🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.2

Radius: 12.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.65 AU - 0.99 AU

Year: 487 Days

Day: 12.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 131.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,415,400 km

• M1: 160,369 km (0.062 R)
• M2: 598,391 km (0.044 R)
• M3: 1,031,029 km (0.106 R)
• M4: 1,720,525 km (0.046 R)
• M5: 2,152,863 km (0.106 R)
• M6: 2,747,066 km (0.089 R)
• M7: 3,675,470 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588

Radius: 13.3

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.8 AU - 0.88 AU

Year: 505 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 96,415,400 km

• M1: 165,455 km (0.094 R)
• M2: 640,428 km (0.056 R)
• M3: 1,487,152 km (0.101 R)
• M4: 2,324,751 km (0.078 R)
• M5: 3,152,626 km (0.096 R)
• M6: 3,680,108 km (0.107 R)
• M7: 4,671,194 km (0.072 R)
• M8: 5,902,833 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.2

Radius: 8.8

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.67 AU - 1.03 AU

Year: 514 Days

Day: 13 Hours

Environment

Temp: -150 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 96,415,400 km

• M1: 110,104 km (0.05 R)
• M2: 439,519 km (0.094 R)
• M3: 916,437 km (0.07 R)
• M4: 1,267,393 km (0.105 R)
• M5: 1,571,226 km (0.101 R)
• M6: 1,900,043 km (0.086 R)
• M7: 2,647,583 km (0.114 R)
• M8: 3,005,571 km (0.105 R)
• M9: 3,324,663 km (0.04 R)
• M10: 3,990,972 km (0.08 R)
• M11: 4,463,402 km (0.036 R)
• M12: 4,880,182 km (0.117 R)
• M13: 5,774,627 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.2

Radius: 14.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.8 AU - 1.22 AU

Year: 666 Days

Day: 14.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 96,415,400 km

• M1: 180,265 km (0.079 R)
• M2: 666,159 km (0.081 R)
• M3: 1,248,993 km (0.063 R)
• M4: 1,873,115 km (0.094 R)
• M5: 2,439,492 km (0.096 R)
• M6: 3,083,661 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 14.7

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.09 AU - 4.01 AU

Year: 4388 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,415,400 km

• M1: 183,108 km (0.102 R)
• M2: 926,460 km (0.114 R)
• M3: 1,434,943 km (0.105 R)
• M4: 2,238,583 km (0.077 R)
• M5: 2,906,387 km (0.113 R)
• M6: 3,492,362 km (0.09 R)
• M7: 4,086,715 km (0.097 R)
• M8: 4,852,357 km (0.119 R)
• M9: 5,395,846 km (0.078 R)
• M10: 6,101,798 km (0.082 R)
• M11: 6,671,167 km (0.111 R)
• M12: 7,310,549 km (0.094 R)
• M13: 11,659,508 km (0.116 R)
• M14: 12,740,951 km (0.037 R)
• M15: 13,306,282 km (0.11 R)
• M16: 15,446,878 km (0.097 R)
• M17: 16,208,929 km (0.103 R)
• M18: 19,850,291 km (0.063 R)
• M19: 21,391,299 km (0.062 R)
• M20: 21,897,837 km (0.116 R)
• M21: 22,710,303 km (0.095 R)
• M22: 25,672,191 km (0.034 R)
• M23: 27,245,961 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.2

Radius: 11.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.72 AU - 4.34 AU

Year: 5307 Days

Day: 11.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 96,415,400 km

• M1: 152,141 km (0.08 R)
• M2: 927,956 km (0.064 R)
• M3: 1,913,357 km (0.095 R)
• M4: 2,465,523 km (0.041 R)
• M5: 3,753,111 km (0.119 R)
• M6: 4,370,801 km (0.104 R)
• M7: 5,119,239 km (0.088 R)
• M8: 5,490,840 km (0.081 R)
• M9: 7,243,080 km (0.119 R)
• M10: 8,056,743 km (0.074 R)
• M11: 10,305,947 km (0.06 R)
• M12: 10,688,469 km (0.041 R)
• M13: 11,262,027 km (0.113 R)
• M14: 13,556,260 km (0.071 R)
• M15: 14,058,460 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.1

Radius: 11.5

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.1 AU - 5.91 AU

Year: 7334 Days

Day: 9.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 96,415,400 km

• M1: 143,016 km (0.113 R)
• M2: 707,149 km (0.112 R)
• M3: 1,220,419 km (0.096 R)
• M4: 1,856,210 km (0.081 R)
• M5: 2,372,024 km (0.054 R)
• M6: 3,815,643 km (0.098 R)
• M7: 4,247,832 km (0.117 R)
• M8: 4,884,670 km (0.064 R)
• M9: 5,975,089 km (0.111 R)
• M10: 7,183,241 km (0.1 R)
• M11: 9,472,388 km (0.098 R)
• M12: 9,888,718 km (0.112 R)
• M13: 10,807,848 km (0.109 R)
• M14: 12,760,100 km (0.086 R)
• M15: 16,015,948 km (0.083 R)
• M16: 16,408,942 km (0.117 R)
• M17: 17,146,160 km (0.095 R)
• M18: 17,975,531 km (0.05 R)
• M19: 19,939,003 km (0.083 R)
• M20: 23,271,594 km (0.11 R)
• M21: 23,776,338 km (0.102 R)
• M22: 28,555,990 km (0.099 R)
• M23: 29,622,622 km (0.063 R)
• M24: 31,424,978 km (0.061 R)
• M25: 35,136,949 km (0.072 R)
• M26: 36,361,408 km (0.029 R)
• M27: 38,426,158 km (0.099 R)
• M28: 39,487,405 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.9

Radius: 5.6

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.77 AU - 9.07 AU

Year: 14622 Days

Day: 23.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,415,400 km

• M1: 95,892 km (0.074 R)
• M2: 1,012,179 km (0.112 R)
• M3: 1,843,495 km (0.089 R)
• M4: 2,844,304 km (0.048 R)
• M5: 3,059,276 km (0.107 R)
• M6: 5,318,803 km (0.068 R)
• M7: 5,679,483 km (0.035 R)
• M8: 5,986,757 km (0.06 R)
• M9: 6,560,166 km (0.1 R)
• M10: 7,248,166 km (0.098 R)
• M11: 9,130,856 km (0.069 R)
• M12: 14,322,949 km (0.117 R)
• M13: 14,956,346 km (0.083 R)
• M14: 15,345,151 km (0.096 R)
• M15: 16,552,406 km (0.098 R)
• M16: 18,479,825 km (0.065 R)
• M17: 19,690,072 km (0.074 R)
• M18: 33,818,244 km (0.119 R)
• M19: 42,577,948 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236

Radius: 5.1

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.71 AU - 10.77 AU

Year: 19941 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 96,415,400 km

• M1: 209,287 km (0.116 R)
• M2: 501,751 km (0.106 R)
• M3: 894,296 km (0.074 R)
• M4: 1,086,978 km (0.104 R)
• M5: 1,333,665 km (0.119 R)
• M6: 1,939,686 km (0.073 R)
• M7: 3,217,551 km (0.054 R)
• M8: 4,002,940 km (0.113 R)
• M9: 5,870,669 km (0.103 R)
• M10: 12,858,984 km (0.056 R)
• M11: 13,678,182 km (0.101 R)
• M12: 15,350,387 km (0.07 R)
• M13: 16,199,355 km (0.076 R)
• M14: 17,304,285 km (0.118 R)
• M15: 19,581,015 km (0.071 R)
• M16: 20,410,385 km (0.077 R)
• M17: 22,495,630 km (0.1 R)
• M18: 23,589,639 km (0.093 R)
• M19: 23,962,138 km (0.102 R)
• M20: 25,199,612 km (0.065 R)
• M21: 26,780,562 km (0.052 R)
• M22: 33,766,334 km (0.071 R)
• M23: 34,836,856 km (0.094 R)
• M24: 35,684,926 km (0.094 R)
• M25: 35,929,818 km (0.117 R)
• M26: 43,109,768 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.2

Radius: 4.8

Gravity: 41.11 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 10.94 AU - 11.26 AU

Year: 24260 Days

Day: 20.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,415,400 km

• M1: 59,690 km (0.047 R)
• M2: 432,637 km (0.107 R)
• M3: 659,876 km (0.11 R)
• M4: 1,017,266 km (0.115 R)
• M5: 1,232,088 km (0.107 R)
• M6: 1,638,695 km (0.116 R)
• M7: 4,085,667 km (0.095 R)
• M8: 4,443,805 km (0.117 R)
• M9: 4,900,976 km (0.101 R)
• M10: 5,181,771 km (0.117 R)
• M11: 7,828,008 km (0.079 R)
• M12: 8,267,676 km (0.07 R)
• M13: 9,316,806 km (0.101 R)
• M14: 10,321,206 km (0.114 R)
• M15: 10,517,329 km (0.117 R)
• M16: 12,841,332 km (0.111 R)
• M17: 14,567,841 km (0.096 R)
• M18: 19,849,094 km (0.052 R)
• M19: 24,153,175 km (0.105 R)
• M20: 24,499,045 km (0.079 R)
• M21: 26,156,739 km (0.098 R)
• M22: 32,267,064 km (0.083 R)
• M23: 34,400,928 km (0.05 R)
• M24: 35,280,264 km (0.033 R)
• M25: 35,725,468 km (0.062 R)
• M26: 38,007,733 km (0.059 R)
• M27: 41,035,893 km (0.109 R)
• M28: 42,190,788 km (0.055 R)
• M29: 45,085,657 km (0.072 R)
• M30: 46,848,817 km (0.025 R)
• M31: 48,110,077 km (0.093 R)
• M32: 64,168,810 km (0.112 R)
• M33: 72,910,262 km (0.118 R)
• M34: 80,859,893 km (0.12 R)
• M35: 82,412,121 km (0.103 R)
• M36: 83,195,565 km (0.109 R)
• M37: 85,309,083 km (0.086 R)
• M38: 86,379,157 km (0.107 R)
• M39: 89,918,643 km (0.113 R)
• M40: 95,838,380 km (0.072 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: 387 - 17,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit