🌌 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: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.47 AU - 0.77 AU

Year: 320 Days

Day: 20.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,415,603 km

• M1: 139,126 km (0.113 R)
• M2: 354,098 km (0.045 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.57 AU - 0.77 AU

Year: 360 Days

Day: 25.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,415,603 km

• M1: 21,243 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.5

Radius: 12.2

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.64 AU - 0.86 AU

Year: 426 Days

Day: 7.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 46,415,603 km

• M1: 153,487 km (0.068 R)
• M2: 239,955 km (0.092 R)
• M3: 337,493 km (0.091 R)
• M4: 426,952 km (0.061 R)
• M5: 527,632 km (0.08 R)
• M6: 610,359 km (0.038 R)
• M7: 687,701 km (0.048 R)
• M8: 818,749 km (0.05 R)
• M9: 910,004 km (0.111 R)
• M10: 992,283 km (0.063 R)
• M11: 1,103,583 km (0.091 R)
• M12: 1,183,170 km (0.119 R)
• M13: 1,316,012 km (0.059 R)
• M14: 1,396,197 km (0.107 R)
• M15: 1,627,326 km (0.085 R)
• M16: 1,750,145 km (0.118 R)
• M17: 1,876,406 km (0.118 R)
• M18: 1,956,890 km (0.049 R)
• M19: 2,065,947 km (0.114 R)
• M20: 2,143,588 km (0.066 R)
• M21: 2,388,629 km (0.084 R)
• M22: 2,523,417 km (0.088 R)
• M23: 2,630,679 km (0.112 R)
• M24: 2,745,719 km (0.066 R)
• M25: 2,912,222 km (0.118 R)
• M26: 3,018,735 km (0.11 R)
• M27: 3,094,731 km (0.094 R)
• M28: 3,320,026 km (0.082 R)
• M29: 3,425,043 km (0.076 R)
• M30: 3,524,376 km (0.067 R)
• M31: 3,624,607 km (0.066 R)
• M32: 3,759,993 km (0.081 R)
• M33: 3,903,906 km (0.099 R)
• M34: 4,000,845 km (0.108 R)
• M35: 4,084,620 km (0.047 R)
• M36: 4,218,510 km (0.101 R)
• M37: 4,339,535 km (0.071 R)
• M38: 4,454,576 km (0.082 R)
• M39: 4,541,492 km (0.102 R)
• M40: 4,621,677 km (0.12 R)
• M41: 4,768,731 km (0.08 R)
• M42: 4,917,282 km (0.096 R)
• M43: 4,999,710 km (0.098 R)
• M44: 5,135,545 km (0.105 R)
• M45: 5,226,800 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.3

Radius: 10.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.78 AU - 0.78 AU

Year: 452 Days

Day: 12.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,415,603 km

• M1: 146,756 km (0.039 R)
• M2: 224,696 km (0.106 R)
• M3: 319,990 km (0.083 R)
• M4: 412,441 km (0.102 R)
• M5: 518,955 km (0.095 R)
• M6: 672,592 km (0.053 R)
• M7: 741,856 km (0.103 R)
• M8: 845,378 km (0.043 R)
• M9: 978,220 km (0.11 R)
• M10: 1,073,963 km (0.096 R)
• M11: 1,235,529 km (0.095 R)
• M12: 1,343,389 km (0.091 R)
• M13: 1,426,416 km (0.107 R)
• M14: 1,558,062 km (0.074 R)
• M15: 1,697,637 km (0.094 R)
• M16: 1,780,364 km (0.086 R)
• M17: 1,910,963 km (0.073 R)
• M18: 1,989,352 km (0.087 R)
• M19: 2,056,821 km (0.045 R)
• M20: 2,141,344 km (0.086 R)
• M21: 2,243,370 km (0.082 R)
• M22: 2,376,661 km (0.094 R)
• M23: 2,465,523 km (0.087 R)
• M24: 2,542,565 km (0.079 R)
• M25: 2,694,856 km (0.1 R)
• M26: 2,796,583 km (0.09 R)
• M27: 2,899,506 km (0.084 R)
• M28: 2,994,800 km (0.107 R)
• M29: 3,142,004 km (0.081 R)
• M30: 3,221,141 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.4

Radius: 14.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.14 AU - 2.58 AU

Year: 2378 Days

Day: 12.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 46,415,603 km

• M1: 188,344 km (0.11 R)
• M2: 297,101 km (0.084 R)
• M3: 609,611 km (0.117 R)
• M4: 809,624 km (0.054 R)
• M5: 943,215 km (0.09 R)
• M6: 1,116,748 km (0.079 R)
• M7: 1,497,325 km (0.075 R)
• M8: 1,690,755 km (0.055 R)
• M9: 1,867,281 km (0.112 R)
• M10: 1,970,952 km (0.066 R)
• M11: 2,170,964 km (0.025 R)
• M12: 2,280,470 km (0.08 R)
• M13: 2,391,920 km (0.084 R)
• M14: 2,678,699 km (0.05 R)
• M15: 3,099,369 km (0.112 R)
• M16: 3,606,206 km (0.105 R)
• M17: 3,919,614 km (0.093 R)
• M18: 4,380,525 km (0.071 R)
• M19: 4,520,548 km (0.111 R)
• M20: 4,751,228 km (0.038 R)
• M21: 5,004,049 km (0.087 R)
• M22: 5,372,957 km (0.111 R)
• M23: 5,523,153 km (0.116 R)
• M24: 5,693,695 km (0.108 R)
• M25: 5,885,330 km (0.094 R)
• M26: 6,413,410 km (0.036 R)
• M27: 6,592,928 km (0.117 R)
• M28: 6,875,369 km (0.114 R)
• M29: 7,059,075 km (0.086 R)
• M30: 7,557,236 km (0.082 R)
• M31: 7,662,403 km (0.101 R)
• M32: 7,768,169 km (0.079 R)
• M33: 8,088,158 km (0.091 R)
• M34: 8,829,865 km (0.049 R)
• M35: 9,434,390 km (0.071 R)
• M36: 9,638,890 km (0.1 R)
• M37: 9,913,851 km (0.119 R)
• M38: 10,075,566 km (0.066 R)
• M39: 10,378,053 km (0.094 R)
• M40: 10,707,168 km (0.054 R)
• M41: 11,207,424 km (0.115 R)
• M42: 11,472,511 km (0.107 R)
• M43: 12,329,857 km (0.114 R)
• M44: 12,454,023 km (0.038 R)
• M45: 13,182,415 km (0.094 R)
• M46: 13,360,436 km (0.085 R)
• M47: 13,641,531 km (0.106 R)
• M48: 14,314,123 km (0.106 R)
• M49: 14,444,722 km (0.105 R)
• M50: 15,423,241 km (0.053 R)
• M51: 15,637,615 km (0.089 R)
• M52: 16,150,885 km (0.104 R)
• M53: 16,532,659 km (0.067 R)
• M54: 16,697,067 km (0.103 R)
• M55: 16,834,697 km (0.067 R)
• M56: 16,972,477 km (0.073 R)
• M57: 17,138,530 km (0.068 R)
• M58: 17,305,033 km (0.039 R)
• M59: 17,667,658 km (0.115 R)
• M60: 17,976,428 km (0.115 R)
• M61: 18,117,499 km (0.087 R)
• M62: 18,885,086 km (0.105 R)
• M63: 19,431,567 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.1

Radius: 10.7

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.6 AU - 3.22 AU

Year: 3256 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 46,415,603 km

• M1: 209,886 km (0.071 R)
• M2: 460,462 km (0.101 R)
• M3: 608,115 km (0.079 R)
• M4: 680,371 km (0.119 R)
• M5: 953,686 km (0.048 R)
• M6: 1,148,612 km (0.114 R)
• M7: 1,261,559 km (0.074 R)
• M8: 1,646,325 km (0.115 R)
• M9: 1,967,810 km (0.025 R)
• M10: 2,079,560 km (0.097 R)
• M11: 2,193,404 km (0.066 R)
• M12: 2,283,462 km (0.061 R)
• M13: 2,467,318 km (0.089 R)
• M14: 2,588,193 km (0.09 R)
• M15: 2,821,865 km (0.117 R)
• M16: 2,906,088 km (0.106 R)
• M17: 3,236,550 km (0.111 R)
• M18: 3,685,942 km (0.088 R)
• M19: 3,778,244 km (0.068 R)
• M20: 4,028,072 km (0.111 R)
• M21: 4,155,081 km (0.096 R)
• M22: 4,315,749 km (0.074 R)
• M23: 4,593,702 km (0.094 R)
• M24: 4,810,170 km (0.099 R)
• M25: 4,894,244 km (0.083 R)
• M26: 4,978,916 km (0.086 R)
• M27: 5,339,896 km (0.089 R)
• M28: 5,427,112 km (0.085 R)
• M29: 5,780,911 km (0.064 R)
• M30: 6,547,899 km (0.11 R)
• M31: 6,754,045 km (0.114 R)
• M32: 7,230,813 km (0.119 R)
• M33: 7,718,353 km (0.102 R)
• M34: 7,876,627 km (0.101 R)
• M35: 8,016,052 km (0.086 R)
• M36: 8,116,133 km (0.071 R)
• M37: 8,479,955 km (0.091 R)
• M38: 8,663,811 km (0.115 R)
• M39: 9,539,407 km (0.088 R)
• M40: 9,666,865 km (0.116 R)
• M41: 10,095,612 km (0.081 R)
• M42: 10,816,674 km (0.109 R)
• M43: 10,927,376 km (0.07 R)
• M44: 11,060,668 km (0.079 R)
• M45: 11,826,609 km (0.065 R)
• M46: 12,100,972 km (0.073 R)
• M47: 12,216,013 km (0.118 R)
• M48: 12,400,616 km (0.102 R)
• M49: 12,913,438 km (0.111 R)
• M50: 13,101,632 km (0.09 R)
• M51: 13,338,146 km (0.104 R)
• M52: 13,552,221 km (0.05 R)
• M53: 13,815,363 km (0.115 R)
• M54: 14,201,176 km (0.111 R)
• M55: 14,444,123 km (0.047 R)
• M56: 14,615,114 km (0.102 R)
• M57: 15,330,191 km (0.076 R)
• M58: 15,479,640 km (0.031 R)
• M59: 15,779,883 km (0.104 R)
• M60: 16,056,788 km (0.091 R)
• M61: 17,232,328 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364

Radius: 6.6

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.15 AU - 8.55 AU

Year: 13072 Days

Day: 18 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 46,415,603 km

• M1: 103,671 km (0.106 R)
• M2: 359,783 km (0.086 R)
• M3: 746,045 km (0.091 R)
• M4: 814,710 km (0.107 R)
• M5: 1,250,638 km (0.118 R)
• M6: 1,396,197 km (0.089 R)
• M7: 1,658,592 km (0.119 R)
• M8: 1,818,811 km (0.057 R)
• M9: 2,080,757 km (0.109 R)
• M10: 2,304,106 km (0.111 R)
• M11: 2,483,175 km (0.026 R)
• M12: 2,666,881 km (0.044 R)
• M13: 2,882,153 km (0.093 R)
• M14: 2,936,905 km (0.104 R)
• M15: 3,474,111 km (0.112 R)
• M16: 3,679,659 km (0.1 R)
• M17: 4,102,572 km (0.119 R)
• M18: 4,226,289 km (0.095 R)
• M19: 4,382,619 km (0.1 R)
• M20: 4,572,758 km (0.046 R)
• M21: 5,360,391 km (0.065 R)
• M22: 6,189,313 km (0.062 R)
• M23: 7,057,579 km (0.109 R)
• M24: 7,280,629 km (0.092 R)
• M25: 8,118,078 km (0.066 R)
• M26: 9,025,688 km (0.063 R)
• M27: 10,850,034 km (0.103 R)
• M28: 11,150,576 km (0.107 R)
• M29: 11,584,560 km (0.12 R)
• M30: 11,759,739 km (0.113 R)
• M31: 12,648,650 km (0.119 R)
• M32: 12,693,679 km (0.046 R)
• M33: 13,789,932 km (0.051 R)
• M34: 14,631,869 km (0.095 R)
• M35: 14,726,564 km (0.107 R)
• M36: 16,660,416 km (0.111 R)
• M37: 17,305,930 km (0.07 R)
• M38: 17,355,896 km (0.105 R)
• M39: 18,213,242 km (0.109 R)
• M40: 18,826,742 km (0.09 R)
• M41: 19,084,350 km (0.092 R)
• M42: 19,811,695 km (0.067 R)
• M43: 19,864,054 km (0.082 R)
• M44: 19,968,773 km (0.11 R)
• M45: 20,126,299 km (0.11 R)
• M46: 20,231,466 km (0.087 R)
• M47: 20,707,337 km (0.109 R)
• M48: 21,026,430 km (0.094 R)
• M49: 21,401,023 km (0.049 R)
• M50: 22,102,337 km (0.116 R)
• M51: 22,756,379 km (0.033 R)
• M52: 23,306,151 km (0.055 R)
• M53: 23,527,407 km (0.1 R)
• M54: 24,139,262 km (0.057 R)
• M55: 24,363,060 km (0.052 R)
• M56: 24,699,955 km (0.107 R)
• M57: 24,981,947 km (0.088 R)
• M58: 27,217,837 km (0.045 R)
• M59: 27,742,925 km (0.034 R)
• M60: 28,862,216 km (0.079 R)
• M61: 29,756,213 km (0.101 R)
• M62: 29,876,191 km (0.079 R)
• M63: 30,659,336 km (0.098 R)
• M64: 30,901,684 km (0.118 R)
• M65: 31,083,894 km (0.045 R)
• M66: 32,061,666 km (0.042 R)
• M67: 32,184,486 km (0.088 R)
• M68: 32,801,428 km (0.089 R)
• M69: 33,049,311 km (0.051 R)
• M70: 33,297,793 km (0.11 R)
• M71: 33,984,447 km (0.091 R)
• M72: 34,046,979 km (0.117 R)
• M73: 34,360,836 km (0.051 R)
• M74: 34,801,850 km (0.114 R)
• M75: 35,498,528 km (0.107 R)
• M76: 36,648,486 km (0.079 R)
• M77: 38,461,463 km (0.111 R)
• M78: 39,116,103 km (0.117 R)
• M79: 39,642,389 km (0.064 R)
• M80: 39,774,334 km (0.109 R)
• M81: 39,972,401 km (0.075 R)
• M82: 40,104,796 km (0.096 R)
• M83: 40,968,274 km (0.063 R)
• M84: 41,368,898 km (0.059 R)
• M85: 42,039,545 km (0.108 R)
• M86: 42,106,714 km (0.072 R)
• M87: 42,916,637 km (0.097 R)
• M88: 43,595,512 km (0.067 R)
• M89: 44,004,513 km (0.113 R)
• M90: 44,072,729 km (0.098 R)
• M91: 44,620,407 km (0.095 R)
• M92: 45,860,723 km (0.085 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 16,683 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit