🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.9

Radius: 9.7

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.93 AU - 1.09 AU

Year: 688 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,506,750 km

• M1: 120,576 km (0.108 R)
• M2: 463,604 km (0.04 R)
• M3: 793,766 km (0.109 R)
• M4: 1,102,686 km (0.054 R)
• M5: 1,452,446 km (0.075 R)
• M6: 2,421,990 km (0.037 R)
• M7: 2,765,167 km (0.109 R)
• M8: 3,261,234 km (0.071 R)
• M9: 3,628,646 km (0.096 R)
• M10: 3,939,510 km (0.104 R)
• M11: 4,386,958 km (0.118 R)
• M12: 5,047,133 km (0.08 R)
• M13: 5,523,004 km (0.089 R)
• M14: 6,159,842 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.1

Radius: 14.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.08 AU - 1.58 AU

Year: 1040 Days

Day: 6.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 71,506,750 km

• M1: 176,825 km (0.077 R)
• M2: 647,011 km (0.11 R)
• M3: 1,787,096 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.2

Radius: 13.9

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.06 AU - 4.7 AU

Year: 6217 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,506,750 km

• M1: 172,935 km (0.085 R)
• M2: 614,249 km (0.078 R)
• M3: 1,294,620 km (0.081 R)
• M4: 1,998,777 km (0.062 R)
• M5: 2,530,897 km (0.107 R)
• M6: 3,265,722 km (0.12 R)
• M7: 3,824,918 km (0.032 R)
• M8: 4,402,815 km (0.089 R)
• M9: 6,583,952 km (0.084 R)
• M10: 7,910,885 km (0.107 R)
• M11: 8,890,153 km (0.097 R)
• M12: 10,346,638 km (0.09 R)
• M13: 11,132,176 km (0.101 R)
• M14: 12,775,658 km (0.11 R)
• M15: 22,246,550 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.8

Radius: 8.2

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.26 AU - 5 AU

Year: 6757 Days

Day: 9.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,506,750 km

• M1: 102,175 km (0.114 R)
• M2: 461,061 km (0.115 R)
• M3: 735,722 km (0.115 R)
• M4: 1,915,152 km (0.075 R)
• M5: 2,622,301 km (0.113 R)
• M6: 3,077,677 km (0.073 R)
• M7: 6,120,647 km (0.075 R)
• M8: 6,601,006 km (0.104 R)
• M9: 7,521,033 km (0.118 R)
• M10: 8,316,744 km (0.04 R)
• M11: 9,478,371 km (0.113 R)
• M12: 10,941,588 km (0.067 R)
• M13: 18,520,815 km (0.069 R)
• M14: 18,875,511 km (0.042 R)
• M15: 27,504,167 km (0.095 R)
• M16: 31,244,712 km (0.116 R)
• M17: 32,666,191 km (0.046 R)
• M18: 34,024,241 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.2

Radius: 9.5

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.78 AU - 6 AU

Year: 8487 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,506,750 km

• M1: 140,323 km (0.111 R)
• M2: 1,021,005 km (0.092 R)
• M3: 1,454,390 km (0.115 R)
• M4: 1,925,773 km (0.049 R)
• M5: 2,697,100 km (0.04 R)
• M6: 3,199,898 km (0.064 R)
• M7: 3,764,182 km (0.064 R)
• M8: 4,480,456 km (0.05 R)
• M9: 4,902,322 km (0.074 R)
• M10: 5,652,855 km (0.101 R)
• M11: 7,098,419 km (0.117 R)
• M12: 7,630,838 km (0.109 R)
• M13: 8,501,946 km (0.085 R)
• M14: 11,184,386 km (0.093 R)
• M15: 12,134,033 km (0.06 R)
• M16: 12,599,133 km (0.03 R)
• M17: 13,318,998 km (0.053 R)
• M18: 14,579,360 km (0.114 R)
• M19: 16,194,717 km (0.041 R)
• M20: 19,460,439 km (0.082 R)
• M21: 30,868,773 km (0.118 R)
• M22: 35,485,513 km (0.117 R)
• M23: 37,773,014 km (0.059 R)
• M24: 38,640,083 km (0.069 R)
• M25: 39,520,317 km (0.032 R)
• M26: 41,451,476 km (0.036 R)
• M27: 41,976,863 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.5

Radius: 3.3

Gravity: 22.54 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.68 AU - 6.9 AU

Year: 12000 Days

Day: 15.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,506,750 km

• M1: 41,139 km (0.04 R)
• M2: 148,700 km (0.106 R)
• M3: 280,346 km (0.111 R)
• M4: 455,675 km (0.091 R)
• M5: 685,457 km (0.052 R)
• M6: 805,435 km (0.081 R)
• M7: 920,775 km (0.103 R)
• M8: 1,472,043 km (0.073 R)
• M9: 1,659,639 km (0.057 R)
• M10: 2,198,939 km (0.115 R)
• M11: 2,826,053 km (0.095 R)
• M12: 5,856,757 km (0.03 R)
• M13: 6,292,685 km (0.074 R)
• M14: 7,380,860 km (0.081 R)
• M15: 7,651,781 km (0.117 R)
• M16: 8,801,890 km (0.056 R)
• M17: 8,931,591 km (0.106 R)
• M18: 9,782,654 km (0.025 R)
• M19: 12,171,133 km (0.087 R)
• M20: 12,549,017 km (0.074 R)
• M21: 12,823,679 km (0.068 R)
• M22: 13,328,123 km (0.072 R)
• M23: 14,139,093 km (0.053 R)
• M24: 15,229,362 km (0.074 R)
• M25: 17,781,203 km (0.101 R)
• M26: 19,485,422 km (0.088 R)
• M27: 20,226,679 km (0.092 R)
• M28: 23,545,209 km (0.09 R)
• M29: 26,125,772 km (0.11 R)
• M30: 26,935,246 km (0.108 R)
• M31: 28,227,473 km (0.05 R)
• M32: 28,888,845 km (0.117 R)
• M33: 29,754,119 km (0.096 R)
• M34: 30,636,746 km (0.117 R)
• M35: 35,639,748 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.1

Radius: 4.9

Gravity: 30.37 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.68 AU - 9.08 AU

Year: 13598 Days

Day: 20 Hours

Environment

Temp: -239 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,506,750 km

• M1: 61,036 km (0.112 R)
• M2: 225,594 km (0.055 R)
• M3: 422,764 km (0.097 R)
• M4: 608,714 km (0.026 R)
• M5: 829,819 km (0.045 R)
• M6: 1,255,276 km (0.087 R)
• M7: 1,697,337 km (0.086 R)
• M8: 2,064,451 km (0.074 R)
• M9: 2,217,489 km (0.053 R)
• M10: 2,503,670 km (0.086 R)
• M11: 3,150,082 km (0.072 R)
• M12: 3,432,224 km (0.097 R)
• M13: 3,593,191 km (0.076 R)
• M14: 3,844,067 km (0.106 R)
• M15: 4,047,221 km (0.119 R)
• M16: 4,898,881 km (0.053 R)
• M17: 6,864,597 km (0.106 R)
• M18: 7,295,140 km (0.102 R)
• M19: 8,843,927 km (0.091 R)
• M20: 12,198,210 km (0.082 R)
• M21: 12,511,020 km (0.069 R)
• M22: 14,431,856 km (0.098 R)
• M23: 18,516,177 km (0.118 R)
• M24: 18,763,313 km (0.115 R)
• M25: 19,348,689 km (0.081 R)
• M26: 25,989,189 km (0.096 R)
• M27: 26,611,516 km (0.107 R)
• M28: 32,069,894 km (0.077 R)
• M29: 36,653,722 km (0.113 R)
• M30: 39,712,700 km (0.112 R)
• M31: 41,514,905 km (0.074 R)
• M32: 50,541,491 km (0.09 R)
• M33: 50,702,159 km (0.071 R)
• M34: 54,659,322 km (0.073 R)
• M35: 58,286,622 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.2

Radius: 4.9

Gravity: 35.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.08 AU - 7.86 AU

Year: 13848 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,506,750 km

• M1: 60,886 km (0.116 R)
• M2: 285,134 km (0.078 R)
• M3: 595,100 km (0.099 R)
• M4: 750,233 km (0.116 R)
• M5: 1,046,886 km (0.118 R)
• M6: 1,276,519 km (0.055 R)
• M7: 1,447,808 km (0.037 R)
• M8: 2,593,129 km (0.107 R)
• M9: 3,015,594 km (0.111 R)
• M10: 4,026,576 km (0.059 R)
• M11: 7,620,216 km (0.109 R)
• M12: 8,043,429 km (0.059 R)
• M13: 8,783,639 km (0.038 R)
• M14: 10,228,754 km (0.115 R)
• M15: 10,802,013 km (0.043 R)
• M16: 13,854,857 km (0.059 R)
• M17: 20,052,248 km (0.101 R)
• M18: 22,628,772 km (0.068 R)
• M19: 25,108,507 km (0.093 R)
• M20: 27,326,744 km (0.081 R)
• M21: 27,653,914 km (0.068 R)
• M22: 28,988,776 km (0.086 R)
• M23: 29,215,417 km (0.069 R)
• M24: 33,003,385 km (0.109 R)
• M25: 37,776,305 km (0.104 R)
• M26: 45,997,306 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.8

Radius: 4.1

Gravity: 36.63 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.37 AU - 10.53 AU

Year: 18160 Days

Day: 15.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,506,750 km

• M1: 68,965 km (0.042 R)
• M2: 224,098 km (0.034 R)
• M3: 465,848 km (0.114 R)
• M4: 763,847 km (0.11 R)
• M5: 978,669 km (0.066 R)
• M6: 1,126,173 km (0.107 R)
• M7: 1,561,503 km (0.039 R)
• M8: 1,781,860 km (0.092 R)
• M9: 2,523,716 km (0.098 R)
• M10: 3,026,515 km (0.045 R)
• M11: 3,261,383 km (0.118 R)
• M12: 5,992,741 km (0.102 R)
• M13: 9,614,805 km (0.088 R)
• M14: 12,727,039 km (0.108 R)
• M15: 19,743,478 km (0.072 R)
• M16: 20,469,477 km (0.088 R)
• M17: 21,401,621 km (0.061 R)
• M18: 29,312,656 km (0.106 R)
• M19: 32,080,515 km (0.06 R)
• M20: 32,578,975 km (0.097 R)
• M21: 36,754,551 km (0.112 R)
• M22: 38,829,025 km (0.114 R)
• M23: 46,305,927 km (0.04 R)
• M24: 57,020,425 km (0.107 R)
• M25: 60,549,140 km (0.085 R)
• M26: 67,221,803 km (0.096 R)
• M27: 68,653,754 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.1

Radius: 6.1

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.4 AU - 11.22 AU

Year: 22453 Days

Day: 21.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,506,750 km

• M1: 75,996 km (0.057 R)
• M2: 673,340 km (0.072 R)
• M3: 1,165,367 km (0.097 R)
• M4: 1,497,475 km (0.064 R)
• M5: 4,313,056 km (0.109 R)
• M6: 4,716,372 km (0.119 R)
• M7: 5,144,521 km (0.087 R)
• M8: 7,304,266 km (0.11 R)
• M9: 8,428,344 km (0.086 R)
• M10: 9,275,218 km (0.084 R)
• M11: 10,294,428 km (0.119 R)
• M12: 14,012,833 km (0.083 R)
• M13: 21,082,230 km (0.047 R)
• M14: 23,439,742 km (0.115 R)
• M15: 23,951,965 km (0.042 R)
• M16: 31,185,471 km (0.049 R)
• M17: 45,986,984 km (0.038 R)
• M18: 48,753,946 km (0.065 R)
• M19: 49,086,652 km (0.118 R)
• M20: 55,336,252 km (0.104 R)
• M21: 59,027,281 km (0.08 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: 492 - 20,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit