🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.56 AU - 0.72 AU

Year: 326 Days

Day: 41.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,690,107 km

• M1: 389,702 km (0.094 R)
• M2: 476,320 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 9.2

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.71 AU - 0.99 AU

Year: 498 Days

Day: 8.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,690,107 km

• M1: 118,332 km (0.113 R)
• M2: 186,698 km (0.097 R)
• M3: 245,490 km (0.052 R)
• M4: 317,447 km (0.033 R)
• M5: 409,449 km (0.104 R)
• M6: 477,217 km (0.047 R)
• M7: 563,086 km (0.072 R)
• M8: 621,130 km (0.108 R)
• M9: 723,605 km (0.105 R)
• M10: 908,059 km (0.114 R)
• M11: 977,772 km (0.046 R)
• M12: 1,051,673 km (0.066 R)
• M13: 1,112,260 km (0.117 R)
• M14: 1,185,264 km (0.118 R)
• M15: 1,269,039 km (0.114 R)
• M16: 1,329,177 km (0.119 R)
• M17: 1,627,176 km (0.026 R)
• M18: 1,697,936 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.6

Radius: 11.9

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.79 AU - 1.01 AU

Year: 543 Days

Day: 6.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 42,690,107 km

• M1: 151,243 km (0.112 R)
• M2: 235,168 km (0.104 R)
• M3: 415,732 km (0.076 R)
• M4: 499,208 km (0.071 R)
• M5: 619,335 km (0.06 R)
• M6: 703,110 km (0.092 R)
• M7: 795,412 km (0.102 R)
• M8: 879,336 km (0.107 R)
• M9: 988,992 km (0.047 R)
• M10: 1,071,121 km (0.055 R)
• M11: 1,151,006 km (0.118 R)
• M12: 1,342,342 km (0.108 R)
• M13: 1,418,786 km (0.119 R)
• M14: 1,619,547 km (0.093 R)
• M15: 1,695,841 km (0.081 R)
• M16: 1,886,728 km (0.043 R)
• M17: 2,043,357 km (0.084 R)
• M18: 2,253,094 km (0.052 R)
• M19: 2,382,346 km (0.066 R)
• M20: 2,488,860 km (0.08 R)
• M21: 2,622,750 km (0.091 R)
• M22: 2,765,616 km (0.082 R)
• M23: 2,844,753 km (0.031 R)
• M24: 3,086,503 km (0.085 R)
• M25: 3,196,159 km (0.107 R)
• M26: 3,272,304 km (0.107 R)
• M27: 3,483,237 km (0.099 R)
• M28: 3,568,956 km (0.086 R)
• M29: 3,684,147 km (0.101 R)
• M30: 3,778,842 km (0.079 R)
• M31: 3,889,096 km (0.115 R)
• M32: 4,082,675 km (0.093 R)
• M33: 4,340,732 km (0.119 R)
• M34: 4,433,034 km (0.105 R)
• M35: 4,510,525 km (0.054 R)
• M36: 4,651,147 km (0.102 R)
• M37: 4,737,914 km (0.093 R)
• M38: 4,993,128 km (0.089 R)
• M39: 5,310,276 km (0.073 R)
• M40: 5,442,371 km (0.105 R)
• M41: 5,575,662 km (0.041 R)
• M42: 5,676,192 km (0.069 R)
• M43: 5,777,470 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 8

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1 AU - 1.1 AU

Year: 684 Days

Day: 14.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 42,690,107 km

• M1: 101,727 km (0.112 R)
• M2: 215,870 km (0.063 R)
• M3: 267,481 km (0.091 R)
• M4: 341,083 km (0.049 R)
• M5: 468,241 km (0.105 R)
• M6: 601,982 km (0.034 R)
• M7: 741,407 km (0.094 R)
• M8: 805,585 km (0.113 R)
• M9: 871,856 km (0.057 R)
• M10: 940,073 km (0.091 R)
• M11: 1,047,933 km (0.054 R)
• M12: 1,112,111 km (0.049 R)
• M13: 1,208,900 km (0.085 R)
• M14: 1,308,383 km (0.088 R)
• M15: 1,434,494 km (0.077 R)
• M16: 1,491,790 km (0.086 R)
• M17: 1,574,518 km (0.088 R)
• M18: 1,648,718 km (0.075 R)
• M19: 1,719,029 km (0.109 R)
• M20: 1,936,096 km (0.05 R)
• M21: 2,031,988 km (0.108 R)
• M22: 2,145,682 km (0.098 R)
• M23: 2,239,480 km (0.103 R)
• M24: 2,345,844 km (0.047 R)
• M25: 2,534,637 km (0.066 R)
• M26: 2,622,151 km (0.03 R)
• M27: 2,681,093 km (0.057 R)
• M28: 2,854,327 km (0.098 R)
• M29: 3,012,901 km (0.104 R)
• M30: 3,326,009 km (0.1 R)
• M31: 3,486,528 km (0.117 R)
• M32: 3,702,398 km (0.115 R)
• M33: 3,781,984 km (0.08 R)
• M34: 3,882,214 km (0.094 R)
• M35: 4,126,508 km (0.105 R)
• M36: 4,285,231 km (0.108 R)
• M37: 4,368,856 km (0.088 R)
• M38: 4,474,173 km (0.089 R)
• M39: 4,537,752 km (0.109 R)
• M40: 4,665,808 km (0.065 R)
• M41: 4,795,061 km (0.045 R)
• M42: 4,969,342 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.8

Radius: 8

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.82 AU - 3.42 AU

Year: 3504 Days

Day: 9.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 42,690,107 km

• M1: 100,679 km (0.09 R)
• M2: 200,162 km (0.099 R)
• M3: 334,501 km (0.102 R)
• M4: 410,646 km (0.084 R)
• M5: 469,139 km (0.118 R)
• M6: 677,978 km (0.067 R)
• M7: 734,825 km (0.098 R)
• M8: 979,417 km (0.098 R)
• M9: 1,061,098 km (0.095 R)
• M10: 1,225,805 km (0.108 R)
• M11: 1,332,319 km (0.116 R)
• M12: 1,586,485 km (0.076 R)
• M13: 1,644,230 km (0.07 R)
• M14: 1,755,681 km (0.076 R)
• M15: 1,985,912 km (0.114 R)
• M16: 2,111,724 km (0.079 R)
• M17: 2,168,571 km (0.08 R)
• M18: 2,254,889 km (0.07 R)
• M19: 2,312,933 km (0.05 R)
• M20: 2,520,425 km (0.098 R)
• M21: 2,580,713 km (0.091 R)
• M22: 2,819,471 km (0.068 R)
• M23: 3,146,043 km (0.113 R)
• M24: 3,577,783 km (0.092 R)
• M25: 3,792,007 km (0.025 R)
• M26: 4,054,701 km (0.031 R)
• M27: 4,134,586 km (0.103 R)
• M28: 4,197,118 km (0.12 R)
• M29: 4,296,152 km (0.093 R)
• M30: 4,395,784 km (0.104 R)
• M31: 4,877,788 km (0.112 R)
• M32: 4,972,334 km (0.1 R)
• M33: 5,058,054 km (0.117 R)
• M34: 5,163,520 km (0.039 R)
• M35: 5,356,950 km (0.063 R)
• M36: 6,422,087 km (0.112 R)
• M37: 6,588,440 km (0.079 R)
• M38: 6,682,686 km (0.104 R)
• M39: 6,830,190 km (0.102 R)
• M40: 6,989,362 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.7

Radius: 7.8

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.35 AU - 7.05 AU

Year: 9816 Days

Day: 18.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 42,690,107 km

• M1: 205,847 km (0.077 R)
• M2: 369,208 km (0.056 R)
• M3: 467,643 km (0.088 R)
• M4: 692,638 km (0.076 R)
• M5: 984,952 km (0.034 R)
• M6: 1,372,112 km (0.113 R)
• M7: 1,511,088 km (0.047 R)
• M8: 1,675,646 km (0.089 R)
• M9: 2,756,939 km (0.09 R)
• M10: 3,165,641 km (0.109 R)
• M11: 3,377,322 km (0.1 R)
• M12: 3,457,805 km (0.103 R)
• M13: 4,125,161 km (0.072 R)
• M14: 4,503,046 km (0.084 R)
• M15: 4,562,286 km (0.096 R)
• M16: 4,861,931 km (0.104 R)
• M17: 5,385,823 km (0.115 R)
• M18: 5,448,803 km (0.11 R)
• M19: 5,960,278 km (0.103 R)
• M20: 6,025,204 km (0.041 R)
• M21: 7,028,856 km (0.086 R)
• M22: 7,585,061 km (0.119 R)
• M23: 7,939,907 km (0.036 R)
• M24: 8,047,468 km (0.055 R)
• M25: 8,119,424 km (0.06 R)
• M26: 8,227,733 km (0.115 R)
• M27: 10,611,127 km (0.056 R)
• M28: 10,928,124 km (0.062 R)
• M29: 12,144,505 km (0.101 R)
• M30: 12,227,083 km (0.067 R)
• M31: 12,894,738 km (0.09 R)
• M32: 13,021,148 km (0.085 R)
• M33: 13,190,493 km (0.098 R)
• M34: 13,659,931 km (0.082 R)
• M35: 13,918,137 km (0.04 R)
• M36: 14,091,371 km (0.111 R)
• M37: 15,056,278 km (0.055 R)
• M38: 15,501,930 km (0.108 R)
• M39: 17,049,221 km (0.064 R)
• M40: 17,888,315 km (0.078 R)
• M41: 18,454,992 km (0.094 R)
• M42: 19,461,037 km (0.078 R)
• M43: 19,897,564 km (0.109 R)
• M44: 20,092,640 km (0.119 R)
• M45: 20,239,395 km (0.115 R)
• M46: 21,127,258 km (0.112 R)
• M47: 21,376,189 km (0.096 R)
• M48: 21,426,005 km (0.044 R)
• M49: 21,475,971 km (0.091 R)
• M50: 22,330,773 km (0.101 R)
• M51: 24,646,548 km (0.105 R)
• M52: 24,908,494 km (0.11 R)
• M53: 24,961,003 km (0.095 R)
• M54: 25,118,829 km (0.106 R)
• M55: 25,647,059 km (0.068 R)
• M56: 25,912,595 km (0.12 R)
• M57: 25,965,702 km (0.089 R)
• M58: 26,607,028 km (0.117 R)
• M59: 27,037,571 km (0.057 R)
• M60: 27,307,745 km (0.09 R)
• M61: 28,014,595 km (0.083 R)
• M62: 29,390,596 km (0.112 R)
• M63: 29,835,500 km (0.085 R)
• M64: 31,410,317 km (0.044 R)
• M65: 31,694,403 km (0.051 R)
• M66: 31,979,387 km (0.089 R)
• M67: 32,551,749 km (0.051 R)
• M68: 32,781,681 km (0.091 R)
• M69: 32,954,466 km (0.036 R)
• M70: 33,069,806 km (0.088 R)
• M71: 34,757,420 km (0.084 R)
• M72: 35,759,875 km (0.057 R)
• M73: 36,175,308 km (0.101 R)
• M74: 37,190,928 km (0.074 R)
• M75: 37,551,758 km (0.052 R)
• M76: 38,094,948 km (0.077 R)
• M77: 38,276,560 km (0.065 R)
• M78: 38,397,884 km (0.111 R)
• M79: 41,097,976 km (0.111 R)
• M80: 41,160,059 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.5

Radius: 3.7

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.6 AU - 12.26 AU

Year: 21417 Days

Day: 17.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 42,690,107 km

• M1: 109,206 km (0.115 R)
• M2: 224,846 km (0.104 R)
• M3: 290,070 km (0.042 R)
• M4: 400,025 km (0.053 R)
• M5: 566,378 km (0.092 R)
• M6: 672,742 km (0.105 R)
• M7: 720,314 km (0.097 R)
• M8: 939,475 km (0.053 R)
• M9: 974,929 km (0.07 R)
• M10: 1,455,737 km (0.074 R)
• M11: 1,953,299 km (0.106 R)
• M12: 2,114,416 km (0.117 R)
• M13: 2,232,150 km (0.104 R)
• M14: 2,548,250 km (0.061 R)
• M15: 3,275,595 km (0.06 R)
• M16: 3,384,353 km (0.106 R)
• M17: 3,439,255 km (0.109 R)
• M18: 4,238,108 km (0.096 R)
• M19: 4,904,117 km (0.12 R)
• M20: 5,091,264 km (0.082 R)
• M21: 5,537,216 km (0.098 R)
• M22: 6,568,394 km (0.047 R)
• M23: 6,705,725 km (0.059 R)
• M24: 7,229,018 km (0.099 R)
• M25: 7,477,799 km (0.116 R)
• M26: 7,837,881 km (0.095 R)
• M27: 8,020,091 km (0.044 R)
• M28: 8,166,847 km (0.091 R)
• M29: 8,800,394 km (0.107 R)
• M30: 9,411,052 km (0.095 R)
• M31: 9,488,395 km (0.061 R)
• M32: 9,565,886 km (0.118 R)
• M33: 9,721,468 km (0.107 R)
• M34: 10,233,093 km (0.073 R)
• M35: 10,472,150 km (0.08 R)
• M36: 10,874,718 km (0.113 R)
• M37: 11,077,872 km (0.087 R)
• M38: 11,323,362 km (0.096 R)
• M39: 12,662,413 km (0.112 R)
• M40: 13,393,797 km (0.115 R)
• M41: 15,898,364 km (0.038 R)
• M42: 16,360,622 km (0.09 R)
• M43: 16,686,745 km (0.093 R)
• M44: 17,916,739 km (0.061 R)
• M45: 18,542,506 km (0.095 R)
• M46: 18,590,976 km (0.088 R)
• M47: 19,028,849 km (0.099 R)
• M48: 19,126,686 km (0.119 R)
• M49: 19,322,659 km (0.103 R)
• M50: 20,213,066 km (0.103 R)
• M51: 20,713,471 km (0.106 R)
• M52: 21,726,398 km (0.12 R)
• M53: 21,982,210 km (0.051 R)
• M54: 23,485,220 km (0.078 R)
• M55: 24,381,611 km (0.041 R)
• M56: 24,434,718 km (0.081 R)
• M57: 25,450,338 km (0.106 R)
• M58: 26,316,360 km (0.077 R)
• M59: 26,479,870 km (0.115 R)
• M60: 26,643,680 km (0.074 R)
• M61: 27,027,099 km (0.048 R)
• M62: 27,192,106 km (0.104 R)
• M63: 27,799,623 km (0.112 R)
• M64: 28,915,623 km (0.091 R)
• M65: 29,253,265 km (0.034 R)
• M66: 29,932,440 km (0.055 R)
• M67: 30,216,975 km (0.104 R)
• M68: 30,559,703 km (0.119 R)
• M69: 30,616,850 km (0.032 R)
• M70: 30,903,629 km (0.069 R)
• M71: 31,884,991 km (0.083 R)
• M72: 32,117,316 km (0.046 R)
• M73: 32,467,076 km (0.099 R)
• M74: 32,525,419 km (0.105 R)
• M75: 32,642,255 km (0.104 R)
• M76: 32,759,391 km (0.034 R)
• M77: 33,700,660 km (0.115 R)
• M78: 36,274,342 km (0.085 R)
• M79: 36,395,516 km (0.045 R)
• M80: 36,760,086 km (0.076 R)
• M81: 38,230,035 km (0.095 R)
• M82: 39,781,814 km (0.1 R)
• M83: 40,471,011 km (0.063 R)
• M84: 41,797,795 km (0.119 R)
• M85: 41,988,382 km (0.054 R)
• M86: 42,052,111 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 11,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit