🌌 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: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.52 AU - 0.72 AU

Year: 315 Days

Day: 24.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.52 AU - 0.82 AU

Year: 354 Days

Day: 26.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 14,884,243 km

• M1: 147,354 km (0.11 R)
• M2: 291,267 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 9.8

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.62 AU - 0.89 AU

Year: 419 Days

Day: 14.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 14,884,243 km

• M1: 124,017 km (0.071 R)
• M2: 195,824 km (0.095 R)
• M3: 264,040 km (0.071 R)
• M4: 327,919 km (0.036 R)
• M5: 392,844 km (0.109 R)
• M6: 487,988 km (0.088 R)
• M7: 561,441 km (0.073 R)
• M8: 647,460 km (0.115 R)
• M9: 717,322 km (0.059 R)
• M10: 820,694 km (0.025 R)
• M11: 1,033,721 km (0.093 R)
• M12: 1,097,300 km (0.092 R)
• M13: 1,202,916 km (0.116 R)
• M14: 1,275,322 km (0.12 R)
• M15: 1,343,838 km (0.093 R)
• M16: 1,413,849 km (0.045 R)
• M17: 1,496,128 km (0.1 R)
• M18: 1,608,476 km (0.089 R)
• M19: 1,706,164 km (0.047 R)
• M20: 1,799,962 km (0.08 R)
• M21: 1,871,619 km (0.113 R)
• M22: 1,944,174 km (0.094 R)
• M23: 2,061,010 km (0.091 R)
• M24: 2,148,674 km (0.102 R)
• M25: 2,212,104 km (0.063 R)
• M26: 2,314,877 km (0.095 R)
• M27: 2,505,316 km (0.048 R)
• M28: 2,572,186 km (0.034 R)
• M29: 2,666,881 km (0.111 R)
• M30: 2,755,892 km (0.115 R)
• M31: 2,859,713 km (0.078 R)
• M32: 2,986,273 km (0.103 R)
• M33: 3,050,151 km (0.042 R)
• M34: 3,114,628 km (0.12 R)
• M35: 3,179,404 km (0.051 R)
• M36: 3,244,778 km (0.062 R)
• M37: 3,391,683 km (0.117 R)
• M38: 3,608,450 km (0.085 R)
• M39: 3,684,296 km (0.116 R)
• M40: 3,799,188 km (0.112 R)
• M41: 3,876,380 km (0.079 R)
• M42: 4,119,028 km (0.112 R)
• M43: 4,206,393 km (0.106 R)
• M44: 4,366,762 km (0.116 R)
• M45: 4,455,773 km (0.086 R)
• M46: 4,570,065 km (0.115 R)
• M47: 4,710,089 km (0.106 R)
• M48: 4,943,910 km (0.089 R)
• M49: 5,062,392 km (0.061 R)
• M50: 5,215,879 km (0.08 R)
• M51: 5,293,221 km (0.084 R)
• M52: 5,414,396 km (0.107 R)
• M53: 5,492,785 km (0.11 R)
• M54: 5,589,126 km (0.073 R)
• M55: 5,899,242 km (0.112 R)
• M56: 6,106,136 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 10.4

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.72 AU - 0.86 AU

Year: 453 Days

Day: 12.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 14,884,243 km

• M1: 132,095 km (0.081 R)
• M2: 217,067 km (0.062 R)
• M3: 365,318 km (0.117 R)
• M4: 501,003 km (0.104 R)
• M5: 577,897 km (0.095 R)
• M6: 687,851 km (0.103 R)
• M7: 792,570 km (0.105 R)
• M8: 1,120,638 km (0.12 R)
• M9: 1,246,300 km (0.103 R)
• M10: 1,355,656 km (0.048 R)
• M11: 1,501,065 km (0.057 R)
• M12: 1,606,681 km (0.109 R)
• M13: 1,686,118 km (0.108 R)
• M14: 1,790,238 km (0.066 R)
• M15: 1,855,014 km (0.082 R)
• M16: 2,011,194 km (0.099 R)
• M17: 2,178,295 km (0.11 R)
• M18: 2,253,991 km (0.052 R)
• M19: 2,401,644 km (0.104 R)
• M20: 2,599,113 km (0.061 R)
• M21: 2,666,133 km (0.115 R)
• M22: 2,767,860 km (0.118 R)
• M23: 2,836,376 km (0.119 R)
• M24: 3,159,058 km (0.104 R)
• M25: 3,346,804 km (0.038 R)
• M26: 3,464,088 km (0.119 R)
• M27: 3,553,099 km (0.043 R)
• M28: 3,642,708 km (0.098 R)
• M29: 3,801,581 km (0.086 R)
• M30: 3,947,289 km (0.104 R)
• M31: 4,032,560 km (0.036 R)
• M32: 4,102,722 km (0.078 R)
• M33: 4,268,027 km (0.114 R)
• M34: 4,347,613 km (0.075 R)
• M35: 4,451,733 km (0.113 R)
• M36: 4,736,418 km (0.115 R)
• M37: 4,843,530 km (0.119 R)
• M38: 4,951,690 km (0.095 R)
• M39: 5,060,447 km (0.069 R)
• M40: 5,246,547 km (0.095 R)
• M41: 5,452,094 km (0.102 R)
• M42: 5,616,802 km (0.116 R)
• M43: 5,783,154 km (0.086 R)
• M44: 5,889,070 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.1

Radius: 10.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.75 AU - 0.97 AU

Year: 515 Days

Day: 8.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,884,243 km

• M1: 144,212 km (0.09 R)
• M2: 210,634 km (0.098 R)
• M3: 290,818 km (0.053 R)
• M4: 391,049 km (0.05 R)
• M5: 467,493 km (0.088 R)
• M6: 536,608 km (0.057 R)
• M7: 659,727 km (0.085 R)
• M8: 784,192 km (0.105 R)
• M9: 955,781 km (0.092 R)
• M10: 1,122,134 km (0.109 R)
• M11: 1,323,044 km (0.118 R)
• M12: 1,443,619 km (0.114 R)
• M13: 1,573,919 km (0.07 R)
• M14: 1,642,136 km (0.096 R)
• M15: 1,947,315 km (0.097 R)
• M16: 2,174,106 km (0.026 R)
• M17: 2,270,596 km (0.083 R)
• M18: 2,344,947 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.4

Radius: 13.7

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.9 AU - 0.9 AU

Year: 551 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 14,884,243 km

• M1: 180,415 km (0.111 R)
• M2: 274,063 km (0.109 R)
• M3: 390,002 km (0.082 R)
• M4: 487,091 km (0.033 R)
• M5: 578,046 km (0.111 R)
• M6: 709,094 km (0.083 R)
• M7: 796,459 km (0.051 R)
• M8: 888,013 km (0.116 R)
• M9: 1,038,359 km (0.039 R)
• M10: 1,163,123 km (0.098 R)
• M11: 1,281,156 km (0.086 R)
• M12: 1,530,237 km (0.074 R)
• M13: 1,621,342 km (0.091 R)
• M14: 1,816,118 km (0.109 R)
• M15: 1,990,549 km (0.084 R)
• M16: 2,170,665 km (0.11 R)
• M17: 2,363,946 km (0.11 R)
• M18: 2,539,723 km (0.109 R)
• M19: 2,649,079 km (0.094 R)
• M20: 2,767,860 km (0.084 R)
• M21: 2,872,279 km (0.106 R)
• M22: 3,044,017 km (0.12 R)
• M23: 3,185,537 km (0.088 R)
• M24: 3,354,882 km (0.087 R)
• M25: 3,475,159 km (0.027 R)
• M26: 3,890,143 km (0.119 R)
• M27: 4,016,703 km (0.052 R)
• M28: 4,227,935 km (0.088 R)
• M29: 4,358,384 km (0.055 R)
• M30: 4,613,598 km (0.094 R)
• M31: 4,699,916 km (0.054 R)
• M32: 4,786,683 km (0.051 R)
• M33: 4,893,346 km (0.1 R)
• M34: 5,109,366 km (0.057 R)
• M35: 5,248,492 km (0.035 R)
• M36: 5,439,379 km (0.084 R)
• M37: 5,540,806 km (0.106 R)
• M38: 5,735,134 km (0.118 R)
• M39: 5,848,828 km (0.041 R)
• M40: 6,025,802 km (0.115 R)
• M41: 6,503,169 km (0.108 R)
• M42: 6,784,712 km (0.081 R)
• M43: 6,872,077 km (0.063 R)
• M44: 7,059,075 km (0.095 R)
• M45: 7,225,577 km (0.106 R)
• M46: 7,325,957 km (0.113 R)
• M47: 7,438,156 km (0.087 R)
• M48: 7,584,911 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.2

Radius: 11.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.03 AU - 1.11 AU

Year: 715 Days

Day: 12.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 14,884,243 km

• M1: 146,008 km (0.108 R)
• M2: 274,662 km (0.1 R)
• M3: 446,250 km (0.026 R)
• M4: 532,568 km (0.068 R)
• M5: 642,672 km (0.118 R)
• M6: 734,526 km (0.11 R)
• M7: 836,102 km (0.041 R)
• M8: 1,070,373 km (0.072 R)
• M9: 1,155,195 km (0.089 R)
• M10: 1,275,771 km (0.085 R)
• M11: 1,377,796 km (0.073 R)
• M12: 1,512,285 km (0.104 R)
• M13: 1,602,343 km (0.109 R)
• M14: 1,731,895 km (0.102 R)
• M15: 1,826,440 km (0.109 R)
• M16: 1,935,946 km (0.106 R)
• M17: 2,141,494 km (0.037 R)
• M18: 2,298,571 km (0.071 R)
• M19: 2,481,081 km (0.062 R)
• M20: 2,566,800 km (0.099 R)
• M21: 3,110,738 km (0.107 R)
• M22: 3,226,976 km (0.115 R)
• M23: 3,519,888 km (0.086 R)
• M24: 3,592,443 km (0.118 R)
• M25: 3,690,131 km (0.116 R)
• M26: 3,821,627 km (0.04 R)
• M27: 3,921,259 km (0.103 R)
• M28: 4,097,785 km (0.102 R)
• M29: 4,242,745 km (0.061 R)
• M30: 4,380,674 km (0.067 R)
• M31: 4,555,255 km (0.048 R)
• M32: 4,661,170 km (0.078 R)
• M33: 4,758,858 km (0.058 R)
• M34: 4,947,501 km (0.03 R)
• M35: 5,138,537 km (0.088 R)
• M36: 5,313,567 km (0.075 R)
• M37: 5,490,541 km (0.047 R)
• M38: 5,584,489 km (0.114 R)
• M39: 5,660,035 km (0.095 R)
• M40: 5,764,604 km (0.114 R)
• M41: 5,898,494 km (0.086 R)
• M42: 6,004,410 km (0.093 R)
• M43: 6,110,923 km (0.11 R)
• M44: 6,237,782 km (0.114 R)
• M45: 6,513,790 km (0.103 R)
• M46: 6,703,481 km (0.097 R)
• M47: 6,864,597 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 10.6

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.77 AU - 1.99 AU

Year: 1664 Days

Day: 10.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 14,884,243 km

• M1: 135,536 km (0.086 R)
• M2: 204,650 km (0.079 R)
• M3: 393,442 km (0.119 R)
• M4: 598,391 km (0.079 R)
• M5: 670,049 km (0.108 R)
• M6: 752,776 km (0.103 R)
• M7: 1,296,266 km (0.043 R)
• M8: 1,392,457 km (0.1 R)
• M9: 1,727,407 km (0.097 R)
• M10: 1,855,462 km (0.102 R)
• M11: 2,009,099 km (0.084 R)
• M12: 2,201,482 km (0.081 R)
• M13: 2,399,999 km (0.049 R)
• M14: 2,531,645 km (0.069 R)
• M15: 2,629,033 km (0.062 R)
• M16: 2,814,834 km (0.065 R)
• M17: 2,903,096 km (0.066 R)
• M18: 3,017,838 km (0.108 R)
• M19: 3,095,330 km (0.086 R)
• M20: 3,305,066 km (0.089 R)
• M21: 3,425,193 km (0.064 R)
• M22: 3,492,512 km (0.111 R)
• M23: 3,766,426 km (0.088 R)
• M24: 3,934,125 km (0.088 R)
• M25: 4,075,794 km (0.039 R)
• M26: 4,437,522 km (0.114 R)
• M27: 4,555,405 km (0.049 R)
• M28: 4,689,444 km (0.088 R)
• M29: 4,839,790 km (0.095 R)
• M30: 4,930,895 km (0.101 R)
• M31: 5,160,977 km (0.05 R)
• M32: 5,300,701 km (0.101 R)
• M33: 5,743,661 km (0.09 R)
• M34: 5,823,995 km (0.109 R)
• M35: 5,904,778 km (0.079 R)
• M36: 5,985,860 km (0.066 R)
• M37: 6,100,003 km (0.078 R)
• M38: 6,614,470 km (0.089 R)
• M39: 6,749,557 km (0.084 R)
• M40: 6,817,474 km (0.094 R)
• M41: 6,885,541 km (0.076 R)
• M42: 7,039,627 km (0.107 R)
• M43: 7,316,383 km (0.037 R)
• M44: 7,649,687 km (0.081 R)
• M45: 7,952,174 km (0.109 R)
• M46: 8,240,449 km (0.093 R)
• M47: 8,313,004 km (0.12 R)
• M48: 8,404,109 km (0.033 R)
• M49: 8,513,914 km (0.117 R)
• M50: 8,790,221 km (0.101 R)
• M51: 9,257,565 km (0.099 R)
• M52: 9,771,284 km (0.038 R)
• M53: 10,177,442 km (0.1 R)
• M54: 10,333,473 km (0.092 R)
• M55: 10,549,492 km (0.071 R)
• M56: 10,648,227 km (0.098 R)
• M57: 10,727,364 km (0.073 R)
• M58: 10,926,180 km (0.113 R)
• M59: 11,570,498 km (0.105 R)
• M60: 11,733,559 km (0.108 R)
• M61: 11,856,379 km (0.115 R)
• M62: 12,020,638 km (0.108 R)
• M63: 12,268,671 km (0.118 R)
• M64: 12,560,088 km (0.027 R)
• M65: 12,917,028 km (0.119 R)
• M66: 13,043,887 km (0.075 R)
• M67: 13,320,045 km (0.083 R)
• M68: 13,490,886 km (0.119 R)
• M69: 13,619,540 km (0.03 R)
• M70: 13,921,428 km (0.089 R)
• M71: 14,268,944 km (0.111 R)
• M72: 14,421,983 km (0.116 R)
• M73: 14,685,574 km (0.09 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: 449 - 20,449 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit