🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.55 AU - 0.63 AU

Year: 162 Days

Day: 39.1 Hours

Environment

Temp: 191 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,693,314 km

• M1: 145,409 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.58 AU - 1.88 AU

Year: 815 Days

Day: 44.3 Hours

Environment

Temp: -53 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,693,314 km

• M1: 895,493 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.59 AU - 2.19 AU

Year: 931 Days

Day: 25.9 Hours

Environment

Temp: -44 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 51,693,314 km

• M1: 339,587 km (0.119 R)
• M2: 1,442,871 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.01 AU - 2.89 AU

Year: 1373 Days

Day: 47.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.82 AU - 3.06 AU

Year: 1805 Days

Day: 47.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.47 AU - 5.79 AU

Year: 4161 Days

Day: 33.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.7

Radius: 14.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.28 AU - 6.46 AU

Year: 4457 Days

Day: 12 Hours

Environment

Temp: -137 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 51,693,314 km

• M1: 178,321 km (0.117 R)
• M2: 309,518 km (0.113 R)
• M3: 428,299 km (0.062 R)
• M4: 550,520 km (0.118 R)
• M5: 709,543 km (0.093 R)
• M6: 815,159 km (0.1 R)
• M7: 968,497 km (0.115 R)
• M8: 1,062,145 km (0.083 R)
• M9: 1,363,136 km (0.049 R)
• M10: 1,509,293 km (0.117 R)
• M11: 1,650,813 km (0.061 R)
• M12: 1,850,376 km (0.07 R)
• M13: 2,250,850 km (0.05 R)
• M14: 2,461,483 km (0.11 R)
• M15: 2,593,578 km (0.057 R)
• M16: 2,740,483 km (0.05 R)
• M17: 2,915,513 km (0.091 R)
• M18: 3,369,393 km (0.077 R)
• M19: 3,611,741 km (0.095 R)
• M20: 4,014,309 km (0.093 R)
• M21: 4,113,792 km (0.079 R)
• M22: 4,214,022 km (0.094 R)
• M23: 4,358,684 km (0.106 R)
• M24: 4,578,742 km (0.097 R)
• M25: 5,106,823 km (0.098 R)
• M26: 5,292,473 km (0.098 R)
• M27: 5,496,076 km (0.028 R)
• M28: 5,766,400 km (0.111 R)
• M29: 5,927,367 km (0.046 R)
• M30: 6,057,367 km (0.11 R)
• M31: 6,402,938 km (0.108 R)
• M32: 6,553,135 km (0.064 R)
• M33: 6,653,814 km (0.087 R)
• M34: 7,304,116 km (0.112 R)
• M35: 7,566,361 km (0.1 R)
• M36: 7,689,779 km (0.088 R)
• M37: 7,849,550 km (0.102 R)
• M38: 8,154,430 km (0.069 R)
• M39: 8,335,593 km (0.083 R)
• M40: 8,499,702 km (0.112 R)
• M41: 8,775,860 km (0.093 R)
• M42: 9,280,154 km (0.056 R)
• M43: 9,374,700 km (0.057 R)
• M44: 9,717,429 km (0.117 R)
• M45: 9,871,066 km (0.11 R)
• M46: 9,967,407 km (0.087 R)
• M47: 10,141,838 km (0.052 R)
• M48: 10,356,511 km (0.056 R)
• M49: 10,671,265 km (0.088 R)
• M50: 10,989,160 km (0.105 R)
• M51: 11,330,543 km (0.091 R)
• M52: 11,472,062 km (0.075 R)
• M53: 11,797,886 km (0.066 R)
• M54: 11,961,846 km (0.059 R)
• M55: 12,271,513 km (0.082 R)
• M56: 12,583,874 km (0.065 R)
• M57: 12,919,871 km (0.094 R)
• M58: 13,472,335 km (0.077 R)
• M59: 13,600,840 km (0.073 R)
• M60: 13,989,046 km (0.089 R)
• M61: 14,206,412 km (0.103 R)
• M62: 14,512,489 km (0.081 R)
• M63: 14,622,294 km (0.038 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.1

Radius: 12.2

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 10.86 AU - 12.62 AU

Year: 14407 Days

Day: 5.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 51,693,314 km

• M1: 204,351 km (0.112 R)
• M2: 347,366 km (0.093 R)
• M3: 511,026 km (0.045 R)
• M4: 604,525 km (0.096 R)
• M5: 687,701 km (0.079 R)
• M6: 886,517 km (0.053 R)
• M7: 983,606 km (0.116 R)
• M8: 1,105,229 km (0.111 R)
• M9: 1,432,549 km (0.078 R)
• M10: 1,572,124 km (0.105 R)
• M11: 1,692,102 km (0.083 R)
• M12: 1,790,387 km (0.094 R)
• M13: 2,097,213 km (0.117 R)
• M14: 2,311,287 km (0.112 R)
• M15: 2,732,256 km (0.061 R)
• M16: 2,877,964 km (0.041 R)
• M17: 3,116,722 km (0.045 R)
• M18: 3,269,312 km (0.073 R)
• M19: 3,677,714 km (0.113 R)
• M20: 4,303,931 km (0.102 R)
• M21: 4,612,252 km (0.099 R)
• M22: 4,857,144 km (0.035 R)
• M23: 4,998,962 km (0.082 R)
• M24: 5,432,946 km (0.066 R)
• M25: 5,691,750 km (0.114 R)
• M26: 6,106,735 km (0.08 R)
• M27: 6,414,607 km (0.116 R)
• M28: 6,965,875 km (0.118 R)
• M29: 7,206,877 km (0.093 R)
• M30: 7,369,042 km (0.061 R)
• M31: 7,491,413 km (0.056 R)
• M32: 8,410,093 km (0.116 R)
• M33: 9,100,487 km (0.051 R)
• M34: 9,630,213 km (0.093 R)
• M35: 10,215,440 km (0.067 R)
• M36: 10,489,503 km (0.118 R)
• M37: 10,627,433 km (0.085 R)
• M38: 11,138,459 km (0.094 R)
• M39: 11,232,257 km (0.052 R)
• M40: 12,039,936 km (0.083 R)
• M41: 12,184,298 km (0.113 R)
• M42: 13,261,552 km (0.115 R)
• M43: 13,660,829 km (0.112 R)
• M44: 13,761,209 km (0.104 R)
• M45: 13,962,867 km (0.091 R)
• M46: 16,032,553 km (0.116 R)
• M47: 17,048,772 km (0.117 R)
• M48: 19,031,243 km (0.08 R)
• M49: 20,911,688 km (0.118 R)
• M50: 21,551,668 km (0.116 R)
• M51: 22,138,989 km (0.112 R)
• M52: 23,089,683 km (0.092 R)
• M53: 24,663,004 km (0.108 R)
• M54: 25,896,588 km (0.076 R)
• M55: 26,083,436 km (0.108 R)
• M56: 26,395,647 km (0.038 R)
• M57: 27,466,767 km (0.067 R)
• M58: 28,295,390 km (0.086 R)
• M59: 28,745,081 km (0.117 R)
• M60: 30,896,299 km (0.111 R)
• M61: 32,091,586 km (0.038 R)
• M62: 33,369,451 km (0.092 R)
• M63: 33,776,506 km (0.075 R)
• M64: 34,801,252 km (0.113 R)
• M65: 35,076,213 km (0.11 R)
• M66: 35,559,264 km (0.118 R)
• M67: 37,865,764 km (0.083 R)
• M68: 38,148,504 km (0.12 R)
• M69: 39,358,452 km (0.073 R)
• M70: 39,932,309 km (0.104 R)
• M71: 40,436,604 km (0.11 R)
• M72: 40,870,437 km (0.102 R)
• M73: 41,233,362 km (0.113 R)
• M74: 42,328,119 km (0.056 R)
• M75: 42,474,875 km (0.084 R)
• M76: 43,358,549 km (0.072 R)
• M77: 43,580,552 km (0.068 R)
• M78: 44,770,304 km (0.075 R)
• M79: 45,444,243 km (0.087 R)
• M80: 46,802,143 km (0.102 R)
• M81: 47,029,831 km (0.114 R)
• M82: 49,712,569 km (0.111 R)
• M83: 50,255,011 km (0.119 R)
• M84: 51,111,459 km (0.072 R)
• M85: 52,129,921 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.3

Radius: 4.4

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 11.59 AU - 18.17 AU

Year: 20558 Days

Day: 18.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 51,693,314 km

• M1: 179,368 km (0.053 R)
• M2: 234,869 km (0.079 R)
• M3: 336,595 km (0.093 R)
• M4: 467,793 km (0.117 R)
• M5: 632,051 km (0.099 R)
• M6: 720,763 km (0.113 R)
• M7: 832,662 km (0.075 R)
• M8: 930,349 km (0.071 R)
• M9: 970,441 km (0.108 R)
• M10: 1,115,402 km (0.087 R)
• M11: 1,495,680 km (0.046 R)
• M12: 1,712,297 km (0.095 R)
• M13: 2,201,333 km (0.084 R)
• M14: 2,309,492 km (0.053 R)
• M15: 2,391,771 km (0.036 R)
• M16: 2,673,164 km (0.111 R)
• M17: 3,359,519 km (0.032 R)
• M18: 4,097,186 km (0.11 R)
• M19: 4,433,034 km (0.102 R)
• M20: 4,569,916 km (0.083 R)
• M21: 4,742,851 km (0.117 R)
• M22: 4,777,707 km (0.095 R)
• M23: 5,456,134 km (0.069 R)
• M24: 5,639,541 km (0.064 R)
• M25: 5,825,191 km (0.114 R)
• M26: 6,626,138 km (0.079 R)
• M27: 6,704,079 km (0.098 R)
• M28: 6,979,788 km (0.095 R)
• M29: 7,179,052 km (0.09 R)
• M30: 7,259,237 km (0.079 R)
• M31: 7,705,637 km (0.081 R)
• M32: 7,828,905 km (0.03 R)
• M33: 8,244,638 km (0.065 R)
• M34: 8,497,458 km (0.109 R)
• M35: 8,582,280 km (0.045 R)
• M36: 8,624,766 km (0.072 R)
• M37: 8,667,401 km (0.093 R)
• M38: 8,838,541 km (0.044 R)
• M39: 9,666,416 km (0.085 R)
• M40: 10,564,302 km (0.093 R)
• M41: 11,723,836 km (0.083 R)
• M42: 11,818,232 km (0.062 R)
• M43: 12,055,644 km (0.082 R)
• M44: 12,103,216 km (0.1 R)
• M45: 12,198,659 km (0.116 R)
• M46: 12,777,005 km (0.082 R)
• M47: 13,020,550 km (0.034 R)
• M48: 13,167,455 km (0.119 R)
• M49: 14,564,549 km (0.086 R)
• M50: 15,280,525 km (0.111 R)
• M51: 15,435,508 km (0.119 R)
• M52: 15,694,761 km (0.099 R)
• M53: 15,746,821 km (0.098 R)
• M54: 16,640,370 km (0.113 R)
• M55: 17,013,167 km (0.104 R)
• M56: 17,820,996 km (0.097 R)
• M57: 18,202,321 km (0.048 R)
• M58: 18,696,443 km (0.04 R)
• M59: 19,417,953 km (0.047 R)
• M60: 20,432,077 km (0.073 R)
• M61: 20,831,055 km (0.059 R)
• M62: 20,945,497 km (0.058 R)
• M63: 21,002,793 km (0.116 R)
• M64: 21,060,239 km (0.099 R)
• M65: 21,347,766 km (0.078 R)
• M66: 21,521,000 km (0.09 R)
• M67: 21,868,815 km (0.063 R)
• M68: 22,101,739 km (0.074 R)
• M69: 22,628,772 km (0.051 R)
• M70: 22,687,564 km (0.079 R)
• M71: 22,805,298 km (0.084 R)
• M72: 23,159,845 km (0.096 R)
• M73: 26,184,415 km (0.076 R)
• M74: 26,679,733 km (0.104 R)
• M75: 27,679,795 km (0.05 R)
• M76: 28,184,239 km (0.093 R)
• M77: 28,883,010 km (0.06 R)
• M78: 29,587,467 km (0.05 R)
• M79: 30,103,280 km (0.113 R)
• M80: 32,196,155 km (0.11 R)
• M81: 33,193,224 km (0.069 R)
• M82: 37,629,549 km (0.089 R)
• M83: 38,468,644 km (0.065 R)
• M84: 38,960,970 km (0.067 R)
• M85: 40,521,874 km (0.098 R)
• M86: 41,238,149 km (0.1 R)
• M87: 41,309,956 km (0.081 R)
• M88: 41,669,888 km (0.06 R)
• M89: 44,217,989 km (0.119 R)
• M90: 44,733,653 km (0.115 R)
• M91: 47,567,635 km (0.107 R)
• M92: 48,322,955 km (0.114 R)
• M93: 49,922,006 km (0.092 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 11,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit