🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.9

Radius: 14.7

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.51 AU - 0.59 AU

Year: 272 Days

Day: 10.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,776,691 km

• M1: 182,809 km (0.072 R)
• M2: 681,269 km (0.115 R)
• M3: 1,165,966 km (0.103 R)
• M4: 1,795,773 km (0.096 R)
• M5: 2,610,632 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 11.9

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.07 AU - 1.51 AU

Year: 977 Days

Day: 13.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,776,691 km

• M1: 148,551 km (0.087 R)
• M2: 570,566 km (0.09 R)
• M3: 1,809,087 km (0.032 R)
• M4: 2,808,999 km (0.09 R)
• M5: 3,742,640 km (0.116 R)
• M6: 4,316,048 km (0.084 R)
• M7: 5,119,538 km (0.099 R)
• M8: 5,955,641 km (0.111 R)
• M9: 7,490,066 km (0.101 R)
• M10: 7,872,738 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.2

Radius: 9.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.42 AU - 1.48 AU

Year: 1164 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,776,691 km

• M1: 120,576 km (0.113 R)
• M2: 711,338 km (0.073 R)
• M3: 1,122,732 km (0.07 R)
• M4: 1,593,666 km (0.117 R)
• M5: 1,925,923 km (0.1 R)
• M6: 2,463,428 km (0.106 R)
• M7: 3,022,625 km (0.06 R)
• M8: 4,048,567 km (0.088 R)
• M9: 4,410,744 km (0.105 R)
• M10: 5,706,112 km (0.091 R)
• M11: 6,162,535 km (0.104 R)
• M12: 7,284,668 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 9.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.81 AU - 1.87 AU

Year: 1664 Days

Day: 11.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,776,691 km

• M1: 117,883 km (0.077 R)
• M2: 525,687 km (0.119 R)
• M3: 1,006,046 km (0.104 R)
• M4: 1,773,782 km (0.119 R)
• M5: 2,422,139 km (0.104 R)
• M6: 2,768,009 km (0.101 R)
• M7: 3,220,693 km (0.117 R)
• M8: 3,705,838 km (0.065 R)
• M9: 4,096,738 km (0.084 R)
• M10: 5,022,001 km (0.026 R)
• M11: 6,011,740 km (0.117 R)
• M12: 7,024,368 km (0.073 R)
• M13: 7,951,875 km (0.104 R)
• M14: 8,316,594 km (0.105 R)
• M15: 9,018,956 km (0.116 R)
• M16: 9,984,162 km (0.118 R)
• M17: 12,602,573 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.6

Radius: 14

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.58 AU - 3.04 AU

Year: 3141 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,776,691 km

• M1: 174,581 km (0.116 R)
• M2: 656,884 km (0.097 R)
• M3: 1,296,565 km (0.072 R)
• M4: 1,908,121 km (0.051 R)
• M5: 2,550,943 km (0.091 R)
• M6: 3,010,807 km (0.11 R)
• M7: 3,468,576 km (0.037 R)
• M8: 3,973,020 km (0.08 R)
• M9: 4,619,732 km (0.106 R)
• M10: 6,097,011 km (0.095 R)
• M11: 7,244,277 km (0.079 R)
• M12: 8,318,240 km (0.082 R)
• M13: 9,041,695 km (0.093 R)
• M14: 9,925,370 km (0.117 R)
• M15: 10,367,880 km (0.1 R)
• M16: 10,950,265 km (0.112 R)
• M17: 11,466,677 km (0.046 R)
• M18: 12,455,968 km (0.116 R)
• M19: 14,656,103 km (0.077 R)
• M20: 18,037,015 km (0.093 R)
• M21: 18,819,711 km (0.083 R)
• M22: 22,729,003 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 9.3

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.52 AU - 3.12 AU

Year: 3158 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,776,691 km

• M1: 135,236 km (0.09 R)
• M2: 497,114 km (0.103 R)
• M3: 939,325 km (0.111 R)
• M4: 1,418,337 km (0.091 R)
• M5: 1,823,598 km (0.101 R)
• M6: 2,672,117 km (0.117 R)
• M7: 3,077,677 km (0.068 R)
• M8: 4,056,047 km (0.036 R)
• M9: 5,027,536 km (0.063 R)
• M10: 5,435,938 km (0.094 R)
• M11: 5,838,805 km (0.11 R)
• M12: 7,074,035 km (0.119 R)
• M13: 7,392,080 km (0.092 R)
• M14: 8,126,007 km (0.099 R)
• M15: 8,725,595 km (0.12 R)
• M16: 10,827,445 km (0.083 R)
• M17: 11,773,352 km (0.119 R)
• M18: 12,311,905 km (0.059 R)
• M19: 12,820,089 km (0.097 R)
• M20: 14,026,895 km (0.094 R)
• M21: 17,690,995 km (0.109 R)
• M22: 19,123,395 km (0.117 R)
• M23: 21,086,119 km (0.075 R)
• M24: 21,480,908 km (0.044 R)
• M25: 22,489,646 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.9

Radius: 10.5

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.95 AU - 4.19 AU

Year: 4498 Days

Day: 14.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,776,691 km

• M1: 130,599 km (0.119 R)
• M2: 564,732 km (0.092 R)
• M3: 1,156,840 km (0.078 R)
• M4: 2,325,948 km (0.117 R)
• M5: 2,687,825 km (0.115 R)
• M6: 3,320,325 km (0.114 R)
• M7: 4,531,320 km (0.091 R)
• M8: 4,978,168 km (0.093 R)
• M9: 5,824,294 km (0.094 R)
• M10: 7,702,346 km (0.096 R)
• M11: 9,233,330 km (0.098 R)
• M12: 10,670,218 km (0.111 R)
• M13: 11,378,264 km (0.115 R)
• M14: 12,206,289 km (0.089 R)
• M15: 14,327,138 km (0.094 R)
• M16: 16,031,057 km (0.112 R)
• M17: 19,775,642 km (0.097 R)
• M18: 21,620,183 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.7

Radius: 13

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.87 AU - 4.57 AU

Year: 5781 Days

Day: 8.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,776,691 km

• M1: 161,865 km (0.116 R)
• M2: 697,276 km (0.092 R)
• M3: 1,126,023 km (0.104 R)
• M4: 1,804,001 km (0.045 R)
• M5: 2,398,054 km (0.097 R)
• M6: 2,852,233 km (0.108 R)
• M7: 3,533,651 km (0.114 R)
• M8: 4,731,332 km (0.107 R)
• M9: 5,337,353 km (0.106 R)
• M10: 7,046,957 km (0.112 R)
• M11: 10,036,820 km (0.11 R)
• M12: 11,040,323 km (0.1 R)
• M13: 14,229,151 km (0.088 R)
• M14: 14,738,233 km (0.094 R)
• M15: 16,960,210 km (0.112 R)
• M16: 18,649,768 km (0.062 R)
• M17: 19,674,065 km (0.065 R)
• M18: 20,377,624 km (0.116 R)
• M19: 22,361,142 km (0.116 R)
• M20: 24,874,984 km (0.068 R)
• M21: 25,697,773 km (0.095 R)
• M22: 27,746,515 km (0.104 R)
• M23: 29,718,215 km (0.111 R)
• M24: 30,457,977 km (0.101 R)
• M25: 31,020,614 km (0.094 R)
• M26: 32,360,862 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.2

Radius: 3.9

Gravity: 43.87 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 7.43 AU - 8.47 AU

Year: 14948 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,776,691 km

• M1: 48,619 km (0.099 R)
• M2: 178,620 km (0.104 R)
• M3: 736,770 km (0.072 R)
• M4: 1,139,487 km (0.115 R)
• M5: 1,775,128 km (0.088 R)
• M6: 1,970,054 km (0.071 R)
• M7: 2,238,732 km (0.097 R)
• M8: 3,427,437 km (0.055 R)
• M9: 3,590,498 km (0.054 R)
• M10: 4,420,916 km (0.032 R)
• M11: 4,581,584 km (0.084 R)
• M12: 5,192,841 km (0.048 R)
• M13: 6,011,590 km (0.107 R)
• M14: 7,485,728 km (0.085 R)
• M15: 14,136,849 km (0.105 R)
• M16: 18,137,246 km (0.072 R)
• M17: 18,800,114 km (0.031 R)
• M18: 19,478,840 km (0.079 R)
• M19: 22,169,656 km (0.119 R)
• M20: 23,022,813 km (0.096 R)
• M21: 24,293,497 km (0.11 R)
• M22: 26,233,483 km (0.109 R)
• M23: 27,187,618 km (0.044 R)
• M24: 28,940,306 km (0.097 R)
• M25: 32,547,859 km (0.119 R)
• M26: 34,900,734 km (0.114 R)
• M27: 36,443,836 km (0.033 R)
• M28: 38,979,072 km (0.077 R)
• M29: 39,665,277 km (0.087 R)
• M30: 56,696,546 km (0.044 R)
• M31: 60,639,048 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.6

Radius: 5.2

Gravity: 29.68 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.72 AU - 11.24 AU

Year: 19464 Days

Day: 18.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,776,691 km

• M1: 64,626 km (0.071 R)
• M2: 352,153 km (0.091 R)
• M3: 516,113 km (0.119 R)
• M4: 1,086,230 km (0.095 R)
• M5: 1,774,081 km (0.12 R)
• M6: 2,126,833 km (0.085 R)
• M7: 2,945,133 km (0.12 R)
• M8: 3,241,038 km (0.099 R)
• M9: 5,731,244 km (0.041 R)
• M10: 6,815,529 km (0.069 R)
• M11: 7,626,649 km (0.111 R)
• M12: 9,212,087 km (0.112 R)
• M13: 10,201,827 km (0.089 R)
• M14: 11,650,981 km (0.072 R)
• M15: 12,050,408 km (0.096 R)
• M16: 12,390,294 km (0.094 R)
• M17: 12,597,188 km (0.107 R)
• M18: 15,822,967 km (0.098 R)
• M19: 18,552,978 km (0.115 R)
• M20: 18,914,856 km (0.064 R)
• M21: 24,380,115 km (0.096 R)
• M22: 27,411,566 km (0.069 R)
• M23: 31,063,998 km (0.119 R)
• M24: 33,805,379 km (0.119 R)
• M25: 34,481,112 km (0.084 R)
• M26: 37,561,482 km (0.066 R)
• M27: 40,668,181 km (0.077 R)
• M28: 41,586,413 km (0.106 R)
• M29: 42,518,258 km (0.089 R)
• M30: 44,908,682 km (0.118 R)
• M31: 50,655,634 km (0.119 R)
• M32: 51,185,061 km (0.099 R)
• M33: 58,601,076 km (0.109 R)
• M34: 60,957,841 km (0.089 R)
• M35: 63,377,288 km (0.083 R)
• M36: 65,025,258 km (0.104 R)
• M37: 68,621,590 km (0.069 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: 285 - 15,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit