🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.8

Radius: 13.5

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.49 AU - 0.57 AU

Year: 262 Days

Day: 9.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 88,006,486 km

• M1: 181,013 km (0.071 R)
• M2: 784,342 km (0.117 R)
• M3: 1,365,380 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.2

Radius: 8.7

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.13 AU - 1.19 AU

Year: 847 Days

Day: 6.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,006,486 km

• M1: 110,104 km (0.037 R)
• M2: 392,545 km (0.097 R)
• M3: 665,711 km (0.089 R)
• M4: 970,890 km (0.114 R)
• M5: 1,275,621 km (0.082 R)
• M6: 1,984,715 km (0.088 R)
• M7: 2,382,645 km (0.072 R)
• M8: 2,909,230 km (0.083 R)
• M9: 3,297,436 km (0.118 R)
• M10: 3,984,090 km (0.11 R)
• M11: 5,659,587 km (0.091 R)
• M12: 6,375,412 km (0.114 R)
• M13: 6,687,324 km (0.082 R)
• M14: 8,012,312 km (0.085 R)
• M15: 9,852,965 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.9

Radius: 11.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.29 AU - 1.33 AU

Year: 1017 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,006,486 km

• M1: 139,276 km (0.091 R)
• M2: 515,813 km (0.085 R)
• M3: 1,362,238 km (0.04 R)
• M4: 1,727,706 km (0.034 R)
• M5: 2,129,376 km (0.118 R)
• M6: 2,628,435 km (0.054 R)
• M7: 2,982,383 km (0.073 R)
• M8: 4,113,193 km (0.054 R)
• M9: 4,627,960 km (0.044 R)
• M10: 5,000,907 km (0.11 R)
• M11: 6,676,553 km (0.09 R)
• M12: 7,413,322 km (0.118 R)
• M13: 7,975,810 km (0.103 R)
• M14: 9,352,560 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.5

Radius: 13.3

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.56 AU - 1.82 AU

Year: 1490 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,006,486 km

• M1: 165,455 km (0.076 R)
• M2: 958,623 km (0.077 R)
• M3: 1,591,422 km (0.052 R)
• M4: 2,449,964 km (0.038 R)
• M5: 3,119,415 km (0.061 R)
• M6: 3,641,212 km (0.085 R)
• M7: 5,077,950 km (0.071 R)
• M8: 5,844,190 km (0.098 R)
• M9: 6,446,920 km (0.09 R)
• M10: 8,353,096 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.7

Radius: 11.8

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.91 AU - 1.91 AU

Year: 1790 Days

Day: 9.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,006,486 km

• M1: 149,448 km (0.099 R)
• M2: 611,855 km (0.089 R)
• M3: 1,080,396 km (0.095 R)
• M4: 1,557,912 km (0.076 R)
• M5: 2,262,219 km (0.118 R)
• M6: 2,982,234 km (0.098 R)
• M7: 3,635,527 km (0.043 R)
• M8: 4,729,237 km (0.105 R)
• M9: 5,364,280 km (0.088 R)
• M10: 5,883,235 km (0.076 R)
• M11: 6,383,940 km (0.105 R)
• M12: 7,188,477 km (0.076 R)
• M13: 8,302,981 km (0.104 R)
• M14: 9,495,575 km (0.091 R)
• M15: 10,984,074 km (0.094 R)
• M16: 11,436,608 km (0.083 R)
• M17: 11,980,246 km (0.09 R)
• M18: 12,828,167 km (0.088 R)
• M19: 13,415,339 km (0.056 R)
• M20: 13,845,582 km (0.109 R)
• M21: 14,285,101 km (0.111 R)
• M22: 14,824,700 km (0.1 R)
• M23: 15,849,595 km (0.076 R)
• M24: 16,330,702 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.6

Radius: 9.1

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.35 AU - 2.55 AU

Year: 2601 Days

Day: 9.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,006,486 km

• M1: 113,246 km (0.08 R)
• M2: 478,414 km (0.098 R)
• M3: 981,362 km (0.043 R)
• M4: 1,299,108 km (0.041 R)
• M5: 2,354,371 km (0.113 R)
• M6: 3,001,532 km (0.111 R)
• M7: 3,440,153 km (0.118 R)
• M8: 4,209,834 km (0.093 R)
• M9: 6,141,890 km (0.109 R)
• M10: 8,740,405 km (0.076 R)
• M11: 9,416,588 km (0.077 R)
• M12: 9,823,643 km (0.116 R)
• M13: 10,165,475 km (0.099 R)
• M14: 10,475,890 km (0.106 R)
• M15: 11,824,216 km (0.115 R)
• M16: 12,211,225 km (0.118 R)
• M17: 12,651,193 km (0.102 R)
• M18: 13,891,808 km (0.114 R)
• M19: 14,517,277 km (0.115 R)
• M20: 16,936,125 km (0.107 R)
• M21: 18,155,796 km (0.118 R)
• M22: 20,398,866 km (0.102 R)

Asteroid Belt

Center: 5.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990

Radius: 5.8

Gravity: 29.43 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.18 AU - 9.28 AU

Year: 14577 Days

Day: 22.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,006,486 km

• M1: 78,539 km (0.09 R)
• M2: 279,898 km (0.038 R)
• M3: 471,233 km (0.047 R)
• M4: 2,145,533 km (0.108 R)
• M5: 2,505,764 km (0.099 R)
• M6: 2,856,272 km (0.051 R)
• M7: 3,456,608 km (0.095 R)
• M8: 3,654,975 km (0.078 R)
• M9: 4,904,117 km (0.075 R)
• M10: 5,644,477 km (0.111 R)
• M11: 5,960,578 km (0.071 R)
• M12: 7,206,279 km (0.111 R)
• M13: 7,625,901 km (0.107 R)
• M14: 8,719,910 km (0.113 R)
• M15: 11,153,718 km (0.109 R)
• M16: 11,778,439 km (0.099 R)
• M17: 12,893,691 km (0.066 R)
• M18: 13,097,593 km (0.117 R)
• M19: 13,581,691 km (0.045 R)
• M20: 16,659,668 km (0.114 R)
• M21: 18,748,204 km (0.095 R)
• M22: 19,185,927 km (0.046 R)
• M23: 21,668,055 km (0.061 R)
• M24: 22,247,298 km (0.108 R)
• M25: 24,252,956 km (0.089 R)
• M26: 24,668,090 km (0.079 R)
• M27: 25,405,907 km (0.098 R)
• M28: 26,049,926 km (0.109 R)
• M29: 26,594,911 km (0.061 R)
• M30: 28,275,494 km (0.079 R)
• M31: 36,650,581 km (0.116 R)
• M32: 38,587,574 km (0.119 R)
• M33: 39,438,187 km (0.068 R)
• M34: 43,879,599 km (0.068 R)
• M35: 53,564,565 km (0.104 R)
• M36: 58,250,120 km (0.04 R)
• M37: 65,779,231 km (0.097 R)
• M38: 67,195,923 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.9

Radius: 4.5

Gravity: 38.17 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.53 AU - 9.25 AU

Year: 15032 Days

Day: 21.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 175.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 88,006,486 km

• M1: 56,249 km (0.108 R)
• M2: 251,324 km (0.105 R)
• M3: 437,574 km (0.072 R)
• M4: 587,321 km (0.096 R)
• M5: 1,115,402 km (0.119 R)
• M6: 1,875,957 km (0.102 R)
• M7: 2,537,778 km (0.088 R)
• M8: 3,032,798 km (0.075 R)
• M9: 3,966,887 km (0.103 R)
• M10: 4,466,843 km (0.103 R)
• M11: 5,113,854 km (0.086 R)
• M12: 5,294,119 km (0.059 R)
• M13: 5,782,556 km (0.115 R)
• M14: 6,549,544 km (0.104 R)
• M15: 7,112,032 km (0.088 R)
• M16: 8,632,994 km (0.046 R)
• M17: 9,631,859 km (0.088 R)
• M18: 11,422,994 km (0.077 R)
• M19: 12,624,116 km (0.081 R)
• M20: 13,020,251 km (0.082 R)
• M21: 14,616,011 km (0.118 R)
• M22: 14,833,227 km (0.1 R)
• M23: 15,876,074 km (0.05 R)
• M24: 16,182,750 km (0.118 R)
• M25: 16,728,931 km (0.116 R)
• M26: 17,287,231 km (0.11 R)
• M27: 18,441,079 km (0.096 R)
• M28: 18,694,947 km (0.063 R)
• M29: 20,627,751 km (0.066 R)
• M30: 21,455,327 km (0.064 R)
• M31: 22,981,075 km (0.069 R)
• M32: 28,437,209 km (0.11 R)
• M33: 30,510,336 km (0.084 R)
• M34: 32,929,483 km (0.097 R)
• M35: 41,236,055 km (0.096 R)
• M36: 43,287,341 km (0.059 R)
• M37: 45,098,821 km (0.107 R)
• M38: 49,033,993 km (0.08 R)
• M39: 52,005,007 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.1

Radius: 3.2

Gravity: 76.87 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 9.09 AU - 11.99 AU

Year: 23209 Days

Day: 23.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,006,486 km

• M1: 39,943 km (0.094 R)
• M2: 156,928 km (0.118 R)
• M3: 261,048 km (0.119 R)
• M4: 386,710 km (0.107 R)
• M5: 535,860 km (0.106 R)
• M6: 1,752,090 km (0.112 R)
• M7: 2,367,685 km (0.056 R)
• M8: 2,560,218 km (0.076 R)
• M9: 2,763,222 km (0.11 R)
• M10: 5,217,824 km (0.049 R)
• M11: 5,627,573 km (0.068 R)
• M12: 7,791,506 km (0.096 R)
• M13: 8,055,696 km (0.037 R)
• M14: 9,348,820 km (0.088 R)
• M15: 9,951,699 km (0.119 R)
• M16: 12,696,222 km (0.067 R)
• M17: 18,851,276 km (0.056 R)
• M18: 19,326,998 km (0.086 R)
• M19: 22,670,061 km (0.053 R)
• M20: 27,699,392 km (0.033 R)
• M21: 31,258,774 km (0.049 R)
• M22: 33,979,810 km (0.091 R)
• M23: 36,413,468 km (0.079 R)
• M24: 40,356,120 km (0.106 R)
• M25: 41,145,698 km (0.109 R)
• M26: 47,136,045 km (0.072 R)
• M27: 52,551,338 km (0.1 R)
• M28: 56,775,833 km (0.094 R)
• M29: 62,682,854 km (0.075 R)
• M30: 77,381,743 km (0.034 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 19,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit