🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.6

Radius: 10.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.73 AU - 0.89 AU

Year: 503 Days

Day: 5.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,678,574 km

• M1: 133,591 km (0.099 R)
• M2: 534,064 km (0.073 R)
• M3: 1,006,644 km (0.113 R)
• M4: 1,645,128 km (0.116 R)
• M5: 2,071,482 km (0.074 R)
• M6: 2,666,283 km (0.104 R)
• M7: 3,023,822 km (0.095 R)
• M8: 3,561,327 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 13.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.5 AU - 1.58 AU

Year: 1319 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,678,574 km

• M1: 172,935 km (0.043 R)
• M2: 667,805 km (0.098 R)
• M3: 1,139,487 km (0.116 R)
• M4: 1,726,659 km (0.055 R)
• M5: 2,159,445 km (0.047 R)
• M6: 2,990,910 km (0.1 R)
• M7: 3,450,624 km (0.069 R)
• M8: 4,981,759 km (0.1 R)
• M9: 5,480,967 km (0.066 R)
• M10: 6,703,481 km (0.025 R)
• M11: 7,183,540 km (0.098 R)
• M12: 8,823,282 km (0.105 R)
• M13: 9,432,295 km (0.034 R)
• M14: 10,700,736 km (0.065 R)
• M15: 11,643,501 km (0.115 R)
• M16: 12,339,580 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.4

Radius: 10.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.46 AU - 1.64 AU

Year: 1332 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,678,574 km

• M1: 126,859 km (0.095 R)
• M2: 983,905 km (0.088 R)
• M3: 1,422,975 km (0.085 R)
• M4: 2,438,744 km (0.082 R)
• M5: 2,880,507 km (0.11 R)
• M6: 3,653,778 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.2

Radius: 11

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.59 AU - 2.13 AU

Year: 1751 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,678,574 km

• M1: 137,181 km (0.086 R)
• M2: 708,944 km (0.099 R)
• M3: 1,097,450 km (0.083 R)
• M4: 1,679,685 km (0.092 R)
• M5: 2,515,638 km (0.12 R)
• M6: 3,537,391 km (0.087 R)
• M7: 4,089,856 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.6

Radius: 14.4

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.88 AU - 2.42 AU

Year: 2176 Days

Day: 13.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,678,574 km

• M1: 207,492 km (0.101 R)
• M2: 819,198 km (0.046 R)
• M3: 1,368,671 km (0.08 R)
• M4: 2,238,732 km (0.117 R)
• M5: 3,672,478 km (0.103 R)
• M6: 4,485,543 km (0.105 R)
• M7: 6,042,108 km (0.117 R)
• M8: 6,515,586 km (0.064 R)
• M9: 7,537,489 km (0.102 R)
• M10: 8,530,370 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.7

Radius: 7.7

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.86 AU - 6.3 AU

Year: 10348 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,678,574 km

• M1: 106,065 km (0.064 R)
• M2: 424,409 km (0.031 R)
• M3: 1,080,994 km (0.097 R)
• M4: 1,392,158 km (0.104 R)
• M5: 1,668,166 km (0.106 R)
• M6: 2,051,286 km (0.098 R)
• M7: 2,512,795 km (0.052 R)
• M8: 3,041,624 km (0.063 R)
• M9: 4,028,072 km (0.068 R)
• M10: 4,380,076 km (0.079 R)
• M11: 4,979,216 km (0.089 R)
• M12: 6,110,325 km (0.098 R)
• M13: 6,940,144 km (0.114 R)
• M14: 8,822,086 km (0.084 R)
• M15: 11,304,662 km (0.079 R)
• M16: 12,306,968 km (0.067 R)
• M17: 13,112,553 km (0.077 R)
• M18: 14,487,507 km (0.096 R)
• M19: 16,466,686 km (0.058 R)
• M20: 20,953,276 km (0.117 R)
• M21: 23,288,649 km (0.087 R)
• M22: 25,692,686 km (0.04 R)
• M23: 26,597,155 km (0.06 R)
• M24: 28,363,457 km (0.099 R)
• M25: 31,440,536 km (0.07 R)
• M26: 35,467,710 km (0.105 R)
• M27: 37,221,446 km (0.077 R)
• M28: 37,476,511 km (0.113 R)
• M29: 40,092,678 km (0.056 R)
• M30: 41,719,555 km (0.098 R)
• M31: 42,828,225 km (0.099 R)
• M32: 47,759,868 km (0.107 R)
• M33: 49,741,292 km (0.115 R)
• M34: 52,254,536 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.4

Radius: 5.5

Gravity: 31.12 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.07 AU - 7.93 AU

Year: 12784 Days

Day: 22.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,678,574 km

• M1: 68,366 km (0.058 R)
• M2: 251,773 km (0.052 R)
• M3: 1,519,914 km (0.064 R)
• M4: 1,812,677 km (0.117 R)
• M5: 2,103,944 km (0.048 R)
• M6: 2,688,274 km (0.116 R)
• M7: 3,730,971 km (0.108 R)
• M8: 4,051,410 km (0.094 R)
• M9: 5,974,789 km (0.072 R)
• M10: 6,211,603 km (0.065 R)
• M11: 6,413,710 km (0.115 R)
• M12: 7,536,142 km (0.079 R)
• M13: 8,337,239 km (0.093 R)
• M14: 8,633,144 km (0.089 R)
• M15: 11,258,137 km (0.069 R)
• M16: 13,012,023 km (0.115 R)
• M17: 13,953,891 km (0.033 R)
• M18: 14,300,958 km (0.119 R)
• M19: 15,230,410 km (0.102 R)
• M20: 16,582,924 km (0.113 R)
• M21: 17,608,268 km (0.052 R)
• M22: 18,013,678 km (0.081 R)
• M23: 18,259,916 km (0.071 R)
• M24: 21,118,133 km (0.109 R)
• M25: 23,084,597 km (0.08 R)
• M26: 23,963,485 km (0.086 R)
• M27: 31,337,313 km (0.114 R)
• M28: 32,535,293 km (0.115 R)
• M29: 35,663,085 km (0.094 R)
• M30: 36,442,490 km (0.117 R)
• M31: 38,170,046 km (0.101 R)
• M32: 44,721,087 km (0.045 R)
• M33: 47,476,081 km (0.098 R)
• M34: 53,998,997 km (0.032 R)
• M35: 54,339,931 km (0.104 R)
• M36: 61,464,529 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.5

Radius: 3.8

Gravity: 16.1 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.32 AU - 8.34 AU

Year: 16595 Days

Day: 23.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 56,678,574 km

• M1: 48,021 km (0.097 R)
• M2: 195,973 km (0.085 R)
• M3: 480,808 km (0.061 R)
• M4: 1,552,826 km (0.088 R)
• M5: 2,159,595 km (0.114 R)
• M6: 3,066,158 km (0.067 R)
• M7: 4,399,524 km (0.026 R)
• M8: 5,454,937 km (0.088 R)
• M9: 7,297,384 km (0.119 R)
• M10: 12,669,144 km (0.078 R)
• M11: 13,143,819 km (0.079 R)
• M12: 13,264,394 km (0.084 R)
• M13: 14,065,790 km (0.056 R)
• M14: 14,255,331 km (0.095 R)
• M15: 17,522,548 km (0.042 R)
• M16: 17,889,063 km (0.112 R)
• M17: 18,037,165 km (0.05 R)
• M18: 18,410,860 km (0.108 R)
• M19: 19,484,823 km (0.117 R)
• M20: 20,116,874 km (0.116 R)
• M21: 21,173,035 km (0.106 R)
• M22: 23,130,972 km (0.09 R)
• M23: 27,011,990 km (0.102 R)
• M24: 28,496,749 km (0.092 R)
• M25: 30,139,782 km (0.118 R)
• M26: 39,684,126 km (0.097 R)
• M27: 40,954,362 km (0.075 R)
• M28: 41,599,577 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.3

Radius: 6.3

Gravity: 18.75 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.7 AU - 9.84 AU

Year: 17927 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,678,574 km

• M1: 85,869 km (0.11 R)
• M2: 286,330 km (0.08 R)
• M3: 625,319 km (0.112 R)
• M4: 841,338 km (0.112 R)
• M5: 1,795,623 km (0.112 R)
• M6: 2,039,767 km (0.087 R)
• M7: 2,481,081 km (0.118 R)
• M8: 2,688,872 km (0.073 R)
• M9: 3,113,431 km (0.087 R)
• M10: 3,728,129 km (0.047 R)
• M11: 4,223,746 km (0.117 R)
• M12: 6,016,677 km (0.097 R)
• M13: 7,057,280 km (0.12 R)
• M14: 7,863,612 km (0.098 R)
• M15: 10,351,574 km (0.113 R)
• M16: 10,893,119 km (0.076 R)
• M17: 12,230,374 km (0.096 R)
• M18: 14,696,196 km (0.055 R)
• M19: 14,921,939 km (0.065 R)
• M20: 18,242,413 km (0.107 R)
• M21: 22,221,417 km (0.118 R)
• M22: 22,618,600 km (0.104 R)
• M23: 23,838,570 km (0.026 R)
• M24: 30,724,411 km (0.091 R)
• M25: 34,551,124 km (0.084 R)
• M26: 40,720,241 km (0.079 R)
• M27: 43,133,853 km (0.094 R)
• M28: 44,532,743 km (0.1 R)
• M29: 48,410,320 km (0.08 R)
• M30: 49,413,673 km (0.114 R)
• M31: 50,601,779 km (0.077 R)
• M32: 59,266,188 km (0.108 R)
• M33: 63,348,864 km (0.098 R)
• M34: 64,548,938 km (0.049 R)
• M35: 69,289,545 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.8

Radius: 7.7

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.5 AU - 9.1 AU

Year: 18019 Days

Day: 20.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,678,574 km

• M1: 95,892 km (0.06 R)
• M2: 858,542 km (0.086 R)
• M3: 1,136,794 km (0.102 R)
• M4: 1,685,370 km (0.113 R)
• M5: 2,223,024 km (0.036 R)
• M6: 2,961,888 km (0.096 R)
• M7: 3,400,808 km (0.12 R)
• M8: 3,910,488 km (0.078 R)
• M9: 4,532,067 km (0.107 R)
• M10: 6,631,075 km (0.066 R)
• M11: 7,168,580 km (0.102 R)
• M12: 10,301,160 km (0.061 R)
• M13: 16,585,916 km (0.119 R)
• M14: 16,961,855 km (0.112 R)
• M15: 17,808,879 km (0.036 R)
• M16: 18,282,505 km (0.11 R)
• M17: 19,090,783 km (0.066 R)
• M18: 22,562,800 km (0.104 R)
• M19: 23,966,626 km (0.051 R)
• M20: 37,742,496 km (0.095 R)
• M21: 39,316,415 km (0.117 R)
• M22: 40,119,456 km (0.049 R)
• M23: 40,797,135 km (0.087 R)
• M24: 43,441,576 km (0.105 R)
• M25: 50,000,396 km (0.109 R)
• M26: 54,170,287 km (0.111 R)
• M27: 56,508,950 km (0.094 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 16,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit