🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.4

Radius: 9.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.56 AU - 0.82 AU

Year: 396 Days

Day: 8.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,323,174 km

• M1: 119,379 km (0.083 R)
• M2: 454,628 km (0.107 R)
• M3: 779,106 km (0.12 R)
• M4: 1,114,803 km (0.08 R)
• M5: 1,423,723 km (0.068 R)
• M6: 1,738,926 km (0.052 R)
• M7: 2,291,839 km (0.113 R)
• M8: 4,085,817 km (0.068 R)
• M9: 4,717,718 km (0.1 R)
• M10: 5,593,315 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 14.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.75 AU - 0.89 AU

Year: 513 Days

Day: 9.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,323,174 km

• M1: 177,872 km (0.106 R)
• M2: 630,106 km (0.087 R)
• M3: 1,260,960 km (0.093 R)
• M4: 1,972,897 km (0.098 R)
• M5: 2,423,336 km (0.086 R)
• M6: 2,933,016 km (0.073 R)
• M7: 4,675,233 km (0.117 R)
• M8: 5,156,040 km (0.116 R)
• M9: 5,686,813 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 13.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.83 AU - 0.87 AU

Year: 541 Days

Day: 13.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,323,174 km

• M1: 180,714 km (0.093 R)
• M2: 615,296 km (0.051 R)
• M3: 1,262,756 km (0.106 R)
• M4: 1,933,852 km (0.097 R)
• M5: 2,441,138 km (0.101 R)
• M6: 2,908,631 km (0.073 R)
• M7: 3,508,070 km (0.057 R)
• M8: 4,134,736 km (0.101 R)
• M9: 5,432,198 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.2

Radius: 10.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.01 AU - 1.29 AU

Year: 851 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,323,174 km

• M1: 135,685 km (0.093 R)
• M2: 549,323 km (0.087 R)
• M3: 1,048,083 km (0.104 R)
• M4: 1,978,133 km (0.12 R)
• M5: 2,337,018 km (0.108 R)
• M6: 2,692,762 km (0.113 R)
• M7: 3,085,007 km (0.1 R)
• M8: 4,047,221 km (0.116 R)
• M9: 4,649,352 km (0.117 R)
• M10: 5,035,016 km (0.115 R)
• M11: 5,385,374 km (0.057 R)
• M12: 5,891,164 km (0.114 R)
• M13: 7,459,249 km (0.093 R)
• M14: 8,416,526 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 10.5

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.17 AU - 1.77 AU

Year: 1230 Days

Day: 12.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,323,174 km

• M1: 130,599 km (0.088 R)
• M2: 555,756 km (0.064 R)
• M3: 1,187,657 km (0.066 R)
• M4: 2,175,602 km (0.075 R)
• M5: 2,577,272 km (0.067 R)
• M6: 3,562,823 km (0.086 R)
• M7: 4,372,746 km (0.118 R)
• M8: 5,363,084 km (0.103 R)
• M9: 5,812,027 km (0.076 R)
• M10: 7,285,566 km (0.099 R)
• M11: 7,729,872 km (0.085 R)
• M12: 8,331,704 km (0.082 R)
• M13: 9,505,748 km (0.091 R)
• M14: 10,261,367 km (0.064 R)
• M15: 11,090,438 km (0.098 R)
• M16: 11,999,395 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.4

Radius: 8.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.99 AU - 2.47 AU

Year: 2299 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,323,174 km

• M1: 110,702 km (0.066 R)
• M2: 512,223 km (0.08 R)
• M3: 853,905 km (0.036 R)
• M4: 1,250,489 km (0.12 R)
• M5: 1,757,625 km (0.08 R)
• M6: 2,082,552 km (0.112 R)
• M7: 2,371,276 km (0.091 R)
• M8: 2,700,690 km (0.085 R)
• M9: 3,166,987 km (0.103 R)
• M10: 3,485,182 km (0.109 R)
• M11: 4,413,885 km (0.076 R)
• M12: 4,832,610 km (0.066 R)
• M13: 5,234,130 km (0.118 R)
• M14: 6,032,085 km (0.102 R)
• M15: 6,548,497 km (0.082 R)
• M16: 8,216,962 km (0.092 R)
• M17: 8,790,072 km (0.104 R)
• M18: 9,848,477 km (0.115 R)
• M19: 10,953,706 km (0.103 R)
• M20: 11,425,687 km (0.117 R)
• M21: 13,124,072 km (0.114 R)
• M22: 14,374,560 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.8

Radius: 11

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.54 AU - 3.2 AU

Year: 3356 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,323,174 km

• M1: 137,331 km (0.074 R)
• M2: 483,201 km (0.102 R)
• M3: 1,025,045 km (0.073 R)
• M4: 1,498,223 km (0.105 R)
• M5: 2,329,987 km (0.054 R)
• M6: 3,231,464 km (0.092 R)
• M7: 4,232,273 km (0.053 R)
• M8: 5,901,636 km (0.099 R)
• M9: 7,563,968 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.5

Radius: 4.6

Gravity: 13.59 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.07 AU - 7.67 AU

Year: 11097 Days

Day: 20.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,323,174 km

• M1: 57,296 km (0.097 R)
• M2: 252,671 km (0.072 R)
• M3: 433,684 km (0.11 R)
• M4: 608,415 km (0.118 R)
• M5: 1,073,664 km (0.066 R)
• M6: 1,437,636 km (0.119 R)
• M7: 2,066,545 km (0.116 R)
• M8: 2,283,462 km (0.107 R)
• M9: 2,533,889 km (0.083 R)
• M10: 2,862,555 km (0.059 R)
• M11: 4,829,767 km (0.114 R)
• M12: 5,092,760 km (0.06 R)
• M13: 6,875,219 km (0.092 R)
• M14: 7,551,551 km (0.076 R)
• M15: 7,747,075 km (0.114 R)
• M16: 7,905,799 km (0.093 R)
• M17: 9,434,839 km (0.111 R)
• M18: 9,616,002 km (0.109 R)
• M19: 10,850,932 km (0.074 R)
• M20: 11,870,292 km (0.12 R)
• M21: 12,840,733 km (0.112 R)
• M22: 13,921,279 km (0.063 R)
• M23: 19,429,921 km (0.072 R)
• M24: 21,703,809 km (0.048 R)
• M25: 24,233,658 km (0.115 R)
• M26: 24,488,423 km (0.026 R)
• M27: 24,917,021 km (0.114 R)
• M28: 28,151,926 km (0.099 R)
• M29: 28,906,946 km (0.08 R)
• M30: 30,457,378 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.6

Radius: 7.5

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 7.08 AU - 10.9 AU

Year: 18606 Days

Day: 24.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,323,174 km

• M1: 93,349 km (0.046 R)
• M2: 335,398 km (0.099 R)
• M3: 577,298 km (0.038 R)
• M4: 878,887 km (0.116 R)
• M5: 1,285,495 km (0.057 R)
• M6: 2,306,500 km (0.091 R)
• M7: 3,058,977 km (0.113 R)
• M8: 3,673,525 km (0.119 R)
• M9: 4,496,912 km (0.051 R)
• M10: 6,255,585 km (0.115 R)
• M11: 7,844,464 km (0.098 R)
• M12: 8,429,242 km (0.064 R)
• M13: 9,685,565 km (0.104 R)
• M14: 10,130,768 km (0.109 R)
• M15: 10,824,154 km (0.07 R)
• M16: 11,364,651 km (0.115 R)
• M17: 12,960,412 km (0.071 R)
• M18: 13,986,503 km (0.118 R)
• M19: 14,269,094 km (0.074 R)
• M20: 15,213,804 km (0.052 R)
• M21: 18,466,660 km (0.107 R)
• M22: 20,120,166 km (0.097 R)
• M23: 21,964,857 km (0.073 R)
• M24: 27,614,121 km (0.106 R)
• M25: 34,033,516 km (0.105 R)
• M26: 37,045,818 km (0.083 R)
• M27: 41,380,716 km (0.091 R)
• M28: 43,895,755 km (0.076 R)
• M29: 44,960,443 km (0.114 R)
• M30: 46,825,330 km (0.075 R)
• M31: 52,049,438 km (0.06 R)
• M32: 52,728,612 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.5

Radius: 7.6

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.39 AU - 10.25 AU

Year: 21241 Days

Day: 22.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 83,323,174 km

• M1: 99,782 km (0.056 R)
• M2: 398,529 km (0.099 R)
• M3: 683,662 km (0.106 R)
• M4: 956,828 km (0.102 R)
• M5: 1,660,985 km (0.092 R)
• M6: 1,901,987 km (0.098 R)
• M7: 3,085,456 km (0.043 R)
• M8: 4,042,733 km (0.088 R)
• M9: 4,448,442 km (0.106 R)
• M10: 4,807,178 km (0.079 R)
• M11: 5,915,100 km (0.12 R)
• M12: 7,040,225 km (0.097 R)
• M13: 11,396,665 km (0.048 R)
• M14: 16,417,618 km (0.062 R)
• M15: 17,982,113 km (0.065 R)
• M16: 18,342,943 km (0.032 R)
• M17: 18,616,707 km (0.087 R)
• M18: 20,905,554 km (0.095 R)
• M19: 21,607,019 km (0.058 R)
• M20: 22,845,839 km (0.078 R)
• M21: 24,131,333 km (0.069 R)
• M22: 25,577,646 km (0.1 R)
• M23: 26,845,787 km (0.062 R)
• M24: 28,034,641 km (0.039 R)
• M25: 31,680,042 km (0.118 R)
• M26: 35,771,394 km (0.058 R)
• M27: 36,198,945 km (0.055 R)
• M28: 44,489,659 km (0.089 R)
• M29: 56,426,671 km (0.063 R)
• M30: 60,768,151 km (0.064 R)
• M31: 70,331,943 km (0.056 R)
• M32: 70,778,792 km (0.107 R)
• M33: 79,391,740 km (0.045 R)
• M34: 80,119,234 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 12,870 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit