🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767

Radius: 9.6

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,326,341 km

• M1: 119,379 km (0.115 R)
• M2: 487,091 km (0.097 R)
• M3: 914,342 km (0.057 R)
• M4: 1,222,215 km (0.07 R)
• M5: 1,666,371 km (0.098 R)
• M6: 2,421,690 km (0.095 R)
• M7: 2,796,732 km (0.07 R)
• M8: 3,575,838 km (0.032 R)
• M9: 4,147,900 km (0.088 R)
• M10: 4,567,223 km (0.089 R)
• M11: 5,159,631 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 9.1

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.76 AU - 0.94 AU

Year: 541 Days

Day: 5.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,326,341 km

• M1: 113,246 km (0.077 R)
• M2: 403,465 km (0.052 R)
• M3: 889,958 km (0.057 R)
• M4: 1,978,432 km (0.113 R)
• M5: 2,587,146 km (0.089 R)
• M6: 3,135,571 km (0.104 R)
• M7: 3,479,198 km (0.07 R)
• M8: 4,055,000 km (0.051 R)
• M9: 4,766,338 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 8.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.96 AU - 1.16 AU

Year: 753 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,326,341 km

• M1: 110,702 km (0.088 R)
• M2: 470,485 km (0.093 R)
• M3: 830,567 km (0.096 R)
• M4: 1,196,484 km (0.101 R)
• M5: 1,555,818 km (0.073 R)
• M6: 1,968,259 km (0.081 R)
• M7: 2,596,570 km (0.119 R)
• M8: 3,285,768 km (0.069 R)
• M9: 3,659,164 km (0.1 R)
• M10: 3,969,131 km (0.059 R)
• M11: 4,280,593 km (0.104 R)
• M12: 6,570,488 km (0.066 R)
• M13: 7,605,257 km (0.112 R)
• M14: 7,989,573 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.6

Radius: 11.7

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.19 AU - 1.83 AU

Year: 1281 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,326,341 km

• M1: 145,559 km (0.088 R)
• M2: 546,331 km (0.105 R)
• M3: 1,080,845 km (0.064 R)
• M4: 1,589,477 km (0.085 R)
• M5: 2,004,761 km (0.069 R)
• M6: 2,551,691 km (0.108 R)
• M7: 3,113,730 km (0.089 R)
• M8: 3,528,415 km (0.094 R)
• M9: 3,947,589 km (0.1 R)
• M10: 4,452,332 km (0.066 R)
• M11: 4,868,364 km (0.109 R)
• M12: 6,431,512 km (0.072 R)
• M13: 7,402,551 km (0.067 R)
• M14: 8,632,844 km (0.099 R)
• M15: 9,311,570 km (0.116 R)
• M16: 9,964,565 km (0.082 R)
• M17: 10,584,648 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 10.1

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.63 AU - 1.79 AU

Year: 1543 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,326,341 km

• M1: 125,812 km (0.086 R)
• M2: 448,644 km (0.12 R)
• M3: 941,270 km (0.084 R)
• M4: 1,272,629 km (0.09 R)
• M5: 1,636,451 km (0.064 R)
• M6: 2,125,337 km (0.078 R)
• M7: 2,454,153 km (0.096 R)
• M8: 2,817,078 km (0.06 R)
• M9: 3,539,635 km (0.081 R)
• M10: 3,936,369 km (0.106 R)
• M11: 4,511,573 km (0.1 R)
• M12: 4,999,112 km (0.077 R)
• M13: 5,874,858 km (0.095 R)
• M14: 6,457,093 km (0.1 R)
• M15: 6,950,317 km (0.071 R)
• M16: 7,984,338 km (0.098 R)
• M17: 8,379,575 km (0.101 R)
• M18: 10,125,382 km (0.097 R)
• M19: 10,928,573 km (0.097 R)
• M20: 11,522,776 km (0.119 R)
• M21: 12,028,118 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 13.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.17 AU - 4.63 AU

Year: 5316 Days

Day: 6.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,326,341 km

• M1: 163,510 km (0.1 R)
• M2: 693,386 km (0.089 R)
• M3: 1,256,622 km (0.118 R)
• M4: 1,926,372 km (0.088 R)
• M5: 2,536,282 km (0.082 R)
• M6: 3,876,230 km (0.059 R)
• M7: 6,328,738 km (0.109 R)
• M8: 7,510,711 km (0.111 R)
• M9: 8,527,827 km (0.117 R)
• M10: 8,990,982 km (0.115 R)
• M11: 9,675,990 km (0.089 R)
• M12: 10,308,939 km (0.108 R)
• M13: 11,150,427 km (0.118 R)
• M14: 12,970,285 km (0.065 R)
• M15: 13,636,145 km (0.103 R)
• M16: 16,002,185 km (0.116 R)
• M17: 17,130,452 km (0.1 R)
• M18: 17,745,150 km (0.112 R)
• M19: 18,247,350 km (0.102 R)
• M20: 19,412,418 km (0.114 R)
• M21: 20,284,274 km (0.101 R)
• M22: 20,695,369 km (0.108 R)
• M23: 22,761,316 km (0.113 R)
• M24: 25,118,230 km (0.108 R)
• M25: 27,466,468 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.7

Radius: 10.9

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.16 AU - 5.48 AU

Year: 8470 Days

Day: 14.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,326,341 km

• M1: 135,536 km (0.096 R)
• M2: 645,664 km (0.08 R)
• M3: 1,097,001 km (0.097 R)
• M4: 1,558,810 km (0.118 R)
• M5: 2,350,033 km (0.112 R)
• M6: 4,741,056 km (0.098 R)
• M7: 5,142,427 km (0.103 R)
• M8: 6,013,984 km (0.089 R)
• M9: 7,937,513 km (0.114 R)
• M10: 8,351,301 km (0.031 R)
• M11: 9,222,410 km (0.085 R)
• M12: 10,959,989 km (0.118 R)
• M13: 11,473,857 km (0.06 R)
• M14: 12,701,607 km (0.066 R)
• M15: 13,268,882 km (0.106 R)
• M16: 14,178,587 km (0.099 R)
• M17: 15,649,732 km (0.05 R)
• M18: 17,282,593 km (0.03 R)
• M19: 18,108,074 km (0.104 R)
• M20: 21,529,527 km (0.091 R)
• M21: 26,927,168 km (0.105 R)
• M22: 27,863,651 km (0.115 R)
• M23: 28,383,653 km (0.12 R)

Asteroid Belt

Center: 6.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.1

Radius: 3.9

Gravity: 48.92 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.47 AU - 8.95 AU

Year: 13363 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,326,341 km

• M1: 63,429 km (0.089 R)
• M2: 250,128 km (0.106 R)
• M3: 609,611 km (0.039 R)
• M4: 1,050,626 km (0.039 R)
• M5: 1,373,757 km (0.09 R)
• M6: 2,042,759 km (0.088 R)
• M7: 2,334,624 km (0.098 R)
• M8: 2,720,886 km (0.082 R)
• M9: 4,864,175 km (0.1 R)
• M10: 7,205,681 km (0.106 R)
• M11: 11,227,171 km (0.073 R)
• M12: 13,473,532 km (0.107 R)
• M13: 14,078,506 km (0.039 R)
• M14: 15,270,502 km (0.116 R)
• M15: 25,046,723 km (0.117 R)
• M16: 28,394,274 km (0.063 R)
• M17: 34,078,993 km (0.054 R)
• M18: 37,908,699 km (0.047 R)
• M19: 47,939,236 km (0.081 R)
• M20: 49,029,954 km (0.036 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.7

Radius: 4.5

Gravity: 45.22 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.48 AU - 8.9 AU

Year: 14720 Days

Day: 22.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,326,341 km

• M1: 62,981 km (0.052 R)
• M2: 330,462 km (0.094 R)
• M3: 763,248 km (0.055 R)
• M4: 1,283,849 km (0.093 R)
• M5: 2,109,480 km (0.073 R)
• M6: 2,622,600 km (0.101 R)
• M7: 2,810,944 km (0.105 R)
• M8: 2,982,982 km (0.065 R)
• M9: 4,425,255 km (0.064 R)
• M10: 4,624,818 km (0.072 R)
• M11: 5,114,003 km (0.038 R)
• M12: 5,446,110 km (0.097 R)
• M13: 5,675,444 km (0.105 R)
• M14: 8,137,227 km (0.053 R)
• M15: 8,796,205 km (0.109 R)
• M16: 9,490,190 km (0.072 R)
• M17: 9,934,944 km (0.087 R)
• M18: 13,793,971 km (0.105 R)
• M19: 14,077,309 km (0.084 R)
• M20: 14,802,410 km (0.093 R)
• M21: 18,460,676 km (0.081 R)
• M22: 21,333,554 km (0.104 R)
• M23: 21,999,414 km (0.057 R)
• M24: 26,396,544 km (0.12 R)
• M25: 33,333,846 km (0.082 R)
• M26: 33,715,919 km (0.063 R)
• M27: 35,141,587 km (0.107 R)
• M28: 35,669,967 km (0.071 R)
• M29: 36,069,543 km (0.116 R)
• M30: 39,233,388 km (0.099 R)
• M31: 42,726,797 km (0.112 R)
• M32: 42,876,695 km (0.071 R)
• M33: 44,857,370 km (0.119 R)
• M34: 45,012,204 km (0.072 R)
• M35: 45,948,836 km (0.081 R)
• M36: 46,580,289 km (0.083 R)
• M37: 52,871,328 km (0.106 R)
• M38: 53,913,726 km (0.12 R)
• M39: 61,596,774 km (0.051 R)
• M40: 62,557,342 km (0.104 R)
• M41: 66,298,635 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 15,448 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit