🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 12.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 8.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,958,739 km

• M1: 155,432 km (0.092 R)
• M2: 554,559 km (0.07 R)
• M3: 1,101,639 km (0.106 R)
• M4: 1,549,684 km (0.078 R)
• M5: 2,306,500 km (0.113 R)
• M6: 2,775,190 km (0.081 R)
• M7: 3,185,537 km (0.081 R)
• M8: 3,770,166 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.1

Radius: 9.8

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.8 AU - 1.3 AU

Year: 743 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,958,739 km

• M1: 139,724 km (0.075 R)
• M2: 620,532 km (0.08 R)
• M3: 971,189 km (0.085 R)
• M4: 1,388,567 km (0.104 R)
• M5: 2,118,156 km (0.047 R)
• M6: 2,616,168 km (0.108 R)
• M7: 3,203,938 km (0.053 R)
• M8: 3,594,687 km (0.043 R)
• M9: 4,175,725 km (0.106 R)
• M10: 5,163,520 km (0.079 R)
• M11: 5,702,521 km (0.111 R)
• M12: 6,961,387 km (0.028 R)
• M13: 7,840,125 km (0.052 R)
• M14: 8,242,394 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.2

Radius: 11.2

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.59 AU - 1.77 AU

Year: 1503 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,958,739 km

• M1: 139,724 km (0.055 R)
• M2: 622,178 km (0.06 R)
• M3: 1,728,155 km (0.076 R)
• M4: 2,167,374 km (0.112 R)
• M5: 2,668,527 km (0.116 R)
• M6: 3,053,741 km (0.083 R)
• M7: 3,748,324 km (0.08 R)
• M8: 4,509,777 km (0.078 R)
• M9: 5,351,864 km (0.09 R)
• M10: 5,800,059 km (0.092 R)
• M11: 6,429,417 km (0.062 R)
• M12: 7,470,469 km (0.049 R)
• M13: 8,295,800 km (0.081 R)
• M14: 8,953,881 km (0.104 R)
• M15: 10,005,854 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.7

Radius: 9.9

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.61 AU - 2.29 AU

Year: 1880 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,958,739 km

• M1: 123,269 km (0.109 R)
• M2: 449,691 km (0.09 R)
• M3: 817,253 km (0.045 R)
• M4: 1,377,198 km (0.114 R)
• M5: 2,671,668 km (0.098 R)
• M6: 2,991,209 km (0.107 R)
• M7: 4,928,951 km (0.102 R)
• M8: 5,378,791 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638

Radius: 3.3

Gravity: 58.59 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.49 AU - 7.13 AU

Year: 9667 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,958,739 km

• M1: 62,682 km (0.103 R)
• M2: 177,573 km (0.096 R)
• M3: 316,699 km (0.106 R)
• M4: 476,768 km (0.109 R)
• M5: 790,326 km (0.08 R)
• M6: 911,350 km (0.067 R)
• M7: 1,179,430 km (0.097 R)
• M8: 1,377,048 km (0.057 R)
• M9: 1,669,363 km (0.086 R)
• M10: 2,192,058 km (0.084 R)
• M11: 2,967,274 km (0.101 R)
• M12: 3,701,799 km (0.069 R)
• M13: 3,830,603 km (0.117 R)
• M14: 5,034,716 km (0.079 R)
• M15: 6,213,996 km (0.072 R)
• M16: 6,582,007 km (0.114 R)
• M17: 7,280,928 km (0.097 R)
• M18: 7,773,405 km (0.027 R)
• M19: 9,008,485 km (0.114 R)
• M20: 9,194,884 km (0.04 R)
• M21: 10,166,222 km (0.119 R)
• M22: 10,990,956 km (0.081 R)
• M23: 11,150,427 km (0.112 R)
• M24: 12,310,259 km (0.079 R)
• M25: 12,889,801 km (0.113 R)
• M26: 13,916,492 km (0.1 R)
• M27: 14,737,335 km (0.085 R)
• M28: 14,931,363 km (0.11 R)
• M29: 17,609,764 km (0.085 R)
• M30: 25,808,924 km (0.104 R)
• M31: 31,306,496 km (0.056 R)
• M32: 34,383,275 km (0.106 R)
• M33: 35,645,283 km (0.088 R)
• M34: 39,865,289 km (0.084 R)
• M35: 40,494,049 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 635.3

Radius: 3.8

Gravity: 44 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.41 AU - 8.33 AU

Year: 12429 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,958,739 km

• M1: 47,423 km (0.095 R)
• M2: 165,904 km (0.078 R)
• M3: 367,412 km (0.087 R)
• M4: 492,327 km (0.1 R)
• M5: 974,481 km (0.047 R)
• M6: 1,594,265 km (0.083 R)
• M7: 2,023,012 km (0.092 R)
• M8: 2,382,047 km (0.1 R)
• M9: 3,400,060 km (0.101 R)
• M10: 5,980,923 km (0.076 R)
• M11: 7,293,644 km (0.116 R)
• M12: 8,596,043 km (0.073 R)
• M13: 9,630,662 km (0.081 R)
• M14: 11,248,862 km (0.084 R)
• M15: 11,767,518 km (0.096 R)
• M16: 11,943,894 km (0.08 R)
• M17: 12,302,031 km (0.107 R)
• M18: 12,852,402 km (0.109 R)
• M19: 17,098,438 km (0.106 R)
• M20: 19,126,985 km (0.08 R)
• M21: 19,370,830 km (0.113 R)
• M22: 19,534,640 km (0.099 R)
• M23: 20,964,047 km (0.077 R)
• M24: 24,695,467 km (0.05 R)
• M25: 25,471,730 km (0.099 R)
• M26: 30,918,140 km (0.073 R)
• M27: 31,705,773 km (0.097 R)
• M28: 32,161,747 km (0.071 R)
• M29: 34,507,890 km (0.03 R)
• M30: 34,628,167 km (0.112 R)
• M31: 36,340,464 km (0.081 R)
• M32: 37,217,557 km (0.051 R)
• M33: 38,237,066 km (0.038 R)
• M34: 38,624,076 km (0.117 R)
• M35: 42,777,810 km (0.025 R)
• M36: 43,055,614 km (0.075 R)
• M37: 46,337,043 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.8

Radius: 3.8

Gravity: 58.99 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.36 AU - 9.08 AU

Year: 14806 Days

Day: 21.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,958,739 km

• M1: 55,202 km (0.111 R)
• M2: 190,887 km (0.115 R)
• M3: 331,808 km (0.088 R)
• M4: 535,860 km (0.099 R)
• M5: 693,835 km (0.085 R)
• M6: 995,574 km (0.07 R)
• M7: 1,292,526 km (0.089 R)
• M8: 1,747,602 km (0.027 R)
• M9: 2,630,978 km (0.062 R)
• M10: 3,409,186 km (0.062 R)
• M11: 5,183,716 km (0.115 R)
• M12: 6,350,130 km (0.114 R)
• M13: 8,461,405 km (0.073 R)
• M14: 8,767,482 km (0.113 R)
• M15: 9,080,740 km (0.117 R)
• M16: 10,998,435 km (0.103 R)
• M17: 14,070,877 km (0.082 R)
• M18: 14,864,493 km (0.105 R)
• M19: 17,587,773 km (0.069 R)
• M20: 19,022,865 km (0.093 R)
• M21: 19,196,698 km (0.052 R)
• M22: 23,793,841 km (0.084 R)
• M23: 24,300,529 km (0.118 R)
• M24: 25,335,297 km (0.035 R)
• M25: 30,952,996 km (0.058 R)
• M26: 33,288,369 km (0.114 R)
• M27: 33,667,599 km (0.094 R)
• M28: 42,015,609 km (0.102 R)
• M29: 43,805,548 km (0.118 R)
• M30: 45,180,801 km (0.076 R)
• M31: 48,017,326 km (0.05 R)
• M32: 58,326,115 km (0.046 R)
• M33: 61,304,609 km (0.108 R)
• M34: 62,831,255 km (0.091 R)
• M35: 63,410,199 km (0.112 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 18,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit