🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.44 AU - 0.58 AU

Year: 239 Days

Day: 23.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,463,417 km

• M1: 35,604 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 9.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.61 AU - 0.99 AU

Year: 469 Days

Day: 11.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 134 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,463,417 km

• M1: 120,725 km (0.12 R)
• M2: 200,312 km (0.069 R)
• M3: 272,717 km (0.084 R)
• M4: 346,618 km (0.065 R)
• M5: 408,103 km (0.117 R)
• M6: 470,635 km (0.056 R)
• M7: 669,002 km (0.115 R)
• M8: 803,490 km (0.107 R)
• M9: 910,602 km (0.092 R)
• M10: 1,070,971 km (0.103 R)
• M11: 1,139,786 km (0.062 R)
• M12: 1,368,970 km (0.11 R)
• M13: 1,463,217 km (0.106 R)
• M14: 1,596,060 km (0.104 R)
• M15: 1,655,600 km (0.119 R)
• M16: 1,767,948 km (0.11 R)
• M17: 1,882,988 km (0.032 R)
• M18: 2,034,232 km (0.044 R)
• M19: 2,164,532 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.3

Radius: 11.2

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.32 AU - 1.64 AU

Year: 1181 Days

Day: 8.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 63,463,417 km

• M1: 142,417 km (0.12 R)
• M2: 226,042 km (0.11 R)
• M3: 369,956 km (0.097 R)
• M4: 542,292 km (0.116 R)
• M5: 620,981 km (0.084 R)
• M6: 717,471 km (0.086 R)
• M7: 812,466 km (0.03 R)
• M8: 941,719 km (0.107 R)
• M9: 1,024,297 km (0.103 R)
• M10: 1,173,147 km (0.079 R)
• M11: 1,321,099 km (0.106 R)
• M12: 1,537,268 km (0.11 R)
• M13: 1,727,855 km (0.117 R)
• M14: 1,907,373 km (0.115 R)
• M15: 2,033,633 km (0.103 R)
• M16: 2,482,427 km (0.119 R)
• M17: 2,664,039 km (0.098 R)
• M18: 2,740,184 km (0.059 R)
• M19: 2,817,078 km (0.053 R)
• M20: 2,917,009 km (0.087 R)
• M21: 3,063,465 km (0.101 R)
• M22: 3,458,254 km (0.114 R)
• M23: 3,529,612 km (0.108 R)
• M24: 3,722,444 km (0.101 R)
• M25: 3,832,398 km (0.102 R)
• M26: 3,931,133 km (0.105 R)
• M27: 4,080,731 km (0.063 R)
• M28: 4,283,286 km (0.104 R)
• M29: 4,372,895 km (0.109 R)
• M30: 4,463,252 km (0.107 R)
• M31: 4,554,208 km (0.048 R)
• M32: 4,724,750 km (0.065 R)
• M33: 4,870,757 km (0.108 R)
• M34: 5,072,265 km (0.086 R)
• M35: 5,235,477 km (0.106 R)
• M36: 5,428,159 km (0.11 R)
• M37: 5,707,458 km (0.086 R)
• M38: 5,777,919 km (0.051 R)
• M39: 6,178,542 km (0.101 R)
• M40: 6,265,608 km (0.073 R)
• M41: 6,367,633 km (0.104 R)
• M42: 6,916,358 km (0.102 R)
• M43: 7,037,084 km (0.109 R)
• M44: 7,204,185 km (0.057 R)
• M45: 7,280,480 km (0.094 R)
• M46: 7,588,801 km (0.107 R)
• M47: 7,713,266 km (0.076 R)
• M48: 8,170,288 km (0.041 R)
• M49: 8,426,250 km (0.094 R)
• M50: 8,522,890 km (0.034 R)
• M51: 8,782,592 km (0.098 R)
• M52: 9,209,993 km (0.102 R)
• M53: 9,342,836 km (0.083 R)
• M54: 9,426,311 km (0.049 R)
• M55: 9,644,276 km (0.063 R)
• M56: 9,745,404 km (0.065 R)
• M57: 9,880,939 km (0.12 R)
• M58: 10,136,602 km (0.098 R)
• M59: 10,273,783 km (0.078 R)
• M60: 10,429,066 km (0.113 R)
• M61: 10,741,726 km (0.114 R)
• M62: 10,811,588 km (0.086 R)
• M63: 10,881,600 km (0.094 R)
• M64: 11,022,222 km (0.099 R)
• M65: 11,181,094 km (0.1 R)
• M66: 11,322,913 km (0.088 R)
• M67: 11,447,528 km (0.085 R)
• M68: 11,590,544 km (0.093 R)
• M69: 12,077,485 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.9

Radius: 8.5

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.57 AU - 2.63 AU

Year: 2750 Days

Day: 5.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 63,463,417 km

• M1: 163,660 km (0.107 R)
• M2: 228,586 km (0.106 R)
• M3: 294,857 km (0.119 R)
• M4: 384,616 km (0.066 R)
• M5: 461,061 km (0.065 R)
• M6: 649,853 km (0.079 R)
• M7: 724,802 km (0.084 R)
• M8: 1,022,352 km (0.095 R)
• M9: 1,133,653 km (0.084 R)
• M10: 1,248,993 km (0.108 R)
• M11: 1,308,233 km (0.09 R)
• M12: 1,542,204 km (0.038 R)
• M13: 1,644,829 km (0.108 R)
• M14: 1,749,697 km (0.077 R)
• M15: 1,829,881 km (0.091 R)
• M16: 2,021,965 km (0.117 R)
• M17: 2,206,120 km (0.04 R)
• M18: 2,263,865 km (0.096 R)
• M19: 2,667,480 km (0.107 R)
• M20: 2,729,264 km (0.109 R)
• M21: 2,838,470 km (0.088 R)
• M22: 3,061,221 km (0.065 R)
• M23: 3,273,351 km (0.103 R)
• M24: 3,356,079 km (0.112 R)
• M25: 3,729,026 km (0.078 R)
• M26: 4,186,796 km (0.089 R)
• M27: 4,569,467 km (0.104 R)
• M28: 4,643,668 km (0.072 R)
• M29: 5,290,529 km (0.049 R)
• M30: 5,486,053 km (0.106 R)
• M31: 5,644,328 km (0.064 R)
• M32: 5,965,365 km (0.042 R)
• M33: 6,169,117 km (0.091 R)
• M34: 6,416,552 km (0.115 R)
• M35: 6,646,185 km (0.041 R)
• M36: 7,221,538 km (0.059 R)
• M37: 7,286,463 km (0.069 R)
• M38: 7,482,437 km (0.09 R)
• M39: 7,570,101 km (0.094 R)
• M40: 8,103,118 km (0.053 R)
• M41: 8,306,123 km (0.077 R)
• M42: 8,488,034 km (0.037 R)
• M43: 8,717,218 km (0.12 R)
• M44: 8,855,745 km (0.114 R)
• M45: 9,065,033 km (0.114 R)
• M46: 9,252,329 km (0.075 R)
• M47: 9,797,913 km (0.103 R)
• M48: 10,256,430 km (0.111 R)
• M49: 10,870,529 km (0.051 R)
• M50: 10,945,029 km (0.105 R)
• M51: 11,044,661 km (0.1 R)
• M52: 11,623,156 km (0.086 R)
• M53: 11,750,314 km (0.099 R)
• M54: 12,263,285 km (0.101 R)
• M55: 12,444,448 km (0.113 R)
• M56: 12,678,868 km (0.087 R)
• M57: 13,072,760 km (0.103 R)
• M58: 13,231,333 km (0.08 R)
• M59: 13,980,220 km (0.105 R)
• M60: 14,088,379 km (0.087 R)
• M61: 14,332,673 km (0.041 R)
• M62: 14,523,709 km (0.051 R)
• M63: 14,578,312 km (0.052 R)
• M64: 14,660,591 km (0.105 R)
• M65: 14,770,396 km (0.065 R)
• M66: 15,518,984 km (0.071 R)
• M67: 16,336,835 km (0.048 R)
• M68: 16,422,256 km (0.038 R)
• M69: 16,995,365 km (0.103 R)
• M70: 17,053,110 km (0.088 R)
• M71: 17,342,432 km (0.066 R)
• M72: 18,427,167 km (0.073 R)
• M73: 18,694,348 km (0.076 R)
• M74: 19,594,180 km (0.116 R)
• M75: 19,836,528 km (0.086 R)
• M76: 19,958,002 km (0.081 R)
• M77: 20,171,328 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.9

Radius: 11.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.93 AU - 3.35 AU

Year: 3650 Days

Day: 12.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 63,463,417 km

• M1: 144,811 km (0.037 R)
• M2: 336,894 km (0.082 R)
• M3: 418,425 km (0.085 R)
• M4: 783,294 km (0.11 R)
• M5: 864,077 km (0.094 R)
• M6: 1,104,631 km (0.07 R)
• M7: 1,280,857 km (0.107 R)
• M8: 1,638,246 km (0.108 R)
• M9: 1,744,610 km (0.079 R)
• M10: 1,828,984 km (0.082 R)
• M11: 2,364,095 km (0.101 R)
• M12: 2,485,120 km (0.081 R)
• M13: 2,594,326 km (0.111 R)
• M14: 2,677,353 km (0.055 R)
• M15: 3,033,246 km (0.105 R)
• M16: 3,649,440 km (0.117 R)
• M17: 3,805,770 km (0.064 R)
• M18: 4,304,230 km (0.072 R)
• M19: 4,452,930 km (0.059 R)
• M20: 4,840,688 km (0.118 R)
• M21: 5,451,646 km (0.119 R)
• M22: 5,576,709 km (0.061 R)
• M23: 5,757,274 km (0.115 R)
• M24: 5,958,034 km (0.119 R)
• M25: 6,460,683 km (0.119 R)
• M26: 6,669,372 km (0.067 R)
• M27: 6,822,710 km (0.086 R)
• M28: 7,113,080 km (0.099 R)
• M29: 8,336,042 km (0.117 R)
• M30: 8,667,551 km (0.059 R)
• M31: 8,771,970 km (0.099 R)
• M32: 9,558,406 km (0.119 R)
• M33: 9,949,006 km (0.093 R)
• M34: 10,455,994 km (0.099 R)
• M35: 10,701,334 km (0.072 R)
• M36: 11,175,260 km (0.088 R)
• M37: 11,311,843 km (0.085 R)
• M38: 11,956,909 km (0.055 R)
• M39: 12,073,446 km (0.117 R)
• M40: 12,851,504 km (0.118 R)
• M41: 13,403,371 km (0.104 R)
• M42: 13,694,488 km (0.039 R)
• M43: 14,134,904 km (0.073 R)
• M44: 14,456,091 km (0.104 R)
• M45: 15,004,816 km (0.036 R)
• M46: 15,738,743 km (0.049 R)
• M47: 15,892,081 km (0.03 R)
• M48: 16,071,449 km (0.075 R)
• M49: 16,200,103 km (0.073 R)
• M50: 16,406,698 km (0.09 R)
• M51: 16,718,011 km (0.115 R)
• M52: 16,874,490 km (0.12 R)
• M53: 17,162,616 km (0.059 R)
• M54: 17,610,961 km (0.101 R)
• M55: 17,823,390 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 15

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.43 AU - 3.87 AU

Year: 3668 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 63,463,417 km

• M1: 191,186 km (0.107 R)
• M2: 316,549 km (0.095 R)
• M3: 419,024 km (0.054 R)
• M4: 584,928 km (0.05 R)
• M5: 956,678 km (0.096 R)
• M6: 1,150,108 km (0.046 R)
• M7: 1,291,628 km (0.086 R)
• M8: 1,570,030 km (0.105 R)
• M9: 1,704,668 km (0.089 R)
• M10: 1,893,460 km (0.114 R)
• M11: 2,020,469 km (0.117 R)
• M12: 2,115,613 km (0.076 R)
• M13: 2,230,055 km (0.095 R)
• M14: 2,382,944 km (0.069 R)
• M15: 2,511,599 km (0.049 R)
• M16: 2,614,372 km (0.039 R)
• M17: 2,737,641 km (0.119 R)
• M18: 2,833,982 km (0.03 R)
• M19: 3,029,955 km (0.11 R)
• M20: 3,129,737 km (0.041 R)
• M21: 3,230,566 km (0.043 R)
• M22: 3,571,500 km (0.06 R)
• M23: 3,709,130 km (0.065 R)
• M24: 4,033,458 km (0.076 R)
• M25: 4,210,282 km (0.117 R)
• M26: 4,514,714 km (0.032 R)
• M27: 4,791,470 km (0.111 R)
• M28: 5,145,269 km (0.058 R)
• M29: 5,410,207 km (0.104 R)
• M30: 5,507,745 km (0.041 R)
• M31: 5,667,366 km (0.115 R)
• M32: 5,766,400 km (0.107 R)
• M33: 6,016,677 km (0.092 R)
• M34: 6,437,346 km (0.068 R)
• M35: 6,592,778 km (0.096 R)
• M36: 6,697,197 km (0.071 R)
• M37: 7,160,053 km (0.107 R)
• M38: 7,606,005 km (0.106 R)
• M39: 7,715,510 km (0.075 R)
• M40: 7,811,851 km (0.081 R)
• M41: 8,005,580 km (0.117 R)
• M42: 8,426,100 km (0.106 R)
• M43: 8,796,504 km (0.071 R)
• M44: 8,940,418 km (0.117 R)
• M45: 9,820,352 km (0.035 R)
• M46: 10,104,738 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.3

Radius: 4.8

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.46 AU - 10.84 AU

Year: 21213 Days

Day: 16.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 63,463,417 km

• M1: 82,129 km (0.069 R)
• M2: 252,671 km (0.115 R)
• M3: 356,791 km (0.111 R)
• M4: 811,568 km (0.034 R)
• M5: 855,251 km (0.077 R)
• M6: 899,981 km (0.082 R)
• M7: 1,975,141 km (0.043 R)
• M8: 2,186,223 km (0.093 R)
• M9: 2,310,090 km (0.088 R)
• M10: 2,404,487 km (0.087 R)
• M11: 2,468,066 km (0.097 R)
• M12: 2,828,148 km (0.089 R)
• M13: 2,929,276 km (0.072 R)
• M14: 3,380,912 km (0.085 R)
• M15: 3,452,420 km (0.076 R)
• M16: 4,193,827 km (0.064 R)
• M17: 4,425,703 km (0.079 R)
• M18: 5,730,646 km (0.079 R)
• M19: 6,117,805 km (0.026 R)
• M20: 6,380,499 km (0.059 R)
• M21: 6,736,542 km (0.092 R)
• M22: 7,144,794 km (0.069 R)
• M23: 7,282,724 km (0.112 R)
• M24: 7,701,598 km (0.071 R)
• M25: 7,748,571 km (0.117 R)
• M26: 9,353,308 km (0.115 R)
• M27: 9,554,517 km (0.086 R)
• M28: 9,808,235 km (0.088 R)
• M29: 10,064,047 km (0.092 R)
• M30: 10,270,343 km (0.112 R)
• M31: 10,897,457 km (0.098 R)
• M32: 11,162,395 km (0.088 R)
• M33: 12,243,389 km (0.103 R)
• M34: 13,132,000 km (0.083 R)
• M35: 14,098,702 km (0.073 R)
• M36: 14,213,892 km (0.114 R)
• M37: 16,826,918 km (0.063 R)
• M38: 18,564,946 km (0.106 R)
• M39: 19,326,998 km (0.103 R)
• M40: 20,750,721 km (0.075 R)
• M41: 21,674,188 km (0.057 R)
• M42: 22,409,013 km (0.115 R)
• M43: 22,948,762 km (0.114 R)
• M44: 23,560,917 km (0.055 R)
• M45: 23,972,012 km (0.097 R)
• M46: 24,870,796 km (0.102 R)
• M47: 25,149,496 km (0.073 R)
• M48: 26,274,921 km (0.109 R)
• M49: 26,558,858 km (0.105 R)
• M50: 27,488,609 km (0.093 R)
• M51: 29,159,467 km (0.104 R)
• M52: 29,527,029 km (0.044 R)
• M53: 31,689,018 km (0.104 R)
• M54: 36,242,029 km (0.063 R)
• M55: 36,321,017 km (0.119 R)
• M56: 37,431,781 km (0.05 R)
• M57: 37,991,426 km (0.11 R)
• M58: 39,849,432 km (0.092 R)
• M59: 40,175,555 km (0.076 R)
• M60: 40,502,576 km (0.112 R)
• M61: 42,566,429 km (0.113 R)
• M62: 43,485,408 km (0.096 R)
• M63: 43,989,254 km (0.115 R)
• M64: 44,326,298 km (0.105 R)
• M65: 45,768,421 km (0.055 R)
• M66: 48,785,362 km (0.095 R)
• M67: 50,185,747 km (0.075 R)
• M68: 51,599,447 km (0.115 R)
• M69: 53,474,507 km (0.07 R)
• M70: 55,462,812 km (0.108 R)
• M71: 55,735,828 km (0.111 R)
• M72: 57,015,638 km (0.08 R)
• M73: 59,046,429 km (0.091 R)
• M74: 59,790,679 km (0.093 R)
• M75: 60,725,516 km (0.115 R)
• M76: 60,912,962 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 15,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit