🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.3

Radius: 12.3

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.53 AU - 0.53 AU

Year: 271 Days

Day: 13.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 88,146,506 km

• M1: 153,039 km (0.114 R)
• M2: 568,622 km (0.079 R)
• M3: 975,977 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.2

Radius: 11.9

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.35 AU - 2.15 AU

Year: 1627 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,146,506 km

• M1: 148,850 km (0.078 R)
• M2: 673,639 km (0.09 R)
• M3: 1,044,343 km (0.108 R)
• M4: 1,745,209 km (0.106 R)
• M5: 2,308,295 km (0.081 R)
• M6: 2,891,128 km (0.11 R)
• M7: 3,348,150 km (0.071 R)
• M8: 3,870,546 km (0.103 R)
• M9: 4,484,944 km (0.111 R)
• M10: 5,397,042 km (0.098 R)
• M11: 6,332,029 km (0.045 R)
• M12: 7,186,682 km (0.047 R)
• M13: 7,890,988 km (0.093 R)
• M14: 8,434,328 km (0.061 R)
• M15: 10,552,335 km (0.086 R)
• M16: 11,607,299 km (0.075 R)
• M17: 12,462,699 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.2

Radius: 8.2

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.7 AU - 1.82 AU

Year: 1641 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,146,506 km

• M1: 112,049 km (0.111 R)
• M2: 376,837 km (0.058 R)
• M3: 835,055 km (0.096 R)
• M4: 2,035,129 km (0.078 R)
• M5: 2,336,719 km (0.104 R)
• M6: 3,224,582 km (0.108 R)
• M7: 3,890,442 km (0.052 R)
• M8: 4,210,432 km (0.087 R)
• M9: 4,490,479 km (0.064 R)
• M10: 4,923,864 km (0.105 R)
• M11: 5,559,356 km (0.073 R)
• M12: 6,106,286 km (0.077 R)
• M13: 6,688,521 km (0.087 R)
• M14: 7,018,982 km (0.054 R)
• M15: 7,440,699 km (0.089 R)
• M16: 8,306,123 km (0.105 R)
• M17: 8,628,656 km (0.107 R)
• M18: 9,647,118 km (0.096 R)
• M19: 10,036,671 km (0.117 R)
• M20: 11,127,090 km (0.07 R)
• M21: 12,144,206 km (0.086 R)
• M22: 12,946,649 km (0.078 R)
• M23: 13,341,138 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 13.5

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.31 AU - 6.55 AU

Year: 8894 Days

Day: 5.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,146,506 km

• M1: 168,447 km (0.028 R)
• M2: 613,351 km (0.072 R)
• M3: 1,216,679 km (0.113 R)
• M4: 1,980,077 km (0.072 R)
• M5: 4,660,871 km (0.033 R)
• M6: 5,289,033 km (0.101 R)
• M7: 5,973,144 km (0.066 R)
• M8: 7,090,490 km (0.107 R)
• M9: 7,882,312 km (0.107 R)
• M10: 11,493,006 km (0.098 R)
• M11: 13,042,990 km (0.107 R)
• M12: 17,311,466 km (0.108 R)
• M13: 20,261,386 km (0.065 R)
• M14: 26,668,663 km (0.095 R)
• M15: 27,805,607 km (0.072 R)
• M16: 28,679,408 km (0.067 R)
• M17: 32,358,319 km (0.085 R)
• M18: 38,569,473 km (0.035 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.7

Radius: 4.7

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.43 AU - 9.83 AU

Year: 16295 Days

Day: 21.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 88,146,506 km

• M1: 60,138 km (0.076 R)
• M2: 213,925 km (0.118 R)
• M3: 425,307 km (0.081 R)
• M4: 927,806 km (0.081 R)
• M5: 1,566,439 km (0.039 R)
• M6: 1,961,976 km (0.117 R)
• M7: 2,478,687 km (0.092 R)
• M8: 2,676,306 km (0.109 R)
• M9: 2,842,060 km (0.074 R)
• M10: 3,171,475 km (0.073 R)
• M11: 3,550,257 km (0.099 R)
• M12: 5,404,971 km (0.119 R)
• M13: 5,603,338 km (0.079 R)
• M14: 6,085,193 km (0.1 R)
• M15: 7,532,253 km (0.088 R)
• M16: 9,240,810 km (0.091 R)
• M17: 9,524,747 km (0.074 R)
• M18: 10,719,286 km (0.081 R)
• M19: 11,191,866 km (0.075 R)
• M20: 11,788,163 km (0.118 R)
• M21: 13,341,288 km (0.105 R)
• M22: 15,286,808 km (0.119 R)
• M23: 15,484,576 km (0.08 R)
• M24: 17,128,657 km (0.05 R)
• M25: 18,066,187 km (0.064 R)
• M26: 19,651,924 km (0.118 R)
• M27: 21,083,127 km (0.033 R)
• M28: 23,184,080 km (0.075 R)
• M29: 26,638,444 km (0.093 R)
• M30: 28,887,648 km (0.091 R)
• M31: 33,648,301 km (0.092 R)
• M32: 36,978,200 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86.5

Radius: 5.4

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.5 AU - 9.02 AU

Year: 16687 Days

Day: 21.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,146,506 km

• M1: 67,917 km (0.113 R)
• M2: 362,326 km (0.087 R)
• M3: 1,552,377 km (0.055 R)
• M4: 3,685,792 km (0.101 R)
• M5: 7,959,504 km (0.084 R)
• M6: 10,222,322 km (0.042 R)
• M7: 20,802,930 km (0.099 R)
• M8: 21,844,580 km (0.114 R)
• M9: 24,273,750 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.5

Radius: 6.3

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.98 AU - 10.04 AU

Year: 17450 Days

Day: 15.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,146,506 km

• M1: 79,586 km (0.089 R)
• M2: 382,971 km (0.057 R)
• M3: 743,352 km (0.088 R)
• M4: 1,134,401 km (0.112 R)
• M5: 1,639,892 km (0.096 R)
• M6: 2,019,571 km (0.092 R)
• M7: 2,230,504 km (0.081 R)
• M8: 2,456,247 km (0.102 R)
• M9: 3,180,301 km (0.048 R)
• M10: 4,639,628 km (0.116 R)
• M11: 5,465,259 km (0.08 R)
• M12: 9,176,034 km (0.109 R)
• M13: 11,766,471 km (0.039 R)
• M14: 12,512,366 km (0.109 R)
• M15: 14,417,495 km (0.083 R)
• M16: 15,137,659 km (0.097 R)
• M17: 28,999,846 km (0.092 R)
• M18: 38,151,496 km (0.045 R)
• M19: 44,528,255 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.5

Radius: 7.2

Gravity: 15.9 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.07 AU - 11.23 AU

Year: 22730 Days

Day: 24.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,146,506 km

• M1: 93,648 km (0.114 R)
• M2: 392,694 km (0.091 R)
• M3: 712,834 km (0.054 R)
• M4: 1,105,977 km (0.064 R)
• M5: 1,549,684 km (0.045 R)
• M6: 1,881,193 km (0.106 R)
• M7: 2,789,701 km (0.045 R)
• M8: 3,056,883 km (0.076 R)
• M9: 4,622,574 km (0.107 R)
• M10: 6,292,685 km (0.087 R)
• M11: 10,385,982 km (0.059 R)
• M12: 13,955,387 km (0.049 R)
• M13: 15,636,717 km (0.113 R)
• M14: 21,279,699 km (0.099 R)
• M15: 21,794,914 km (0.106 R)
• M16: 23,173,159 km (0.11 R)
• M17: 27,899,853 km (0.11 R)
• M18: 28,641,410 km (0.108 R)
• M19: 29,778,204 km (0.076 R)
• M20: 32,276,638 km (0.1 R)
• M21: 39,204,067 km (0.055 R)
• M22: 39,667,222 km (0.056 R)
• M23: 40,447,225 km (0.109 R)
• M24: 42,523,344 km (0.083 R)
• M25: 47,583,343 km (0.077 R)
• M26: 48,819,171 km (0.056 R)
• M27: 49,895,378 km (0.117 R)
• M28: 60,508,000 km (0.097 R)
• M29: 61,749,363 km (0.05 R)
• M30: 63,219,163 km (0.087 R)
• M31: 64,283,103 km (0.058 R)
• M32: 69,331,432 km (0.041 R)
• M33: 71,606,367 km (0.081 R)
• M34: 80,208,394 km (0.037 R)
• M35: 83,987,087 km (0.082 R)
• M36: 87,094,085 km (0.11 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: 364 - 18,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit