🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.49 AU - 0.59 AU

Year: 146 Days

Day: 21.5 Hours

Environment

Temp: 245 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.71 AU - 0.95 AU

Year: 278 Days

Day: 24.2 Hours

Environment

Temp: 99 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.06 AU - 1.4 AU

Year: 501 Days

Day: 37.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 27.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.07 AU - 1.69 AU

Year: 595 Days

Day: 34.6 Hours

Environment

Temp: -31 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.47 AU - 1.95 AU

Year: 821 Days

Day: 45.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 46 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,119,207 km

• M1: 947,104 km (0.069 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.54 AU - 2.22 AU

Year: 946 Days

Day: 28.2 Hours

Environment

Temp: -60 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,119,207 km

• M1: 1,123,929 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.4

Radius: 8.1

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4 AU - 5.96 AU

Year: 4080 Days

Day: 5.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 104.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 37,119,207 km

• M1: 146,307 km (0.052 R)
• M2: 206,445 km (0.091 R)
• M3: 287,976 km (0.117 R)
• M4: 782,098 km (0.118 R)
• M5: 879,037 km (0.056 R)
• M6: 980,165 km (0.118 R)
• M7: 1,194,539 km (0.079 R)
• M8: 1,294,770 km (0.079 R)
• M9: 1,371,812 km (0.06 R)
• M10: 1,765,853 km (0.083 R)
• M11: 1,968,409 km (0.054 R)
• M12: 2,057,569 km (0.111 R)
• M13: 2,555,880 km (0.084 R)
• M14: 2,653,417 km (0.093 R)
• M15: 3,125,100 km (0.065 R)
• M16: 3,388,392 km (0.095 R)
• M17: 4,049,764 km (0.057 R)
• M18: 4,106,761 km (0.074 R)
• M19: 4,317,694 km (0.118 R)
• M20: 4,551,964 km (0.097 R)
• M21: 4,710,388 km (0.055 R)
• M22: 4,770,377 km (0.117 R)
• M23: 4,890,953 km (0.116 R)
• M24: 5,114,602 km (0.09 R)
• M25: 5,196,880 km (0.078 R)
• M26: 5,362,485 km (0.08 R)
• M27: 5,551,128 km (0.093 R)
• M28: 6,064,548 km (0.111 R)
• M29: 6,304,952 km (0.061 R)
• M30: 6,371,074 km (0.097 R)
• M31: 6,459,636 km (0.066 R)
• M32: 6,817,773 km (0.076 R)
• M33: 7,647,294 km (0.054 R)
• M34: 7,741,391 km (0.089 R)
• M35: 8,217,860 km (0.111 R)
• M36: 8,532,614 km (0.098 R)
• M37: 8,802,189 km (0.108 R)
• M38: 8,900,774 km (0.111 R)
• M39: 9,099,290 km (0.08 R)
• M40: 9,199,072 km (0.087 R)
• M41: 9,374,700 km (0.102 R)
• M42: 9,551,226 km (0.12 R)
• M43: 9,754,529 km (0.091 R)
• M44: 10,529,297 km (0.114 R)
• M45: 10,818,469 km (0.061 R)
• M46: 11,110,185 km (0.032 R)
• M47: 11,163,442 km (0.102 R)
• M48: 12,468,384 km (0.095 R)
• M49: 12,523,885 km (0.116 R)
• M50: 12,607,061 km (0.096 R)
• M51: 12,718,362 km (0.111 R)
• M52: 12,858,087 km (0.083 R)
• M53: 13,054,359 km (0.084 R)
• M54: 14,166,320 km (0.029 R)
• M55: 14,282,109 km (0.101 R)
• M56: 14,543,755 km (0.094 R)
• M57: 15,427,280 km (0.09 R)
• M58: 15,576,280 km (0.113 R)
• M59: 15,815,487 km (0.104 R)
• M60: 16,358,378 km (0.108 R)
• M61: 16,419,114 km (0.116 R)
• M62: 16,540,737 km (0.12 R)
• M63: 16,601,773 km (0.113 R)
• M64: 16,876,734 km (0.087 R)
• M65: 17,524,493 km (0.119 R)
• M66: 17,617,692 km (0.062 R)
• M67: 18,086,233 km (0.055 R)
• M68: 18,211,895 km (0.106 R)
• M69: 18,495,533 km (0.076 R)
• M70: 18,653,807 km (0.06 R)
• M71: 18,717,237 km (0.06 R)
• M72: 18,844,395 km (0.104 R)
• M73: 19,548,403 km (0.063 R)
• M74: 19,968,473 km (0.097 R)
• M75: 20,261,087 km (0.099 R)
• M76: 20,326,311 km (0.093 R)
• M77: 20,883,414 km (0.115 R)
• M78: 21,114,243 km (0.099 R)
• M79: 21,312,760 km (0.03 R)
• M80: 21,778,458 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 8.6

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.02 AU - 6.16 AU

Year: 4216 Days

Day: 9.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 37,119,207 km

• M1: 127,757 km (0.076 R)
• M2: 281,693 km (0.111 R)
• M3: 340,036 km (0.097 R)
• M4: 623,674 km (0.077 R)
• M5: 705,354 km (0.095 R)
• M6: 854,653 km (0.095 R)
• M7: 1,258,118 km (0.05 R)
• M8: 1,536,221 km (0.054 R)
• M9: 1,782,758 km (0.082 R)
• M10: 2,006,855 km (0.057 R)
• M11: 2,167,374 km (0.09 R)
• M12: 2,240,079 km (0.119 R)
• M13: 2,539,125 km (0.11 R)
• M14: 2,890,979 km (0.118 R)
• M15: 2,971,313 km (0.061 R)
• M16: 3,814,895 km (0.09 R)
• M17: 4,633,794 km (0.107 R)
• M18: 5,381,335 km (0.094 R)
• M19: 5,505,501 km (0.089 R)
• M20: 5,580,300 km (0.069 R)
• M21: 5,832,522 km (0.115 R)
• M22: 6,374,365 km (0.1 R)
• M23: 6,453,054 km (0.114 R)
• M24: 7,478,098 km (0.103 R)
• M25: 7,924,798 km (0.069 R)
• M26: 8,495,364 km (0.097 R)
• M27: 8,611,003 km (0.112 R)
• M28: 8,727,241 km (0.104 R)
• M29: 8,931,890 km (0.116 R)
• M30: 9,079,095 km (0.108 R)
• M31: 9,138,186 km (0.08 R)
• M32: 9,645,622 km (0.084 R)
• M33: 9,705,910 km (0.1 R)
• M34: 9,887,671 km (0.045 R)
• M35: 10,408,421 km (0.104 R)
• M36: 10,563,405 km (0.073 R)
• M37: 10,781,519 km (0.111 R)
• M38: 10,938,297 km (0.08 R)
• M39: 11,032,693 km (0.08 R)
• M40: 11,444,985 km (0.103 R)
• M41: 11,540,877 km (0.097 R)
• M42: 11,701,246 km (0.103 R)
• M43: 12,612,896 km (0.054 R)
• M44: 12,943,956 km (0.111 R)
• M45: 13,750,438 km (0.105 R)
• M46: 13,886,273 km (0.106 R)
• M47: 14,056,964 km (0.036 R)
• M48: 14,125,330 km (0.108 R)
• M49: 16,265,477 km (0.106 R)
• M50: 16,409,390 km (0.113 R)
• M51: 16,553,603 km (0.107 R)
• M52: 16,988,933 km (0.073 R)
• M53: 17,281,247 km (0.104 R)
• M54: 17,649,108 km (0.099 R)
• M55: 17,982,262 km (0.05 R)
• M56: 18,205,462 km (0.096 R)
• M57: 18,542,207 km (0.089 R)
• M58: 18,880,897 km (0.088 R)
• M59: 19,107,837 km (0.099 R)
• M60: 19,679,151 km (0.091 R)
• M61: 19,909,233 km (0.071 R)
• M62: 20,527,221 km (0.109 R)
• M63: 21,151,493 km (0.05 R)
• M64: 21,466,098 km (0.116 R)
• M65: 21,702,911 km (0.105 R)
• M66: 22,219,173 km (0.068 R)
• M67: 22,418,737 km (0.119 R)
• M68: 22,538,864 km (0.073 R)
• M69: 23,061,559 km (0.03 R)
• M70: 23,466,371 km (0.105 R)
• M71: 23,588,293 km (0.089 R)
• M72: 23,873,576 km (0.075 R)
• M73: 24,242,036 km (0.089 R)
• M74: 24,860,473 km (0.07 R)
• M75: 25,986,347 km (0.07 R)
• M76: 26,449,951 km (0.117 R)
• M77: 26,831,126 km (0.072 R)
• M78: 27,256,882 km (0.078 R)
• M79: 27,770,750 km (0.12 R)
• M80: 27,899,853 km (0.115 R)
• M81: 28,115,125 km (0.107 R)
• M82: 28,331,144 km (0.076 R)
• M83: 29,156,775 km (0.029 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 13

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.69 AU - 6.73 AU

Year: 6381 Days

Day: 6.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 37,119,207 km

• M1: 258,505 km (0.099 R)
• M2: 526,285 km (0.117 R)
• M3: 651,499 km (0.057 R)
• M4: 1,077,553 km (0.09 R)
• M5: 1,243,757 km (0.112 R)
• M6: 1,383,332 km (0.075 R)
• M7: 1,510,041 km (0.112 R)
• M8: 1,621,791 km (0.101 R)
• M9: 2,015,233 km (0.089 R)
• M10: 2,181,137 km (0.099 R)
• M11: 2,661,197 km (0.085 R)
• M12: 2,960,542 km (0.085 R)
• M13: 3,270,957 km (0.116 R)
• M14: 3,743,687 km (0.071 R)
• M15: 3,923,354 km (0.071 R)
• M16: 4,079,833 km (0.106 R)
• M17: 4,371,848 km (0.077 R)
• M18: 4,892,748 km (0.108 R)
• M19: 4,976,672 km (0.063 R)
• M20: 5,317,905 km (0.069 R)
• M21: 5,491,289 km (0.078 R)
• M22: 5,755,180 km (0.108 R)
• M23: 6,113,317 km (0.079 R)
• M24: 6,264,860 km (0.08 R)
• M25: 6,386,931 km (0.111 R)
• M26: 6,695,552 km (0.109 R)
• M27: 7,040,674 km (0.102 R)
• M28: 7,231,561 km (0.08 R)
• M29: 7,359,617 km (0.069 R)
• M30: 7,945,741 km (0.094 R)
• M31: 8,244,488 km (0.115 R)
• M32: 8,682,511 km (0.051 R)
• M33: 8,955,976 km (0.084 R)
• M34: 9,336,553 km (0.088 R)
• M35: 9,511,283 km (0.096 R)
• M36: 9,757,820 km (0.099 R)
• M37: 9,864,035 km (0.096 R)
• M38: 10,113,564 km (0.083 R)
• M39: 10,221,125 km (0.098 R)
• M40: 10,365,188 km (0.081 R)
• M41: 11,132,625 km (0.084 R)
• M42: 11,355,226 km (0.053 R)
• M43: 11,467,126 km (0.07 R)
• M44: 11,842,616 km (0.08 R)
• M45: 12,490,525 km (0.064 R)
• M46: 12,606,014 km (0.093 R)
• M47: 12,760,549 km (0.111 R)
• M48: 13,032,667 km (0.117 R)
• M49: 13,306,581 km (0.06 R)
• M50: 14,340,901 km (0.102 R)
• M51: 15,154,115 km (0.059 R)
• M52: 16,570,807 km (0.092 R)
• M53: 16,740,301 km (0.077 R)
• M54: 16,953,029 km (0.072 R)
• M55: 17,166,505 km (0.118 R)
• M56: 19,217,193 km (0.111 R)
• M57: 19,395,214 km (0.078 R)
• M58: 19,708,173 km (0.096 R)
• M59: 19,797,932 km (0.095 R)
• M60: 21,068,467 km (0.116 R)
• M61: 21,899,183 km (0.071 R)
• M62: 23,640,204 km (0.09 R)
• M63: 24,118,318 km (0.118 R)
• M64: 24,310,402 km (0.109 R)
• M65: 24,503,084 km (0.096 R)
• M66: 24,938,563 km (0.118 R)
• M67: 25,866,070 km (0.098 R)
• M68: 26,507,247 km (0.098 R)
• M69: 27,805,158 km (0.105 R)
• M70: 28,259,337 km (0.099 R)
• M71: 28,411,328 km (0.096 R)
• M72: 28,919,662 km (0.092 R)
• M73: 29,123,863 km (0.079 R)
• M74: 29,226,188 km (0.114 R)
• M75: 29,328,513 km (0.101 R)
• M76: 30,100,288 km (0.098 R)
• M77: 31,349,131 km (0.095 R)
• M78: 31,453,999 km (0.1 R)
• M79: 31,716,544 km (0.09 R)
• M80: 32,138,260 km (0.105 R)
• M81: 32,667,986 km (0.089 R)
• M82: 32,774,201 km (0.083 R)
• M83: 33,950,938 km (0.078 R)
• M84: 34,166,358 km (0.103 R)
• M85: 35,414,005 km (0.117 R)
• M86: 36,455,954 km (0.03 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 17,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit