🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.8

Radius: 12

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.48 AU - 0.54 AU

Year: 256 Days

Day: 13 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,034,423 km

• M1: 149,299 km (0.107 R)
• M2: 583,731 km (0.115 R)
• M3: 985,551 km (0.119 R)
• M4: 1,568,534 km (0.039 R)
• M5: 1,975,589 km (0.093 R)
• M6: 2,350,631 km (0.082 R)
• M7: 2,764,868 km (0.107 R)
• M8: 3,141,106 km (0.108 R)
• M9: 3,530,809 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 8.9

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.74 AU - 0.74 AU

Year: 447 Days

Day: 5.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,034,423 km

• M1: 110,702 km (0.109 R)
• M2: 393,143 km (0.115 R)
• M3: 696,228 km (0.075 R)
• M4: 1,096,253 km (0.074 R)
• M5: 1,412,054 km (0.095 R)
• M6: 1,697,936 km (0.07 R)
• M7: 2,418,100 km (0.061 R)
• M8: 3,352,339 km (0.067 R)
• M9: 3,789,912 km (0.096 R)
• M10: 4,125,311 km (0.063 R)
• M11: 4,688,547 km (0.118 R)
• M12: 5,334,810 km (0.064 R)
• M13: 5,636,848 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.9

Radius: 12.4

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.92 AU - 0.96 AU

Year: 641 Days

Day: 13.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,034,423 km

• M1: 154,235 km (0.082 R)
• M2: 551,567 km (0.038 R)
• M3: 1,016,518 km (0.075 R)
• M4: 1,405,472 km (0.068 R)
• M5: 1,846,636 km (0.092 R)
• M6: 2,789,851 km (0.076 R)
• M7: 4,279,397 km (0.094 R)
• M8: 5,088,572 km (0.073 R)
• M9: 5,646,721 km (0.072 R)
• M10: 6,803,562 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 12.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.98 AU - 1.24 AU

Year: 822 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,034,423 km

• M1: 155,432 km (0.088 R)
• M2: 567,126 km (0.115 R)
• M3: 1,026,241 km (0.048 R)
• M4: 1,445,714 km (0.082 R)
• M5: 1,880,894 km (0.05 R)
• M6: 2,340,309 km (0.083 R)
• M7: 2,730,909 km (0.057 R)
• M8: 3,325,112 km (0.03 R)
• M9: 4,619,433 km (0.079 R)
• M10: 5,021,851 km (0.076 R)
• M11: 6,415,205 km (0.055 R)
• M12: 6,895,415 km (0.098 R)
• M13: 8,900,924 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782

Radius: 11.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.49 AU - 2.87 AU

Year: 3084 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,034,423 km

• M1: 143,016 km (0.078 R)
• M2: 519,853 km (0.067 R)
• M3: 880,683 km (0.073 R)
• M4: 1,554,172 km (0.069 R)
• M5: 2,105,291 km (0.033 R)
• M6: 3,000,634 km (0.119 R)
• M7: 3,450,026 km (0.117 R)
• M8: 4,857,742 km (0.074 R)
• M9: 5,637,745 km (0.032 R)
• M10: 6,184,226 km (0.093 R)
• M11: 7,039,029 km (0.107 R)
• M12: 11,135,467 km (0.116 R)
• M13: 12,856,591 km (0.12 R)
• M14: 14,901,444 km (0.107 R)
• M15: 17,098,438 km (0.096 R)
• M16: 17,665,564 km (0.084 R)
• M17: 18,245,106 km (0.11 R)
• M18: 19,017,330 km (0.09 R)
• M19: 20,247,922 km (0.116 R)
• M20: 21,727,894 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.5

Radius: 14.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.96 AU - 5.58 AU

Year: 8504 Days

Day: 7.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,034,423 km

• M1: 177,872 km (0.111 R)
• M2: 644,767 km (0.099 R)
• M3: 2,379,354 km (0.094 R)
• M4: 2,877,216 km (0.069 R)
• M5: 3,356,228 km (0.086 R)
• M6: 3,987,082 km (0.115 R)
• M7: 5,038,007 km (0.087 R)
• M8: 6,788,751 km (0.058 R)
• M9: 8,041,933 km (0.116 R)
• M10: 8,618,184 km (0.098 R)
• M11: 9,221,811 km (0.084 R)
• M12: 10,562,507 km (0.097 R)
• M13: 13,061,988 km (0.105 R)
• M14: 13,513,924 km (0.038 R)
• M15: 14,093,765 km (0.073 R)
• M16: 14,994,494 km (0.059 R)
• M17: 16,061,426 km (0.087 R)
• M18: 17,313,111 km (0.118 R)
• M19: 20,764,334 km (0.057 R)
• M20: 22,895,057 km (0.059 R)
• M21: 30,552,672 km (0.098 R)
• M22: 31,250,546 km (0.085 R)
• M23: 32,678,159 km (0.103 R)
• M24: 34,255,668 km (0.063 R)
• M25: 36,214,952 km (0.059 R)
• M26: 37,561,931 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.8

Radius: 5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.86 AU - 7.56 AU

Year: 10878 Days

Day: 21.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,034,423 km

• M1: 62,233 km (0.093 R)
• M2: 299,046 km (0.109 R)
• M3: 494,571 km (0.109 R)
• M4: 945,459 km (0.043 R)
• M5: 1,393,055 km (0.079 R)
• M6: 1,550,732 km (0.11 R)
• M7: 2,290,792 km (0.119 R)
• M8: 3,052,545 km (0.116 R)
• M9: 3,223,086 km (0.093 R)
• M10: 3,667,392 km (0.054 R)
• M11: 3,860,523 km (0.035 R)
• M12: 4,385,013 km (0.086 R)
• M13: 4,726,694 km (0.111 R)
• M14: 5,408,412 km (0.078 R)
• M15: 7,029,754 km (0.111 R)
• M16: 8,458,862 km (0.111 R)
• M17: 8,911,246 km (0.104 R)
• M18: 9,339,993 km (0.108 R)
• M19: 11,148,632 km (0.103 R)
• M20: 13,328,572 km (0.106 R)
• M21: 14,465,067 km (0.097 R)
• M22: 15,553,092 km (0.074 R)
• M23: 17,707,601 km (0.043 R)
• M24: 21,680,621 km (0.105 R)
• M25: 22,030,530 km (0.117 R)
• M26: 24,134,026 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.7

Radius: 3.1

Gravity: 31.29 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.03 AU - 7.51 AU

Year: 13779 Days

Day: 23.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,034,423 km

• M1: 38,746 km (0.095 R)
• M2: 432,487 km (0.048 R)
• M3: 631,004 km (0.118 R)
• M4: 867,817 km (0.107 R)
• M5: 1,342,641 km (0.108 R)
• M6: 1,987,557 km (0.104 R)
• M7: 2,321,460 km (0.075 R)
• M8: 4,717,868 km (0.114 R)
• M9: 6,266,655 km (0.117 R)
• M10: 6,748,360 km (0.079 R)
• M11: 9,871,215 km (0.119 R)
• M12: 15,233,850 km (0.09 R)
• M13: 16,720,853 km (0.108 R)
• M14: 17,213,629 km (0.117 R)
• M15: 17,861,088 km (0.06 R)
• M16: 19,901,154 km (0.112 R)
• M17: 22,007,343 km (0.051 R)
• M18: 23,637,212 km (0.092 R)
• M19: 24,797,642 km (0.114 R)
• M20: 26,561,102 km (0.094 R)
• M21: 30,543,248 km (0.092 R)
• M22: 32,458,100 km (0.1 R)
• M23: 34,113,700 km (0.094 R)
• M24: 38,193,982 km (0.026 R)
• M25: 39,293,377 km (0.119 R)
• M26: 39,540,512 km (0.096 R)
• M27: 45,108,096 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.6

Radius: 5.5

Gravity: 22.9 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.16 AU - 7.88 AU

Year: 14496 Days

Day: 16.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,034,423 km

• M1: 68,665 km (0.114 R)
• M2: 244,593 km (0.029 R)
• M3: 445,652 km (0.113 R)
• M4: 714,928 km (0.113 R)
• M5: 951,592 km (0.059 R)
• M6: 1,554,172 km (0.119 R)
• M7: 1,763,759 km (0.057 R)
• M8: 2,382,496 km (0.117 R)
• M9: 2,845,501 km (0.069 R)
• M10: 3,061,520 km (0.053 R)
• M11: 3,635,976 km (0.105 R)
• M12: 4,067,117 km (0.095 R)
• M13: 4,894,244 km (0.111 R)
• M14: 5,275,868 km (0.1 R)
• M15: 6,833,032 km (0.089 R)
• M16: 7,047,107 km (0.12 R)
• M17: 7,901,610 km (0.108 R)
• M18: 9,706,807 km (0.065 R)
• M19: 12,581,630 km (0.099 R)
• M20: 13,231,034 km (0.118 R)
• M21: 15,532,597 km (0.101 R)
• M22: 17,603,780 km (0.116 R)
• M23: 18,498,076 km (0.063 R)
• M24: 20,376,726 km (0.105 R)
• M25: 25,622,226 km (0.032 R)
• M26: 30,300,600 km (0.108 R)
• M27: 30,646,769 km (0.104 R)
• M28: 44,939,500 km (0.086 R)
• M29: 48,941,691 km (0.048 R)
• M30: 49,737,702 km (0.093 R)
• M31: 50,542,239 km (0.099 R)
• M32: 56,942,634 km (0.088 R)
• M33: 58,712,377 km (0.107 R)
• M34: 60,518,622 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.6

Radius: 4.4

Gravity: 18.52 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.77 AU - 10.39 AU

Year: 20843 Days

Day: 17.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,034,423 km

• M1: 54,902 km (0.032 R)
• M2: 613,351 km (0.11 R)
• M3: 1,038,808 km (0.116 R)
• M4: 1,378,844 km (0.119 R)
• M5: 2,465,074 km (0.109 R)
• M6: 2,754,994 km (0.114 R)
• M7: 5,717,631 km (0.064 R)
• M8: 7,107,245 km (0.063 R)
• M9: 7,927,191 km (0.105 R)
• M10: 9,537,463 km (0.08 R)
• M11: 9,753,033 km (0.088 R)
• M12: 11,474,306 km (0.078 R)
• M13: 11,903,203 km (0.112 R)
• M14: 13,522,750 km (0.108 R)
• M15: 14,561,857 km (0.096 R)
• M16: 20,564,770 km (0.057 R)
• M17: 21,472,082 km (0.101 R)
• M18: 22,122,982 km (0.086 R)
• M19: 22,978,981 km (0.041 R)
• M20: 24,254,004 km (0.115 R)
• M21: 34,023,044 km (0.088 R)
• M22: 35,935,653 km (0.103 R)
• M23: 38,595,802 km (0.033 R)
• M24: 39,418,740 km (0.093 R)
• M25: 45,054,840 km (0.102 R)
• M26: 45,814,049 km (0.038 R)
• M27: 46,736,320 km (0.114 R)
• M28: 47,985,312 km (0.084 R)
• M29: 48,142,988 km (0.109 R)
• M30: 50,224,194 km (0.097 R)
• M31: 51,040,400 km (0.114 R)
• M32: 53,711,619 km (0.059 R)
• M33: 54,222,646 km (0.098 R)
• M34: 56,650,320 km (0.095 R)
• M35: 57,179,747 km (0.053 R)
• M36: 59,512,427 km (0.12 R)
• M37: 62,281,633 km (0.076 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 10,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit