)
• M9: 6,588,589 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.4

Radius: 9.8

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.75 AU - 2.37 AU

Year: 2041 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,910,475 km

• M1: 121,922 km (0.038 R)
• M2: 542,591 km (0.108 R)
• M3: 857,944 km (0.106 R)
• M4: 1,310,029 km (0.026 R)
• M5: 2,332,829 km (0.093 R)
• M6: 2,642,796 km (0.12 R)
• M7: 3,329,899 km (0.108 R)
• M8: 3,688,036 km (0.052 R)
• M9: 4,808,225 km (0.047 R)
• M10: 5,606,031 km (0.033 R)
• M11: 6,462,179 km (0.055 R)
• M12: 7,891,288 km (0.114 R)
• M13: 10,622,047 km (0.053 R)
• M14: 11,322,764 km (0.091 R)
• M15: 11,643,950 km (0.099 R)
• M16: 12,473,470 km (0.105 R)
• M17: 13,077,397 km (0.12 R)
• M18: 13,836,606 km (0.113 R)
• M19: 14,203,869 km (0.075 R)
• M20: 15,788,559 km (0.103 R)
• M21: 17,328,520 km (0.059 R)
• M22: 18,189,605 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 13.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.45 AU - 5.11 AU

Year: 6112 Days

Day: 5.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,910,475 km

• M1: 166,652 km (0.042 R)
• M2: 790,176 km (0.116 R)
• M3: 1,694,345 km (0.062 R)
• M4: 3,552,650 km (0.106 R)
• M5: 4,070,109 km (0.054 R)
• M6: 5,028,433 km (0.115 R)
• M7: 6,017,724 km (0.055 R)
• M8: 6,484,021 km (0.058 R)
• M9: 7,722,990 km (0.052 R)
• M10: 9,001,603 km (0.118 R)
• M11: 11,975,758 km (0.11 R)
• M12: 19,786,263 km (0.037 R)
• M13: 22,098,747 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 11.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.89 AU - 5.77 AU

Year: 8494 Days

Day: 5.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,910,475 km

• M1: 142,716 km (0.075 R)
• M2: 499,806 km (0.088 R)
• M3: 895,343 km (0.081 R)
• M4: 1,268,590 km (0.105 R)
• M5: 1,703,321 km (0.114 R)
• M6: 2,327,593 km (0.106 R)
• M7: 5,437,434 km (0.105 R)
• M8: 7,344,358 km (0.097 R)
• M9: 9,419,430 km (0.094 R)
• M10: 10,985,720 km (0.05 R)
• M11: 11,526,217 km (0.106 R)
• M12: 13,929,955 km (0.11 R)
• M13: 16,300,782 km (0.088 R)
• M14: 16,650,243 km (0.103 R)
• M15: 17,875,450 km (0.071 R)
• M16: 21,575,304 km (0.105 R)
• M17: 22,166,814 km (0.049 R)
• M18: 24,917,470 km (0.106 R)
• M19: 25,474,872 km (0.099 R)
• M20: 26,518,616 km (0.1 R)
• M21: 26,905,177 km (0.085 R)
• M22: 27,492,049 km (0.094 R)
• M23: 30,449,450 km (0.076 R)
• M24: 31,841,757 km (0.097 R)
• M25: 33,388,001 km (0.119 R)
• M26: 36,510,408 km (0.081 R)
• M27: 38,326,675 km (0.076 R)
• M28: 41,227,528 km (0.115 R)
• M29: 43,463,417 km (0.08 R)
• M30: 44,136,159 km (0.047 R)
• M31: 46,615,744 km (0.089 R)
• M32: 47,462,468 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.6

Radius: 3.5

Gravity: 71.56 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.07 AU - 6.39 AU

Year: 10734 Days

Day: 20.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,910,475 km

• M1: 96,491 km (0.095 R)
• M2: 246,537 km (0.105 R)
• M3: 400,025 km (0.057 R)
• M4: 570,267 km (0.108 R)
• M5: 874,998 km (0.091 R)
• M6: 1,574,966 km (0.105 R)
• M7: 1,731,147 km (0.097 R)
• M8: 1,863,391 km (0.111 R)
• M9: 2,038,271 km (0.114 R)
• M10: 3,178,656 km (0.09 R)
• M11: 3,855,736 km (0.092 R)
• M12: 4,814,807 km (0.104 R)
• M13: 5,418,884 km (0.112 R)
• M14: 5,848,828 km (0.081 R)
• M15: 8,297,595 km (0.101 R)
• M16: 13,224,601 km (0.075 R)
• M17: 13,673,844 km (0.064 R)
• M18: 13,804,144 km (0.104 R)
• M19: 15,291,745 km (0.098 R)
• M20: 15,786,615 km (0.063 R)
• M21: 18,185,566 km (0.105 R)
• M22: 19,389,230 km (0.116 R)
• M23: 19,802,121 km (0.113 R)
• M24: 22,132,855 km (0.094 R)
• M25: 27,021,863 km (0.111 R)
• M26: 27,536,779 km (0.056 R)
• M27: 31,665,082 km (0.086 R)
• M28: 36,938,706 km (0.069 R)
• M29: 39,123,583 km (0.113 R)
• M30: 43,186,661 km (0.048 R)
• M31: 44,173,558 km (0.079 R)
• M32: 44,458,243 km (0.095 R)
• M33: 46,192,232 km (0.069 R)
• M34: 47,521,858 km (0.096 R)
• M35: 49,487,424 km (0.119 R)
• M36: 52,138,299 km (0.086 R)
• M37: 53,579,375 km (0.048 R)
• M38: 53,903,254 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295

Radius: 3.3

Gravity: 27.09 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.76 AU - 12.74 AU

Year: 22652 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,910,475 km

• M1: 41,139 km (0.118 R)
• M2: 468,989 km (0.094 R)
• M3: 578,495 km (0.116 R)
• M4: 1,228,647 km (0.096 R)
• M5: 1,692,102 km (0.099 R)
• M6: 2,202,679 km (0.066 R)
• M7: 2,536,731 km (0.111 R)
• M8: 3,000,784 km (0.119 R)
• M9: 3,518,841 km (0.097 R)
• M10: 3,799,188 km (0.12 R)
• M11: 4,796,856 km (0.101 R)
• M12: 5,879,346 km (0.104 R)
• M13: 6,035,077 km (0.099 R)
• M14: 6,477,438 km (0.065 R)
• M15: 7,886,800 km (0.12 R)
• M16: 10,534,981 km (0.094 R)
• M17: 12,214,367 km (0.094 R)
• M18: 12,985,694 km (0.092 R)
• M19: 13,517,514 km (0.049 R)
• M20: 14,063,845 km (0.117 R)
• M21: 18,224,013 km (0.031 R)
• M22: 19,059,218 km (0.049 R)
• M23: 21,258,306 km (0.071 R)
• M24: 22,183,270 km (0.077 R)
• M25: 23,718,742 km (0.074 R)
• M26: 24,312,197 km (0.118 R)
• M27: 25,529,026 km (0.082 R)
• M28: 28,747,176 km (0.101 R)
• M29: 28,858,925 km (0.082 R)
• M30: 33,198,311 km (0.093 R)
• M31: 38,628,115 km (0.114 R)
• M32: 38,764,099 km (0.093 R)
• M33: 39,725,266 km (0.094 R)
• M34: 39,863,943 km (0.093 R)
• M35: 40,421,494 km (0.051 R)
• M36: 44,322,109 km (0.112 R)
• M37: 47,993,390 km (0.089 R)
• M38: 48,308,144 km (0.093 R)
• M39: 49,260,784 km (0.112 R)
• M40: 53,196,554 km (0.102 R)
• M41: 58,046,966 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.6

Radius: 3.8

Gravity: 35.36 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.83 AU - 10.93 AU

Year: 23084 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,910,475 km

• M1: 47,273 km (0.086 R)
• M2: 1,122,433 km (0.07 R)
• M3: 1,694,794 km (0.116 R)
• M4: 2,509,953 km (0.096 R)
• M5: 3,108,644 km (0.073 R)
• M6: 3,952,675 km (0.115 R)
• M7: 4,177,221 km (0.03 R)
• M8: 6,163,432 km (0.097 R)
• M9: 9,817,510 km (0.117 R)
• M10: 11,341,613 km (0.118 R)
• M11: 12,807,223 km (0.053 R)
• M12: 14,696,495 km (0.071 R)
• M13: 22,966,415 km (0.105 R)
• M14: 24,752,912 km (0.111 R)
• M15: 25,845,875 km (0.101 R)
• M16: 28,957,061 km (0.085 R)
• M17: 30,540,256 km (0.089 R)
• M18: 33,877,934 km (0.079 R)
• M19: 34,546,487 km (0.045 R)
• M20: 44,531,696 km (0.113 R)
• M21: 53,528,512 km (0.083 R)
• M22: 56,092,170 km (0.029 R)
• M23: 60,089,426 km (0.09 R)
• M24: 69,499,880 km (0.07 R)
• M25: 71,012,912 km (0.081 R)
• M26: 72,326,980 km (0.083 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 13,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit