🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.7

Radius: 10.4

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.51 AU - 0.55 AU

Year: 257 Days

Day: 7.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 111.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,178,785 km

• M1: 129,402 km (0.119 R)
• M2: 487,689 km (0.089 R)
• M3: 1,173,595 km (0.113 R)
• M4: 1,548,188 km (0.12 R)
• M5: 2,195,349 km (0.104 R)
• M6: 2,522,968 km (0.114 R)
• M7: 2,926,583 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.3

Radius: 8.3

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.71 AU - 0.81 AU

Year: 442 Days

Day: 6.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,178,785 km

• M1: 103,223 km (0.091 R)
• M2: 442,361 km (0.109 R)
• M3: 709,842 km (0.111 R)
• M4: 998,566 km (0.105 R)
• M5: 1,269,787 km (0.085 R)
• M6: 1,545,346 km (0.094 R)
• M7: 2,346,891 km (0.056 R)
• M8: 3,109,541 km (0.082 R)
• M9: 3,401,257 km (0.113 R)
• M10: 3,746,978 km (0.112 R)
• M11: 4,728,938 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.5

Radius: 12.9

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.21 AU - 1.27 AU

Year: 921 Days

Day: 6.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,178,785 km

• M1: 160,519 km (0.118 R)
• M2: 703,409 km (0.056 R)
• M3: 1,744,760 km (0.088 R)
• M4: 2,159,894 km (0.05 R)
• M5: 2,877,515 km (0.096 R)
• M6: 3,349,646 km (0.096 R)
• M7: 4,881,379 km (0.049 R)
• M8: 5,741,417 km (0.118 R)
• M9: 6,142,937 km (0.075 R)
• M10: 8,254,661 km (0.074 R)
• M11: 8,712,730 km (0.098 R)
• M12: 9,417,186 km (0.115 R)
• M13: 10,281,712 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 13.1

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.8 AU - 2.08 AU

Year: 1802 Days

Day: 9.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,178,785 km

• M1: 162,912 km (0.077 R)
• M2: 770,878 km (0.062 R)
• M3: 1,395,449 km (0.068 R)
• M4: 2,345,994 km (0.116 R)
• M5: 2,766,065 km (0.056 R)
• M6: 4,054,102 km (0.099 R)
• M7: 4,562,735 km (0.081 R)
• M8: 5,733,039 km (0.038 R)
• M9: 7,487,822 km (0.105 R)
• M10: 8,226,537 km (0.117 R)
• M11: 9,078,646 km (0.075 R)
• M12: 13,722,613 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826

Radius: 13.7

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.48 AU - 2.66 AU

Year: 2747 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,178,785 km

• M1: 170,392 km (0.074 R)
• M2: 645,066 km (0.109 R)
• M3: 1,210,546 km (0.035 R)
• M4: 2,521,323 km (0.081 R)
• M5: 4,631,101 km (0.053 R)
• M6: 6,432,858 km (0.034 R)
• M7: 7,382,505 km (0.119 R)
• M8: 7,891,437 km (0.085 R)
• M9: 8,944,457 km (0.107 R)
• M10: 9,709,650 km (0.103 R)
• M11: 10,321,655 km (0.119 R)
• M12: 10,959,241 km (0.11 R)
• M13: 12,181,904 km (0.028 R)
• M14: 13,634,500 km (0.117 R)
• M15: 15,454,806 km (0.067 R)
• M16: 16,290,311 km (0.09 R)
• M17: 16,827,516 km (0.074 R)
• M18: 19,155,259 km (0.056 R)
• M19: 20,926,349 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.8

Radius: 9.2

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.45 AU - 4.55 AU

Year: 6366 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 136.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,178,785 km

• M1: 114,442 km (0.06 R)
• M2: 497,413 km (0.063 R)
• M3: 1,018,911 km (0.116 R)
• M4: 1,892,263 km (0.075 R)
• M5: 4,381,871 km (0.103 R)
• M6: 4,739,709 km (0.065 R)
• M7: 5,116,846 km (0.109 R)
• M8: 15,252,550 km (0.045 R)
• M9: 16,664,904 km (0.068 R)
• M10: 17,607,819 km (0.096 R)
• M11: 18,373,461 km (0.048 R)
• M12: 18,728,606 km (0.031 R)
• M13: 19,599,864 km (0.079 R)
• M14: 20,880,123 km (0.057 R)
• M15: 22,375,952 km (0.039 R)
• M16: 24,195,810 km (0.071 R)
• M17: 26,924,475 km (0.087 R)
• M18: 32,259,135 km (0.05 R)
• M19: 36,442,340 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.3

Radius: 14.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.54 AU - 5.7 AU

Year: 6622 Days

Day: 9.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 76.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,178,785 km

• M1: 177,872 km (0.119 R)
• M2: 964,308 km (0.119 R)
• M3: 1,471,594 km (0.104 R)
• M4: 2,338,963 km (0.107 R)
• M5: 3,040,577 km (0.07 R)
• M6: 3,583,916 km (0.029 R)
• M7: 4,635,140 km (0.081 R)
• M8: 5,233,532 km (0.112 R)
• M9: 6,270,096 km (0.033 R)
• M10: 11,868,497 km (0.058 R)
• M11: 12,444,748 km (0.087 R)
• M12: 13,894,800 km (0.086 R)
• M13: 15,716,902 km (0.107 R)
• M14: 18,329,629 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.3

Radius: 3.7

Gravity: 67.3 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.03 AU - 6.09 AU

Year: 9948 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,178,785 km

• M1: 100,231 km (0.077 R)
• M2: 261,796 km (0.115 R)
• M3: 454,927 km (0.091 R)
• M4: 622,327 km (0.108 R)
• M5: 1,004,400 km (0.092 R)
• M6: 1,756,129 km (0.118 R)
• M7: 2,463,129 km (0.117 R)
• M8: 3,123,155 km (0.046 R)
• M9: 4,719,663 km (0.109 R)
• M10: 5,411,404 km (0.107 R)
• M11: 6,018,921 km (0.061 R)
• M12: 6,750,305 km (0.084 R)
• M13: 7,325,808 km (0.114 R)
• M14: 9,297,508 km (0.112 R)
• M15: 13,281,449 km (0.091 R)
• M16: 13,407,709 km (0.064 R)
• M17: 15,054,183 km (0.051 R)
• M18: 16,978,610 km (0.059 R)
• M19: 17,427,404 km (0.111 R)
• M20: 18,038,062 km (0.088 R)
• M21: 18,980,679 km (0.102 R)
• M22: 20,708,534 km (0.095 R)
• M23: 23,909,480 km (0.086 R)
• M24: 26,515,923 km (0.096 R)
• M25: 27,018,423 km (0.095 R)
• M26: 29,626,961 km (0.06 R)
• M27: 31,605,692 km (0.085 R)
• M28: 36,191,614 km (0.039 R)
• M29: 40,667,732 km (0.06 R)
• M30: 51,317,006 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 344.3

Radius: 7

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.04 AU - 10.52 AU

Year: 17349 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,178,785 km

• M1: 87,365 km (0.056 R)
• M2: 347,516 km (0.118 R)
• M3: 696,228 km (0.06 R)
• M4: 966,253 km (0.092 R)
• M5: 1,305,989 km (0.092 R)
• M6: 2,303,957 km (0.034 R)
• M7: 2,607,790 km (0.056 R)
• M8: 2,892,475 km (0.03 R)
• M9: 3,873,388 km (0.117 R)
• M10: 4,215,818 km (0.091 R)
• M11: 5,194,038 km (0.045 R)
• M12: 5,864,087 km (0.118 R)
• M13: 6,510,948 km (0.103 R)
• M14: 8,931,591 km (0.095 R)
• M15: 9,529,833 km (0.113 R)
• M16: 10,917,503 km (0.069 R)
• M17: 12,252,814 km (0.027 R)
• M18: 12,618,431 km (0.115 R)
• M19: 13,371,357 km (0.074 R)
• M20: 15,809,952 km (0.031 R)
• M21: 16,684,501 km (0.05 R)
• M22: 17,822,791 km (0.104 R)
• M23: 18,609,676 km (0.09 R)
• M24: 21,022,839 km (0.116 R)
• M25: 22,530,337 km (0.036 R)
• M26: 23,919,204 km (0.071 R)
• M27: 25,364,169 km (0.052 R)
• M28: 26,866,431 km (0.061 R)
• M29: 31,500,076 km (0.088 R)
• M30: 32,765,674 km (0.1 R)
• M31: 33,351,948 km (0.117 R)
• M32: 37,781,840 km (0.116 R)
• M33: 45,137,866 km (0.037 R)
• M34: 51,321,195 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.6

Radius: 3.1

Gravity: 55.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.99 AU - 11.07 AU

Year: 22786 Days

Day: 15.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 76,178,785 km

• M1: 38,596 km (0.111 R)
• M2: 201,957 km (0.073 R)
• M3: 322,084 km (0.097 R)
• M4: 505,192 km (0.097 R)
• M5: 763,996 km (0.042 R)
• M6: 1,213,987 km (0.103 R)
• M7: 1,487,751 km (0.073 R)
• M8: 2,241,574 km (0.081 R)
• M9: 2,725,374 km (0.119 R)
• M10: 2,875,570 km (0.067 R)
• M11: 4,085,967 km (0.1 R)
• M12: 4,216,566 km (0.087 R)
• M13: 4,316,198 km (0.081 R)
• M14: 7,449,675 km (0.113 R)
• M15: 7,743,485 km (0.113 R)
• M16: 8,996,367 km (0.031 R)
• M17: 9,786,394 km (0.104 R)
• M18: 9,961,423 km (0.042 R)
• M19: 12,296,347 km (0.108 R)
• M20: 13,409,953 km (0.103 R)
• M21: 15,126,140 km (0.05 R)
• M22: 15,438,799 km (0.112 R)
• M23: 16,899,473 km (0.114 R)
• M24: 17,236,068 km (0.093 R)
• M25: 17,577,151 km (0.106 R)
• M26: 20,660,364 km (0.081 R)
• M27: 27,405,283 km (0.078 R)
• M28: 28,339,521 km (0.045 R)
• M29: 28,814,495 km (0.037 R)
• M30: 30,518,714 km (0.11 R)
• M31: 33,992,825 km (0.115 R)
• M32: 35,893,765 km (0.071 R)
• M33: 42,019,798 km (0.119 R)
• M34: 42,948,202 km (0.03 R)
• M35: 45,006,220 km (0.086 R)
• M36: 48,299,318 km (0.072 R)
• M37: 52,815,528 km (0.077 R)
• M38: 53,174,114 km (0.114 R)
• M39: 58,366,656 km (0.08 R)
• M40: 60,299,910 km (0.115 R)
• M41: 61,282,469 km (0.118 R)
• M42: 61,480,237 km (0.102 R)
• M43: 68,036,064 km (0.071 R)
• M44: 76,178,826 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 18,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit