🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.54 AU - 0.7 AU

Year: 315 Days

Day: 38.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,341,371 km

• M1: 818,300 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.3

Radius: 13.1

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.61 AU - 0.83 AU

Year: 394 Days

Day: 7.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,341,371 km

• M1: 168,597 km (0.08 R)
• M2: 257,458 km (0.095 R)
• M3: 354,248 km (0.109 R)
• M4: 484,847 km (0.092 R)
• M5: 567,126 km (0.044 R)
• M6: 659,876 km (0.033 R)
• M7: 746,793 km (0.12 R)
• M8: 844,480 km (0.083 R)
• M9: 988,393 km (0.113 R)
• M10: 1,083,687 km (0.109 R)
• M11: 1,169,706 km (0.104 R)
• M12: 1,265,748 km (0.078 R)
• M13: 1,364,482 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.5

Radius: 9.6

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.65 AU - 0.93 AU

Year: 453 Days

Day: 7 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 22,341,371 km

• M1: 122,820 km (0.081 R)
• M2: 191,784 km (0.119 R)
• M3: 262,395 km (0.09 R)
• M4: 371,152 km (0.055 R)
• M5: 441,463 km (0.116 R)
• M6: 673,789 km (0.102 R)
• M7: 749,186 km (0.086 R)
• M8: 854,353 km (0.095 R)
• M9: 977,173 km (0.053 R)
• M10: 1,055,413 km (0.067 R)
• M11: 1,227,301 km (0.074 R)
• M12: 1,344,286 km (0.088 R)
• M13: 1,436,738 km (0.056 R)
• M14: 1,502,860 km (0.114 R)
• M15: 1,565,243 km (0.12 R)
• M16: 1,643,183 km (0.063 R)
• M17: 1,757,625 km (0.037 R)
• M18: 1,859,352 km (0.053 R)
• M19: 1,936,993 km (0.116 R)
• M20: 2,010,446 km (0.12 R)
• M21: 2,127,880 km (0.102 R)
• M22: 2,225,717 km (0.101 R)
• M23: 2,286,155 km (0.056 R)
• M24: 2,386,385 km (0.112 R)
• M25: 2,482,427 km (0.082 R)
• M26: 2,597,169 km (0.096 R)
• M27: 2,666,881 km (0.095 R)
• M28: 3,024,869 km (0.074 R)
• M29: 3,240,739 km (0.089 R)
• M30: 3,379,117 km (0.096 R)
• M31: 3,468,127 km (0.072 R)
• M32: 3,564,468 km (0.061 R)
• M33: 3,629,244 km (0.092 R)
• M34: 3,805,919 km (0.115 R)
• M35: 3,892,088 km (0.068 R)
• M36: 4,032,560 km (0.068 R)
• M37: 4,120,374 km (0.043 R)
• M38: 4,195,173 km (0.061 R)
• M39: 4,436,325 km (0.116 R)
• M40: 4,499,156 km (0.108 R)
• M41: 4,583,230 km (0.063 R)
• M42: 4,682,114 km (0.111 R)
• M43: 4,767,385 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.9

Radius: 8.6

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.93 AU - 1.37 AU

Year: 796 Days

Day: 14.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 22,341,371 km

• M1: 109,356 km (0.113 R)
• M2: 173,384 km (0.091 R)
• M3: 254,765 km (0.117 R)
• M4: 321,635 km (0.061 R)
• M5: 390,450 km (0.086 R)
• M6: 455,675 km (0.112 R)
• M7: 542,292 km (0.105 R)
• M8: 616,792 km (0.092 R)
• M9: 698,921 km (0.094 R)
• M10: 809,324 km (0.048 R)
• M11: 896,091 km (0.07 R)
• M12: 1,083,986 km (0.111 R)
• M13: 1,180,626 km (0.103 R)
• M14: 1,318,705 km (0.108 R)
• M15: 1,462,319 km (0.113 R)
• M16: 1,518,269 km (0.117 R)
• M17: 1,637,498 km (0.071 R)
• M18: 1,700,928 km (0.079 R)
• M19: 1,754,484 km (0.115 R)
• M20: 1,808,638 km (0.103 R)
• M21: 1,896,452 km (0.034 R)
• M22: 1,952,103 km (0.118 R)
• M23: 2,145,383 km (0.1 R)
• M24: 2,477,490 km (0.096 R)
• M25: 2,544,660 km (0.08 R)
• M26: 2,624,844 km (0.106 R)
• M27: 2,781,473 km (0.083 R)
• M28: 2,941,244 km (0.088 R)
• M29: 3,025,467 km (0.118 R)
• M30: 3,323,466 km (0.092 R)
• M31: 3,465,883 km (0.102 R)
• M32: 3,541,281 km (0.072 R)
• M33: 3,596,482 km (0.081 R)
• M34: 3,848,256 km (0.112 R)
• M35: 3,997,853 km (0.108 R)
• M36: 4,142,215 km (0.077 R)
• M37: 4,332,354 km (0.061 R)
• M38: 4,391,445 km (0.113 R)
• M39: 4,510,376 km (0.09 R)
• M40: 4,690,940 km (0.028 R)
• M41: 4,751,677 km (0.069 R)
• M42: 4,866,269 km (0.096 R)
• M43: 5,105,925 km (0.071 R)
• M44: 5,238,917 km (0.077 R)
• M45: 5,317,756 km (0.075 R)
• M46: 5,404,971 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.6

Radius: 11

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.98 AU - 1.42 AU

Year: 849 Days

Day: 12.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 22,341,371 km

• M1: 183,856 km (0.04 R)
• M2: 288,873 km (0.116 R)
• M3: 400,473 km (0.032 R)
• M4: 548,725 km (0.067 R)
• M5: 672,293 km (0.097 R)
• M6: 822,339 km (0.054 R)
• M7: 899,083 km (0.077 R)
• M8: 1,096,403 km (0.102 R)
• M9: 1,282,652 km (0.104 R)
• M10: 1,520,214 km (0.116 R)
• M11: 1,595,760 km (0.119 R)
• M12: 1,808,339 km (0.115 R)
• M13: 1,940,434 km (0.077 R)
• M14: 2,121,747 km (0.084 R)
• M15: 2,198,939 km (0.098 R)
• M16: 2,316,673 km (0.086 R)
• M17: 2,452,507 km (0.106 R)
• M18: 2,607,790 km (0.075 R)
• M19: 2,732,555 km (0.115 R)
• M20: 2,902,199 km (0.077 R)
• M21: 2,988,367 km (0.09 R)
• M22: 3,296,688 km (0.066 R)
• M23: 3,477,552 km (0.118 R)
• M24: 3,578,531 km (0.094 R)
• M25: 3,792,755 km (0.114 R)
• M26: 3,868,302 km (0.075 R)
• M27: 4,059,189 km (0.095 R)
• M28: 4,165,702 km (0.104 R)
• M29: 4,292,561 km (0.115 R)
• M30: 4,480,456 km (0.095 R)
• M31: 4,640,825 km (0.069 R)
• M32: 4,731,930 km (0.062 R)
• M33: 4,833,806 km (0.057 R)
• M34: 4,967,397 km (0.095 R)
• M35: 5,154,395 km (0.103 R)
• M36: 5,269,735 km (0.096 R)
• M37: 5,375,500 km (0.073 R)
• M38: 5,460,472 km (0.059 R)
• M39: 5,621,290 km (0.111 R)
• M40: 6,002,465 km (0.049 R)
• M41: 6,313,479 km (0.058 R)
• M42: 6,493,595 km (0.082 R)
• M43: 6,584,251 km (0.075 R)
• M44: 6,675,356 km (0.082 R)
• M45: 6,986,071 km (0.109 R)
• M46: 7,055,784 km (0.055 R)
• M47: 7,278,086 km (0.108 R)
• M48: 7,395,969 km (0.058 R)
• M49: 7,621,712 km (0.115 R)
• M50: 7,741,391 km (0.107 R)
• M51: 7,837,732 km (0.111 R)
• M52: 8,092,347 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 13.3

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.76 AU - 3.32 AU

Year: 3422 Days

Day: 9.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 172.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 22,341,371 km

• M1: 167,400 km (0.085 R)
• M2: 263,741 km (0.059 R)
• M3: 420,819 km (0.113 R)
• M4: 549,922 km (0.098 R)
• M5: 639,232 km (0.05 R)
• M6: 774,169 km (0.088 R)
• M7: 877,242 km (0.071 R)
• M8: 1,030,281 km (0.113 R)
• M9: 1,145,471 km (0.11 R)
• M10: 1,402,480 km (0.06 R)
• M11: 1,505,553 km (0.079 R)
• M12: 1,816,717 km (0.097 R)
• M13: 1,987,557 km (0.084 R)
• M14: 2,223,772 km (0.115 R)
• M15: 2,329,987 km (0.033 R)
• M16: 2,532,243 km (0.05 R)
• M17: 2,659,551 km (0.06 R)
• M18: 3,139,311 km (0.113 R)
• M19: 3,224,881 km (0.052 R)
• M20: 3,433,421 km (0.059 R)
• M21: 3,664,549 km (0.09 R)
• M22: 3,955,966 km (0.12 R)
• M23: 4,217,314 km (0.119 R)
• M24: 4,369,305 km (0.042 R)
• M25: 4,561,837 km (0.067 R)
• M26: 4,796,706 km (0.091 R)
• M27: 4,995,372 km (0.064 R)
• M28: 5,278,262 km (0.081 R)
• M29: 5,483,660 km (0.099 R)
• M30: 5,754,432 km (0.115 R)
• M31: 5,838,805 km (0.087 R)
• M32: 6,008,598 km (0.095 R)
• M33: 6,115,411 km (0.034 R)
• M34: 6,396,506 km (0.117 R)
• M35: 7,702,046 km (0.116 R)
• M36: 7,818,434 km (0.085 R)
• M37: 8,076,490 km (0.061 R)
• M38: 8,385,110 km (0.11 R)
• M39: 8,818,944 km (0.053 R)
• M40: 9,161,523 km (0.107 R)
• M41: 9,483,458 km (0.048 R)
• M42: 9,683,470 km (0.116 R)
• M43: 9,935,543 km (0.071 R)
• M44: 10,036,970 km (0.032 R)
• M45: 10,292,034 km (0.065 R)
• M46: 10,497,582 km (0.073 R)
• M47: 10,626,834 km (0.086 R)
• M48: 11,572,742 km (0.073 R)
• M49: 12,327,164 km (0.111 R)
• M50: 12,490,824 km (0.085 R)
• M51: 13,572,716 km (0.118 R)
• M52: 14,053,673 km (0.069 R)
• M53: 14,916,254 km (0.04 R)
• M54: 15,149,028 km (0.063 R)
• M55: 15,266,014 km (0.027 R)
• M56: 15,530,204 km (0.087 R)
• M57: 16,361,669 km (0.085 R)
• M58: 16,752,568 km (0.098 R)
• M59: 16,903,811 km (0.117 R)
• M60: 16,994,767 km (0.097 R)
• M61: 17,513,124 km (0.049 R)
• M62: 17,697,428 km (0.084 R)
• M63: 17,820,547 km (0.044 R)
• M64: 18,067,832 km (0.032 R)
• M65: 18,253,932 km (0.065 R)
• M66: 18,440,780 km (0.109 R)
• M67: 19,861,960 km (0.102 R)
• M68: 20,150,384 km (0.117 R)
• M69: 20,796,498 km (0.103 R)
• M70: 21,122,023 km (0.085 R)
• M71: 21,449,343 km (0.102 R)
• M72: 21,844,281 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 11,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit