🌌 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: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 12.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.67 AU - 1.01 AU

Year: 505 Days

Day: 11.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,784,388 km

• M1: 150,495 km (0.112 R)
• M2: 540,348 km (0.116 R)
• M3: 958,174 km (0.053 R)
• M4: 1,397,693 km (0.047 R)
• M5: 2,368,733 km (0.048 R)
• M6: 3,400,958 km (0.037 R)
• M7: 3,914,527 km (0.101 R)
• M8: 4,439,317 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 8.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1 AU - 1.2 AU

Year: 757 Days

Day: 6 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,784,388 km

• M1: 106,065 km (0.094 R)
• M2: 388,954 km (0.106 R)
• M3: 655,987 km (0.065 R)
• M4: 923,019 km (0.099 R)
• M5: 1,255,126 km (0.097 R)
• M6: 2,658,803 km (0.057 R)
• M7: 2,987,320 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.3

Radius: 10.4

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.06 AU - 1.36 AU

Year: 873 Days

Day: 10 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,784,388 km

• M1: 129,552 km (0.113 R)
• M2: 508,184 km (0.118 R)
• M3: 981,512 km (0.076 R)
• M4: 2,003,564 km (0.117 R)
• M5: 2,772,497 km (0.078 R)
• M6: 3,625,804 km (0.053 R)
• M7: 4,560,641 km (0.097 R)
• M8: 4,888,110 km (0.095 R)
• M9: 5,212,887 km (0.089 R)
• M10: 5,707,608 km (0.113 R)
• M11: 6,317,219 km (0.092 R)
• M12: 6,835,576 km (0.079 R)
• M13: 7,499,640 km (0.118 R)
• M14: 7,982,243 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 9.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.03 AU - 1.49 AU

Year: 928 Days

Day: 7.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,784,388 km

• M1: 120,576 km (0.102 R)
• M2: 516,412 km (0.106 R)
• M3: 906,862 km (0.106 R)
• M4: 1,333,366 km (0.053 R)
• M5: 3,107,447 km (0.096 R)
• M6: 3,563,421 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.1

Radius: 14

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.54 AU - 3.1 AU

Year: 3107 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,784,388 km

• M1: 174,730 km (0.051 R)
• M2: 646,412 km (0.054 R)
• M3: 1,336,657 km (0.099 R)
• M4: 2,015,981 km (0.086 R)
• M5: 2,601,208 km (0.085 R)
• M6: 3,209,622 km (0.075 R)
• M7: 4,076,841 km (0.038 R)
• M8: 4,577,695 km (0.119 R)
• M9: 5,343,337 km (0.066 R)
• M10: 5,999,772 km (0.096 R)
• M11: 7,130,882 km (0.111 R)
• M12: 9,400,281 km (0.12 R)
• M13: 9,929,409 km (0.083 R)
• M14: 12,116,081 km (0.1 R)
• M15: 13,158,479 km (0.114 R)
• M16: 14,557,070 km (0.077 R)
• M17: 15,164,138 km (0.052 R)
• M18: 17,762,503 km (0.119 R)
• M19: 18,691,057 km (0.047 R)
• M20: 20,645,254 km (0.047 R)
• M21: 21,933,591 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.9

Radius: 12.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.55 AU - 4.07 AU

Year: 3950 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,784,388 km

• M1: 156,031 km (0.045 R)
• M2: 556,953 km (0.094 R)
• M3: 1,018,462 km (0.112 R)
• M4: 1,931,309 km (0.079 R)
• M5: 2,438,445 km (0.057 R)
• M6: 5,321,944 km (0.091 R)
• M7: 5,890,715 km (0.116 R)
• M8: 6,760,926 km (0.078 R)
• M9: 7,150,629 km (0.085 R)
• M10: 11,877,323 km (0.082 R)
• M11: 15,160,099 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 12.5

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.13 AU - 5.51 AU

Year: 6942 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,784,388 km

• M1: 157,975 km (0.093 R)
• M2: 681,119 km (0.05 R)
• M3: 1,495,231 km (0.038 R)
• M4: 1,937,143 km (0.082 R)
• M5: 2,947,078 km (0.07 R)
• M6: 5,279,458 km (0.037 R)
• M7: 6,392,766 km (0.053 R)
• M8: 7,815,591 km (0.046 R)
• M9: 9,715,634 km (0.057 R)
• M10: 11,642,155 km (0.059 R)
• M11: 13,403,670 km (0.102 R)
• M12: 14,469,405 km (0.094 R)
• M13: 17,311,615 km (0.087 R)
• M14: 18,006,049 km (0.089 R)
• M15: 20,815,945 km (0.061 R)
• M16: 28,613,435 km (0.086 R)
• M17: 32,525,569 km (0.081 R)
• M18: 34,228,890 km (0.106 R)
• M19: 37,237,004 km (0.118 R)
• M20: 40,055,129 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.1

Radius: 3

Gravity: 70.9 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.86 AU - 9.74 AU

Year: 14291 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 36,784,388 km

• M1: 37,399 km (0.098 R)
• M2: 186,549 km (0.099 R)
• M3: 294,409 km (0.103 R)
• M4: 541,245 km (0.109 R)
• M5: 635,492 km (0.057 R)
• M6: 837,449 km (0.073 R)
• M7: 1,056,610 km (0.119 R)
• M8: 1,738,028 km (0.114 R)
• M9: 2,604,050 km (0.109 R)
• M10: 3,043,868 km (0.05 R)
• M11: 3,640,165 km (0.111 R)
• M12: 4,068,613 km (0.11 R)
• M13: 4,188,292 km (0.056 R)
• M14: 5,232,634 km (0.087 R)
• M15: 5,739,771 km (0.091 R)
• M16: 7,727,029 km (0.12 R)
• M17: 8,239,552 km (0.082 R)
• M18: 9,177,530 km (0.118 R)
• M19: 10,075,117 km (0.059 R)
• M20: 10,686,075 km (0.1 R)
• M21: 13,181,218 km (0.087 R)
• M22: 16,262,635 km (0.039 R)
• M23: 17,492,479 km (0.094 R)
• M24: 18,049,581 km (0.082 R)
• M25: 22,007,492 km (0.071 R)
• M26: 26,402,678 km (0.11 R)
• M27: 28,859,524 km (0.107 R)
• M28: 31,581,307 km (0.109 R)
• M29: 33,124,559 km (0.107 R)
• M30: 35,469,356 km (0.076 R)
• M31: 38,319,943 km (0.055 R)
• M32: 38,586,377 km (0.111 R)
• M33: 39,393,308 km (0.04 R)
• M34: 40,348,640 km (0.107 R)
• M35: 42,733,081 km (0.118 R)
• M36: 48,866,444 km (0.099 R)
• M37: 56,934,556 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.2

Radius: 7.5

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.73 AU - 10.89 AU

Year: 20156 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,784,388 km

• M1: 94,247 km (0.078 R)
• M2: 373,845 km (0.088 R)
• M3: 716,125 km (0.093 R)
• M4: 1,006,794 km (0.12 R)
• M5: 1,748,650 km (0.05 R)
• M6: 2,090,780 km (0.058 R)
• M7: 2,389,078 km (0.105 R)
• M8: 3,092,637 km (0.113 R)
• M9: 3,595,286 km (0.099 R)
• M10: 3,854,240 km (0.102 R)
• M11: 4,100,478 km (0.104 R)
• M12: 4,597,591 km (0.107 R)
• M13: 5,463,464 km (0.025 R)
• M14: 5,743,361 km (0.098 R)
• M15: 9,666,566 km (0.04 R)
• M16: 9,938,834 km (0.111 R)
• M17: 10,737,986 km (0.097 R)
• M18: 14,543,456 km (0.104 R)
• M19: 14,841,156 km (0.063 R)
• M20: 16,199,804 km (0.105 R)
• M21: 17,371,454 km (0.089 R)
• M22: 19,664,790 km (0.09 R)
• M23: 20,102,363 km (0.116 R)
• M24: 25,959,419 km (0.06 R)
• M25: 29,416,028 km (0.106 R)
• M26: 30,860,994 km (0.087 R)
• M27: 35,694,650 km (0.063 R)
• M28: 36,784,321 km (0.065 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 11,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit