🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.62 AU - 0.88 AU

Year: 292 Days

Day: 16.9 Hours

Environment

Temp: -42 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,646,920 km

• M1: 173,384 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.89 AU - 1.09 AU

Year: 443 Days

Day: 26.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.92 AU - 1.09 AU

Year: 450 Days

Day: 39.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,646,920 km

• M1: 56,249 km (0.119 R)
• M2: 263,292 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.91 AU - 1.37 AU

Year: 547 Days

Day: 17.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 8.7

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.98 AU - 4.56 AU

Year: 3291 Days

Day: 10.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 97,646,920 km

• M1: 114,143 km (0.088 R)
• M2: 204,949 km (0.117 R)
• M3: 375,491 km (0.084 R)
• M4: 469,289 km (0.109 R)
• M5: 541,993 km (0.099 R)
• M6: 846,275 km (0.071 R)
• M7: 946,655 km (0.066 R)
• M8: 1,060,799 km (0.116 R)
• M9: 1,149,660 km (0.091 R)
• M10: 1,324,540 km (0.053 R)
• M11: 1,586,186 km (0.086 R)
• M12: 1,793,230 km (0.07 R)
• M13: 2,120,400 km (0.107 R)
• M14: 2,233,795 km (0.108 R)
• M15: 2,310,390 km (0.113 R)
• M16: 2,599,113 km (0.102 R)
• M17: 2,857,918 km (0.093 R)
• M18: 2,927,331 km (0.081 R)
• M19: 3,011,555 km (0.106 R)
• M20: 3,139,311 km (0.103 R)
• M21: 3,239,991 km (0.119 R)
• M22: 3,400,210 km (0.09 R)
• M23: 3,548,312 km (0.114 R)
• M24: 3,608,151 km (0.12 R)
• M25: 3,668,289 km (0.093 R)
• M26: 3,820,281 km (0.074 R)
• M27: 4,432,585 km (0.114 R)
• M28: 4,594,450 km (0.027 R)
• M29: 4,692,586 km (0.12 R)
• M30: 4,874,347 km (0.068 R)
• M31: 5,295,914 km (0.114 R)
• M32: 5,364,430 km (0.084 R)
• M33: 5,519,862 km (0.111 R)
• M34: 5,589,425 km (0.101 R)
• M35: 5,729,299 km (0.031 R)
• M36: 5,852,717 km (0.081 R)
• M37: 6,611,627 km (0.055 R)
• M38: 6,890,179 km (0.107 R)
• M39: 6,946,428 km (0.036 R)
• M40: 7,324,910 km (0.077 R)
• M41: 7,497,396 km (0.075 R)
• M42: 7,807,363 km (0.109 R)
• M43: 7,924,648 km (0.072 R)
• M44: 8,141,415 km (0.044 R)
• M45: 8,399,920 km (0.086 R)
• M46: 8,681,464 km (0.099 R)
• M47: 9,047,978 km (0.09 R)
• M48: 10,156,499 km (0.115 R)
• M49: 10,672,462 km (0.096 R)
• M50: 10,824,453 km (0.088 R)
• M51: 11,021,174 km (0.093 R)
• M52: 11,373,627 km (0.093 R)
• M53: 11,707,529 km (0.052 R)
• M54: 11,774,549 km (0.054 R)
• M55: 12,453,275 km (0.082 R)
• M56: 12,544,679 km (0.033 R)
• M57: 12,682,309 km (0.069 R)
• M58: 12,912,690 km (0.093 R)
• M59: 13,074,854 km (0.092 R)
• M60: 13,214,279 km (0.057 R)
• M61: 13,730,093 km (0.11 R)
• M62: 14,204,767 km (0.085 R)
• M63: 14,372,167 km (0.118 R)
• M64: 14,902,491 km (0.066 R)
• M65: 15,096,819 km (0.095 R)
• M66: 15,267,659 km (0.119 R)
• M67: 15,341,112 km (0.046 R)
• M68: 16,206,237 km (0.099 R)
• M69: 16,657,424 km (0.077 R)
• M70: 16,732,971 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.1

Radius: 4.6

Gravity: 33.18 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 13.93 AU - 18.03 AU

Year: 28720 Days

Day: 19 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 97,646,920 km

• M1: 102,624 km (0.075 R)
• M2: 154,834 km (0.111 R)
• M3: 490,232 km (0.091 R)
• M4: 642,224 km (0.084 R)
• M5: 751,729 km (0.067 R)
• M6: 867,368 km (0.051 R)
• M7: 1,083,537 km (0.026 R)
• M8: 1,148,313 km (0.06 R)
• M9: 1,247,945 km (0.097 R)
• M10: 1,674,449 km (0.052 R)
• M11: 1,749,697 km (0.119 R)
• M12: 1,825,992 km (0.119 R)
• M13: 2,183,082 km (0.074 R)
• M14: 2,348,687 km (0.099 R)
• M15: 2,433,060 km (0.048 R)
• M16: 2,518,480 km (0.114 R)
• M17: 2,780,426 km (0.106 R)
• M18: 3,189,726 km (0.1 R)
• M19: 3,912,732 km (0.118 R)
• M20: 4,578,742 km (0.074 R)
• M21: 5,005,844 km (0.093 R)
• M22: 5,557,411 km (0.092 R)
• M23: 5,726,606 km (0.033 R)
• M24: 5,897,597 km (0.051 R)
• M25: 6,128,127 km (0.096 R)
• M26: 7,509,963 km (0.104 R)
• M27: 7,948,883 km (0.115 R)
• M28: 9,181,569 km (0.059 R)
• M29: 9,381,731 km (0.107 R)
• M30: 9,448,602 km (0.042 R)
• M31: 9,922,079 km (0.115 R)
• M32: 10,611,875 km (0.038 R)
• M33: 10,821,760 km (0.079 R)
• M34: 11,675,067 km (0.03 R)
• M35: 13,069,768 km (0.1 R)
• M36: 13,748,643 km (0.056 R)
• M37: 15,693,565 km (0.099 R)
• M38: 17,146,310 km (0.111 R)
• M39: 17,557,404 km (0.074 R)
• M40: 18,222,068 km (0.077 R)
• M41: 19,404,639 km (0.094 R)
• M42: 19,490,059 km (0.115 R)
• M43: 20,177,910 km (0.097 R)
• M44: 20,264,378 km (0.091 R)
• M45: 21,577,249 km (0.112 R)
• M46: 23,460,985 km (0.12 R)
• M47: 27,959,393 km (0.117 R)
• M48: 29,614,843 km (0.062 R)
• M49: 30,901,983 km (0.088 R)
• M50: 31,201,628 km (0.118 R)
• M51: 31,803,759 km (0.066 R)
• M52: 33,530,418 km (0.117 R)
• M53: 34,871,413 km (0.115 R)
• M54: 36,545,563 km (0.068 R)
• M55: 36,968,327 km (0.104 R)
• M56: 40,844,258 km (0.093 R)
• M57: 41,282,729 km (0.118 R)
• M58: 41,833,249 km (0.08 R)
• M59: 42,275,311 km (0.082 R)
• M60: 43,722,670 km (0.114 R)
• M61: 46,322,981 km (0.051 R)
• M62: 47,239,118 km (0.09 R)
• M63: 49,205,582 km (0.109 R)
• M64: 52,621,500 km (0.089 R)
• M65: 53,337,774 km (0.114 R)
• M66: 53,937,063 km (0.104 R)
• M67: 55,021,498 km (0.115 R)
• M68: 55,627,071 km (0.101 R)
• M69: 58,194,320 km (0.098 R)
• M70: 59,182,563 km (0.086 R)
• M71: 59,678,630 km (0.099 R)
• M72: 60,051,727 km (0.12 R)
• M73: 60,425,572 km (0.063 R)
• M74: 62,432,128 km (0.116 R)
• M75: 62,558,239 km (0.098 R)
• M76: 63,697,277 km (0.054 R)
• M77: 65,098,710 km (0.097 R)
• M78: 66,253,007 km (0.116 R)
• M79: 66,897,026 km (0.113 R)
• M80: 70,148,686 km (0.058 R)
• M81: 71,595,746 km (0.103 R)
• M82: 72,256,669 km (0.118 R)
• M83: 72,919,687 km (0.084 R)
• M84: 78,840,172 km (0.083 R)
• M85: 80,070,166 km (0.096 R)
• M86: 80,756,222 km (0.088 R)
• M87: 81,306,443 km (0.071 R)
• M88: 83,380,767 km (0.07 R)
• M89: 85,192,547 km (0.119 R)
• M90: 85,752,641 km (0.061 R)
• M91: 90,277,378 km (0.098 R)
• M92: 94,444,277 km (0.093 R)
• M93: 95,895,526 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 10,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit