🌌 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: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.6 AU - 0.68 AU

Year: 336 Days

Day: 38.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,986,865 km

• M1: 169,494 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.56 AU - 0.72 AU

Year: 336 Days

Day: 20 Hours

Environment

Temp: -126 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.56 AU - 0.76 AU

Year: 352 Days

Day: 45.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,986,865 km

• M1: 201,359 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.51 AU - 0.83 AU

Year: 360 Days

Day: 16.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,986,865 km

• M1: 242,349 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.6

Radius: 12

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.75 AU - 0.95 AU

Year: 514 Days

Day: 9.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 24,986,865 km

• M1: 156,779 km (0.089 R)
• M2: 260,151 km (0.112 R)
• M3: 343,926 km (0.102 R)
• M4: 431,440 km (0.115 R)
• M5: 560,244 km (0.106 R)
• M6: 743,352 km (0.076 R)
• M7: 819,946 km (0.074 R)
• M8: 937,979 km (0.085 R)
• M9: 1,046,886 km (0.066 R)
• M10: 1,123,929 km (0.114 R)
• M11: 1,213,688 km (0.072 R)
• M12: 1,475,185 km (0.086 R)
• M13: 1,562,699 km (0.036 R)
• M14: 1,639,892 km (0.107 R)
• M15: 1,873,414 km (0.03 R)
• M16: 1,987,857 km (0.117 R)
• M17: 2,072,080 km (0.1 R)
• M18: 2,164,232 km (0.116 R)
• M19: 2,435,005 km (0.053 R)
• M20: 2,753,050 km (0.105 R)
• M21: 2,876,767 km (0.034 R)
• M22: 3,114,777 km (0.036 R)
• M23: 3,205,733 km (0.082 R)
• M24: 3,507,472 km (0.059 R)
• M25: 3,834,792 km (0.088 R)
• M26: 4,039,292 km (0.068 R)
• M27: 4,171,985 km (0.088 R)
• M28: 4,272,665 km (0.072 R)
• M29: 4,450,537 km (0.113 R)
• M30: 4,605,071 km (0.096 R)
• M31: 4,726,545 km (0.093 R)
• M32: 5,026,040 km (0.076 R)
• M33: 5,124,176 km (0.107 R)
• M34: 5,223,060 km (0.111 R)
• M35: 5,395,397 km (0.085 R)
• M36: 5,597,204 km (0.105 R)
• M37: 5,764,305 km (0.119 R)
• M38: 5,933,052 km (0.119 R)
• M39: 6,008,598 km (0.101 R)
• M40: 6,151,016 km (0.078 R)
• M41: 6,237,034 km (0.101 R)
• M42: 6,333,076 km (0.111 R)
• M43: 6,458,738 km (0.055 R)
• M44: 6,536,529 km (0.098 R)
• M45: 6,624,343 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27

Radius: 11.5

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.86 AU - 1.2 AU

Year: 686 Days

Day: 12.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,986,865 km

• M1: 146,905 km (0.092 R)
• M2: 297,999 km (0.052 R)
• M3: 394,041 km (0.075 R)
• M4: 488,287 km (0.042 R)
• M5: 575,054 km (0.114 R)
• M6: 665,561 km (0.118 R)
• M7: 805,585 km (0.062 R)
• M8: 904,020 km (0.111 R)
• M9: 1,102,985 km (0.103 R)
• M10: 1,269,338 km (0.107 R)
• M11: 1,419,684 km (0.117 R)
• M12: 1,512,883 km (0.036 R)
• M13: 1,588,879 km (0.114 R)
• M14: 1,735,186 km (0.116 R)
• M15: 1,838,707 km (0.029 R)
• M16: 2,006,706 km (0.043 R)
• M17: 2,112,023 km (0.03 R)
• M18: 2,186,971 km (0.042 R)
• M19: 2,277,478 km (0.102 R)
• M20: 2,358,111 km (0.095 R)
• M21: 2,443,382 km (0.079 R)
• M22: 2,571,587 km (0.059 R)
• M23: 2,671,070 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 14.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.94 AU - 1.24 AU

Year: 747 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 24,986,865 km

• M1: 185,352 km (0.041 R)
• M2: 286,480 km (0.074 R)
• M3: 399,576 km (0.106 R)
• M4: 546,331 km (0.065 R)
• M5: 675,285 km (0.052 R)
• M6: 800,498 km (0.092 R)
• M7: 1,126,921 km (0.109 R)
• M8: 1,332,917 km (0.047 R)
• M9: 1,538,165 km (0.086 R)
• M10: 1,724,714 km (0.09 R)
• M11: 1,836,015 km (0.098 R)
• M12: 1,942,229 km (0.089 R)
• M13: 2,105,440 km (0.078 R)
• M14: 2,273,439 km (0.094 R)
• M15: 2,521,472 km (0.093 R)
• M16: 2,735,247 km (0.066 R)
• M17: 2,901,750 km (0.114 R)
• M18: 3,035,640 km (0.081 R)
• M19: 3,171,624 km (0.039 R)
• M20: 3,393,628 km (0.066 R)
• M21: 3,515,999 km (0.105 R)
• M22: 3,726,633 km (0.071 R)
• M23: 3,862,916 km (0.097 R)
• M24: 4,060,535 km (0.05 R)
• M25: 4,445,301 km (0.105 R)
• M26: 4,538,201 km (0.079 R)
• M27: 4,631,849 km (0.109 R)
• M28: 4,726,096 km (0.115 R)
• M29: 5,034,118 km (0.049 R)
• M30: 5,141,978 km (0.108 R)
• M31: 5,326,881 km (0.101 R)
• M32: 5,458,826 km (0.119 R)
• M33: 5,569,678 km (0.058 R)
• M34: 5,816,216 km (0.065 R)
• M35: 6,009,197 km (0.099 R)
• M36: 6,285,205 km (0.051 R)
• M37: 6,448,267 km (0.095 R)
• M38: 6,589,038 km (0.085 R)
• M39: 6,766,611 km (0.11 R)
• M40: 6,945,680 km (0.097 R)
• M41: 7,715,361 km (0.034 R)
• M42: 7,827,559 km (0.057 R)
• M43: 8,028,319 km (0.069 R)
• M44: 8,332,751 km (0.064 R)
• M45: 8,473,523 km (0.066 R)
• M46: 8,589,311 km (0.106 R)
• M47: 8,731,579 km (0.087 R)
• M48: 8,835,549 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.3

Radius: 10.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.25 AU - 2.71 AU

Year: 2562 Days

Day: 15 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 24,986,865 km

• M1: 145,260 km (0.112 R)
• M2: 212,878 km (0.072 R)
• M3: 340,934 km (0.032 R)
• M4: 441,763 km (0.068 R)
• M5: 746,045 km (0.051 R)
• M6: 1,044,492 km (0.076 R)
• M7: 1,369,269 km (0.097 R)
• M8: 1,444,667 km (0.086 R)
• M9: 1,622,389 km (0.085 R)
• M10: 1,702,424 km (0.113 R)
• M11: 1,807,441 km (0.034 R)
• M12: 1,999,675 km (0.057 R)
• M13: 2,098,260 km (0.052 R)
• M14: 2,262,219 km (0.092 R)
• M15: 2,378,157 km (0.09 R)
• M16: 2,562,612 km (0.104 R)
• M17: 2,683,786 km (0.114 R)
• M18: 2,779,379 km (0.091 R)
• M19: 3,130,036 km (0.055 R)
• M20: 3,361,913 km (0.057 R)
• M21: 3,465,285 km (0.099 R)
• M22: 3,827,462 km (0.097 R)
• M23: 4,075,794 km (0.115 R)
• M24: 4,154,482 km (0.111 R)
• M25: 4,329,362 km (0.096 R)
• M26: 4,409,696 km (0.114 R)
• M27: 4,523,092 km (0.118 R)
• M28: 4,637,384 km (0.085 R)
• M29: 4,719,663 km (0.088 R)
• M30: 4,885,567 km (0.077 R)
• M31: 4,969,342 km (0.1 R)
• M32: 5,395,098 km (0.107 R)
• M33: 5,832,821 km (0.1 R)
• M34: 6,155,055 km (0.103 R)
• M35: 6,263,812 km (0.105 R)
• M36: 6,391,419 km (0.096 R)
• M37: 6,538,325 km (0.115 R)
• M38: 6,612,226 km (0.115 R)
• M39: 6,742,376 km (0.064 R)
• M40: 7,366,648 km (0.085 R)
• M41: 7,520,883 km (0.099 R)
• M42: 7,734,659 km (0.05 R)
• M43: 8,108,653 km (0.073 R)
• M44: 8,589,461 km (0.051 R)
• M45: 8,751,775 km (0.102 R)
• M46: 8,874,295 km (0.112 R)
• M47: 9,038,404 km (0.058 R)
• M48: 9,224,354 km (0.085 R)
• M49: 9,662,975 km (0.042 R)
• M50: 9,747,348 km (0.112 R)
• M51: 9,937,936 km (0.092 R)
• M52: 10,129,870 km (0.086 R)
• M53: 10,301,459 km (0.11 R)
• M54: 10,409,169 km (0.087 R)
• M55: 10,517,329 km (0.11 R)
• M56: 10,800,218 km (0.06 R)
• M57: 10,975,547 km (0.064 R)
• M58: 11,262,625 km (0.106 R)
• M59: 12,688,143 km (0.065 R)
• M60: 12,966,096 km (0.103 R)
• M61: 13,622,532 km (0.083 R)
• M62: 13,812,072 km (0.095 R)
• M63: 14,992,100 km (0.039 R)
• M64: 15,163,240 km (0.097 R)
• M65: 15,433,713 km (0.057 R)
• M66: 15,979,147 km (0.062 R)
• M67: 16,254,407 km (0.115 R)
• M68: 16,455,467 km (0.08 R)
• M69: 16,632,142 km (0.066 R)
• M70: 16,809,415 km (0.07 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 14.1

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.17 AU - 3.71 AU

Year: 4185 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 24,986,865 km

• M1: 186,848 km (0.107 R)
• M2: 381,325 km (0.086 R)
• M3: 469,588 km (0.095 R)
• M4: 605,572 km (0.118 R)
• M5: 758,012 km (0.108 R)
• M6: 924,964 km (0.042 R)
• M7: 1,258,716 km (0.095 R)
• M8: 1,517,072 km (0.108 R)
• M9: 1,899,145 km (0.032 R)
• M10: 2,023,012 km (0.053 R)
• M11: 2,246,511 km (0.078 R)
• M12: 2,394,613 km (0.091 R)
• M13: 2,788,205 km (0.066 R)
• M14: 2,894,270 km (0.03 R)
• M15: 3,351,591 km (0.1 R)
• M16: 4,090,305 km (0.041 R)
• M17: 4,772,322 km (0.072 R)
• M18: 4,878,835 km (0.118 R)
• M19: 5,115,948 km (0.117 R)
• M20: 5,512,382 km (0.084 R)
• M21: 5,736,929 km (0.097 R)
• M22: 5,987,356 km (0.06 R)
• M23: 6,311,534 km (0.102 R)
• M24: 6,428,669 km (0.081 R)
• M25: 6,736,841 km (0.111 R)
• M26: 7,590,446 km (0.057 R)
• M27: 7,765,326 km (0.031 R)
• M28: 7,916,271 km (0.043 R)
• M29: 8,068,112 km (0.087 R)
• M30: 8,400,668 km (0.059 R)
• M31: 8,529,921 km (0.099 R)
• M32: 8,973,927 km (0.12 R)
• M33: 9,721,618 km (0.093 R)
• M34: 10,103,092 km (0.11 R)
• M35: 10,489,503 km (0.114 R)
• M36: 10,740,529 km (0.087 R)
• M37: 10,965,374 km (0.058 R)
• M38: 11,305,410 km (0.045 R)
• M39: 11,764,377 km (0.105 R)
• M40: 11,938,060 km (0.104 R)
• M41: 12,170,984 km (0.116 R)
• M42: 12,789,571 km (0.083 R)
• M43: 13,267,835 km (0.083 R)
• M44: 13,630,460 km (0.115 R)
• M45: 14,118,897 km (0.101 R)
• M46: 14,303,651 km (0.045 R)
• M47: 14,582,202 km (0.08 R)
• M48: 14,706,518 km (0.081 R)
• M49: 14,893,814 km (0.1 R)
• M50: 15,113,125 km (0.083 R)
• M51: 16,517,101 km (0.104 R)
• M52: 17,037,851 km (0.102 R)
• M53: 17,399,130 km (0.066 R)
• M54: 17,729,741 km (0.082 R)
• M55: 17,962,366 km (0.074 R)
• M56: 18,835,419 km (0.1 R)
• M57: 18,936,996 km (0.051 R)
• M58: 19,311,140 km (0.052 R)
• M59: 19,963,237 km (0.06 R)
• M60: 22,320,152 km (0.084 R)
• M61: 22,932,157 km (0.117 R)
• M62: 23,113,170 km (0.097 R)
• M63: 23,367,487 km (0.074 R)
• M64: 23,915,464 km (0.049 R)
• M65: 24,652,682 km (0.087 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 20,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit