🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 14.2

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.53 AU - 0.79 AU

Year: 370 Days

Day: 11 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,400,824 km

• M1: 176,675 km (0.051 R)
• M2: 623,075 km (0.081 R)
• M3: 1,129,314 km (0.118 R)
• M4: 1,662,481 km (0.071 R)
• M5: 2,121,597 km (0.106 R)
• M6: 2,637,261 km (0.114 R)
• M7: 3,351,291 km (0.118 R)
• M8: 5,422,624 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 10.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.08 AU - 1.12 AU

Year: 796 Days

Day: 12.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,400,824 km

• M1: 134,339 km (0.078 R)
• M2: 487,988 km (0.09 R)
• M3: 853,605 km (0.117 R)
• M4: 1,235,978 km (0.07 R)
• M5: 1,603,540 km (0.109 R)
• M6: 2,172,311 km (0.097 R)
• M7: 2,535,834 km (0.076 R)
• M8: 3,104,305 km (0.068 R)
• M9: 4,151,341 km (0.092 R)
• M10: 5,814,570 km (0.036 R)
• M11: 6,463,526 km (0.082 R)
• M12: 6,826,300 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 12

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.23 AU - 1.57 AU

Year: 1143 Days

Day: 8.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,400,824 km

• M1: 149,299 km (0.094 R)
• M2: 624,571 km (0.111 R)
• M3: 1,096,104 km (0.078 R)
• M4: 1,720,675 km (0.109 R)
• M5: 2,094,370 km (0.084 R)
• M6: 2,560,368 km (0.035 R)
• M7: 2,982,533 km (0.043 R)
• M8: 3,497,897 km (0.098 R)
• M9: 3,952,525 km (0.052 R)
• M10: 4,520,399 km (0.084 R)
• M11: 5,368,619 km (0.119 R)
• M12: 7,226,176 km (0.11 R)
• M13: 7,670,481 km (0.071 R)
• M14: 8,160,863 km (0.066 R)
• M15: 9,234,826 km (0.057 R)
• M16: 9,980,422 km (0.117 R)
• M17: 11,626,896 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778

Radius: 11.8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.58 AU - 1.84 AU

Year: 1543 Days

Day: 9 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,400,824 km

• M1: 146,905 km (0.119 R)
• M2: 527,482 km (0.062 R)
• M3: 1,079,049 km (0.114 R)
• M4: 1,488,499 km (0.056 R)
• M5: 2,315,625 km (0.066 R)
• M6: 2,812,440 km (0.088 R)
• M7: 3,332,293 km (0.076 R)
• M8: 3,725,286 km (0.042 R)
• M9: 4,585,923 km (0.115 R)
• M10: 5,597,055 km (0.046 R)
• M11: 6,301,062 km (0.105 R)
• M12: 7,142,700 km (0.063 R)
• M13: 7,576,983 km (0.109 R)
• M14: 8,438,965 km (0.094 R)
• M15: 9,754,380 km (0.064 R)
• M16: 10,495,637 km (0.081 R)
• M17: 10,880,253 km (0.055 R)
• M18: 12,014,953 km (0.101 R)
• M19: 12,787,925 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 12.5

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.94 AU - 3.86 AU

Year: 4327 Days

Day: 14.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,400,824 km

• M1: 158,125 km (0.083 R)
• M2: 574,905 km (0.052 R)
• M3: 1,182,422 km (0.083 R)
• M4: 1,763,759 km (0.053 R)
• M5: 2,185,924 km (0.088 R)
• M6: 2,578,918 km (0.096 R)
• M7: 3,109,990 km (0.042 R)
• M8: 4,417,476 km (0.073 R)
• M9: 7,104,852 km (0.117 R)
• M10: 8,443,154 km (0.032 R)
• M11: 9,701,572 km (0.118 R)
• M12: 10,396,753 km (0.052 R)
• M13: 11,479,243 km (0.115 R)
• M14: 12,972,828 km (0.102 R)
• M15: 14,644,884 km (0.077 R)
• M16: 19,288,102 km (0.117 R)
• M17: 20,060,177 km (0.105 R)
• M18: 21,941,819 km (0.094 R)
• M19: 22,359,945 km (0.071 R)
• M20: 23,865,199 km (0.06 R)
• M21: 25,898,533 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 12.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.32 AU - 4.7 AU

Year: 5543 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,400,824 km

• M1: 151,393 km (0.1 R)
• M2: 529,726 km (0.051 R)
• M3: 973,733 km (0.04 R)
• M4: 1,892,563 km (0.103 R)
• M5: 2,358,859 km (0.087 R)
• M6: 3,805,770 km (0.1 R)
• M7: 4,733,576 km (0.107 R)
• M8: 5,488,447 km (0.059 R)
• M9: 6,447,818 km (0.041 R)
• M10: 7,981,944 km (0.067 R)
• M11: 9,580,098 km (0.092 R)
• M12: 11,569,451 km (0.049 R)
• M13: 11,998,198 km (0.118 R)
• M14: 13,296,857 km (0.057 R)
• M15: 14,303,651 km (0.118 R)
• M16: 15,021,272 km (0.117 R)
• M17: 16,054,544 km (0.109 R)
• M18: 17,134,342 km (0.109 R)
• M19: 18,390,365 km (0.106 R)
• M20: 19,106,939 km (0.07 R)
• M21: 21,226,442 km (0.115 R)
• M22: 22,379,841 km (0.111 R)
• M23: 23,046,599 km (0.096 R)
• M24: 25,365,516 km (0.12 R)
• M25: 29,041,883 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.1

Radius: 3.5

Gravity: 51.93 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.99 AU - 8.05 AU

Year: 11492 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,400,824 km

• M1: 44,281 km (0.098 R)
• M2: 196,572 km (0.097 R)
• M3: 761,004 km (0.102 R)
• M4: 1,180,926 km (0.081 R)
• M5: 2,337,018 km (0.04 R)
• M6: 6,528,451 km (0.116 R)
• M7: 6,964,230 km (0.119 R)
• M8: 7,251,458 km (0.092 R)
• M9: 9,046,034 km (0.099 R)
• M10: 10,679,194 km (0.071 R)
• M11: 15,599,767 km (0.086 R)
• M12: 17,252,374 km (0.069 R)
• M13: 17,626,519 km (0.1 R)
• M14: 23,264,563 km (0.089 R)
• M15: 36,426,034 km (0.111 R)
• M16: 38,292,567 km (0.096 R)
• M17: 38,800,751 km (0.093 R)
• M18: 43,994,490 km (0.074 R)
• M19: 46,684,708 km (0.093 R)
• M20: 48,143,587 km (0.091 R)
• M21: 49,033,395 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.5

Radius: 5.4

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.12 AU - 8.4 AU

Year: 13503 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 68.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,400,824 km

• M1: 68,067 km (0.075 R)
• M2: 699,669 km (0.109 R)
• M3: 875,297 km (0.031 R)
• M4: 1,604,886 km (0.101 R)
• M5: 1,948,961 km (0.107 R)
• M6: 2,229,008 km (0.096 R)
• M7: 3,914,827 km (0.072 R)
• M8: 7,038,729 km (0.111 R)
• M9: 15,121,802 km (0.117 R)
• M10: 18,485,210 km (0.11 R)
• M11: 19,815,285 km (0.079 R)
• M12: 20,957,465 km (0.099 R)
• M13: 25,300,590 km (0.102 R)
• M14: 25,966,301 km (0.1 R)
• M15: 36,309,348 km (0.059 R)
• M16: 37,034,150 km (0.06 R)
• M17: 39,014,227 km (0.106 R)
• M18: 39,647,176 km (0.116 R)
• M19: 42,914,842 km (0.119 R)
• M20: 47,210,395 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.7

Radius: 3.6

Gravity: 71.35 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.07 AU - 10.11 AU

Year: 17378 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,400,824 km

• M1: 44,730 km (0.1 R)
• M2: 190,737 km (0.098 R)
• M3: 447,896 km (0.095 R)
• M4: 694,433 km (0.059 R)
• M5: 816,056 km (0.074 R)
• M6: 951,742 km (0.111 R)
• M7: 1,421,030 km (0.043 R)
• M8: 1,653,655 km (0.101 R)
• M9: 2,896,215 km (0.092 R)
• M10: 6,171,810 km (0.096 R)
• M11: 8,561,037 km (0.093 R)
• M12: 10,805,155 km (0.069 R)
• M13: 11,181,992 km (0.111 R)
• M14: 11,437,954 km (0.068 R)
• M15: 11,697,805 km (0.072 R)
• M16: 14,068,483 km (0.063 R)
• M17: 15,209,017 km (0.094 R)
• M18: 15,682,046 km (0.072 R)
• M19: 16,574,696 km (0.034 R)
• M20: 16,823,926 km (0.066 R)
• M21: 18,107,476 km (0.066 R)
• M22: 20,200,200 km (0.104 R)
• M23: 22,046,089 km (0.107 R)
• M24: 25,294,158 km (0.1 R)
• M25: 26,860,148 km (0.108 R)
• M26: 28,135,021 km (0.025 R)
• M27: 32,329,745 km (0.111 R)
• M28: 33,506,033 km (0.084 R)
• M29: 35,392,014 km (0.064 R)
• M30: 35,667,124 km (0.102 R)
• M31: 40,564,061 km (0.085 R)
• M32: 43,960,531 km (0.113 R)
• M33: 53,450,422 km (0.078 R)
• M34: 68,601,096 km (0.048 R)
• M35: 71,412,339 km (0.114 R)
• M36: 71,851,409 km (0.227 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.5

Radius: 3

Gravity: 80.72 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.24 AU - 11.58 AU

Year: 19925 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,400,824 km

• M1: 37,998 km (0.064 R)
• M2: 410,796 km (0.107 R)
• M3: 665,561 km (0.076 R)
• M4: 1,509,891 km (0.104 R)
• M5: 2,364,394 km (0.056 R)
• M6: 3,214,110 km (0.118 R)
• M7: 3,955,966 km (0.085 R)
• M8: 4,182,607 km (0.082 R)
• M9: 5,976,136 km (0.096 R)
• M10: 8,224,143 km (0.051 R)
• M11: 8,700,463 km (0.066 R)
• M12: 8,863,225 km (0.099 R)
• M13: 10,239,376 km (0.112 R)
• M14: 11,425,089 km (0.068 R)
• M15: 13,478,469 km (0.076 R)
• M16: 16,333,544 km (0.1 R)
• M17: 17,945,013 km (0.052 R)
• M18: 18,924,879 km (0.114 R)
• M19: 21,578,745 km (0.113 R)
• M20: 23,619,409 km (0.114 R)
• M21: 27,377,009 km (0.03 R)
• M22: 27,609,783 km (0.1 R)
• M23: 28,434,516 km (0.086 R)
• M24: 29,397,029 km (0.052 R)
• M25: 29,641,023 km (0.115 R)
• M26: 32,026,660 km (0.046 R)
• M27: 42,849,318 km (0.093 R)
• M28: 44,113,121 km (0.096 R)
• M29: 52,221,026 km (0.07 R)
• M30: 54,209,332 km (0.093 R)
• M31: 55,314,860 km (0.034 R)
• M32: 57,190,668 km (0.101 R)
• M33: 61,864,554 km (0.11 R)
• M34: 62,466,087 km (0.054 R)
• M35: 68,483,661 km (0.071 R)
• M36: 76,706,607 km (0.07 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 16,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit