🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.8

Radius: 13.2

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.63 AU - 0.73 AU

Year: 380 Days

Day: 9.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,364,820 km

• M1: 164,109 km (0.109 R)
• M2: 639,830 km (0.095 R)
• M3: 1,081,593 km (0.118 R)
• M4: 1,602,792 km (0.119 R)
• M5: 2,464,326 km (0.08 R)
• M6: 2,889,632 km (0.112 R)
• M7: 3,446,436 km (0.112 R)
• M8: 4,388,454 km (0.06 R)
• M9: 5,269,735 km (0.092 R)
• M10: 5,829,231 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 9.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.94 AU - 1.42 AU

Year: 869 Days

Day: 8.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,364,820 km

• M1: 121,324 km (0.087 R)
• M2: 581,487 km (0.049 R)
• M3: 1,803,552 km (0.068 R)
• M4: 2,819,621 km (0.068 R)
• M5: 3,298,483 km (0.107 R)
• M6: 3,948,636 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.8

Radius: 8.1

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.83 AU - 2.49 AU

Year: 2153 Days

Day: 8.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,364,820 km

• M1: 100,679 km (0.089 R)
• M2: 421,118 km (0.05 R)
• M3: 745,895 km (0.117 R)
• M4: 1,017,565 km (0.051 R)
• M5: 1,304,793 km (0.075 R)
• M6: 1,687,015 km (0.106 R)
• M7: 2,178,893 km (0.047 R)
• M8: 2,459,090 km (0.055 R)
• M9: 3,741,293 km (0.029 R)
• M10: 4,558,098 km (0.096 R)
• M11: 4,976,373 km (0.085 R)
• M12: 5,329,275 km (0.108 R)
• M13: 6,234,641 km (0.042 R)
• M14: 6,566,898 km (0.114 R)
• M15: 7,046,209 km (0.115 R)
• M16: 7,463,438 km (0.056 R)
• M17: 7,779,837 km (0.114 R)
• M18: 9,767,245 km (0.12 R)
• M19: 11,266,664 km (0.084 R)
• M20: 11,760,337 km (0.073 R)
• M21: 15,213,056 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 10.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.62 AU - 2.74 AU

Year: 2976 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,364,820 km

• M1: 126,859 km (0.106 R)
• M2: 452,534 km (0.103 R)
• M3: 849,267 km (0.12 R)
• M4: 1,550,283 km (0.078 R)
• M5: 2,364,694 km (0.115 R)
• M6: 3,187,482 km (0.118 R)
• M7: 3,785,125 km (0.045 R)
• M8: 4,352,550 km (0.118 R)
• M9: 4,998,214 km (0.106 R)
• M10: 5,320,897 km (0.102 R)
• M11: 6,059,462 km (0.1 R)
• M12: 7,440,549 km (0.091 R)
• M13: 9,396,691 km (0.117 R)
• M14: 10,216,338 km (0.059 R)
• M15: 10,737,986 km (0.116 R)
• M16: 14,158,840 km (0.117 R)
• M17: 14,949,465 km (0.083 R)
• M18: 15,476,498 km (0.094 R)
• M19: 16,874,041 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 12.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.65 AU - 3.11 AU

Year: 3315 Days

Day: 14.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,364,820 km

• M1: 150,495 km (0.09 R)
• M2: 602,431 km (0.099 R)
• M3: 1,304,942 km (0.077 R)
• M4: 1,975,889 km (0.097 R)
• M5: 2,632,324 km (0.119 R)
• M6: 3,036,089 km (0.089 R)
• M7: 3,639,417 km (0.044 R)
• M8: 5,064,786 km (0.085 R)
• M9: 6,143,536 km (0.035 R)
• M10: 7,457,005 km (0.111 R)
• M11: 8,655,434 km (0.109 R)
• M12: 9,115,597 km (0.083 R)
• M13: 10,193,150 km (0.093 R)
• M14: 11,314,835 km (0.101 R)
• M15: 11,945,988 km (0.116 R)
• M16: 12,393,286 km (0.097 R)
• M17: 12,894,140 km (0.073 R)
• M18: 15,033,688 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.5

Radius: 14.2

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.76 AU - 4.32 AU

Year: 4517 Days

Day: 13 Hours

Environment

Temp: -212 °C

Axial Tilt: 172.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,364,820 km

• M1: 179,817 km (0.093 R)
• M2: 1,562,849 km (0.094 R)
• M3: 2,887,987 km (0.06 R)
• M4: 3,438,806 km (0.032 R)
• M5: 5,049,377 km (0.101 R)
• M6: 5,502,958 km (0.058 R)
• M7: 7,030,651 km (0.056 R)
• M8: 8,623,569 km (0.071 R)
• M9: 9,885,128 km (0.049 R)
• M10: 10,369,825 km (0.083 R)
• M11: 11,067,250 km (0.046 R)
• M12: 12,992,425 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.1

Radius: 12.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.21 AU - 5.15 AU

Year: 5796 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,364,820 km

• M1: 170,542 km (0.101 R)
• M2: 889,958 km (0.095 R)
• M3: 1,432,549 km (0.097 R)
• M4: 2,257,282 km (0.099 R)
• M5: 3,148,586 km (0.081 R)
• M6: 4,187,095 km (0.073 R)
• M7: 5,121,184 km (0.068 R)
• M8: 7,438,305 km (0.1 R)
• M9: 8,931,591 km (0.104 R)
• M10: 10,900,748 km (0.103 R)
• M11: 11,633,927 km (0.099 R)
• M12: 14,031,981 km (0.084 R)
• M13: 18,664,728 km (0.096 R)
• M14: 19,289,897 km (0.086 R)
• M15: 20,803,379 km (0.092 R)
• M16: 24,392,681 km (0.11 R)
• M17: 25,393,042 km (0.103 R)
• M18: 26,594,462 km (0.119 R)
• M19: 27,386,433 km (0.069 R)
• M20: 34,715,083 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.6

Radius: 8.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.56 AU - 5.1 AU

Year: 7200 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,364,820 km

• M1: 111,002 km (0.086 R)
• M2: 536,009 km (0.058 R)
• M3: 886,367 km (0.117 R)
• M4: 1,193,043 km (0.108 R)
• M5: 2,794,339 km (0.106 R)
• M6: 3,088,747 km (0.115 R)
• M7: 4,098,982 km (0.054 R)
• M8: 5,494,131 km (0.115 R)
• M9: 6,184,675 km (0.089 R)
• M10: 6,517,082 km (0.115 R)
• M11: 7,437,707 km (0.069 R)
• M12: 8,282,337 km (0.094 R)
• M13: 9,104,377 km (0.109 R)
• M14: 9,755,876 km (0.102 R)
• M15: 11,595,331 km (0.047 R)
• M16: 12,050,557 km (0.109 R)
• M17: 12,465,243 km (0.081 R)
• M18: 14,105,733 km (0.073 R)
• M19: 14,918,498 km (0.086 R)
• M20: 15,396,762 km (0.065 R)
• M21: 15,885,199 km (0.103 R)
• M22: 16,258,297 km (0.071 R)
• M23: 17,610,362 km (0.105 R)
• M24: 19,245,766 km (0.078 R)
• M25: 21,128,904 km (0.049 R)
• M26: 22,115,203 km (0.118 R)
• M27: 22,658,841 km (0.042 R)
• M28: 26,892,012 km (0.031 R)
• M29: 28,686,888 km (0.08 R)
• M30: 31,331,778 km (0.082 R)
• M31: 32,914,075 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.4

Radius: 6.7

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.89 AU - 7.37 AU

Year: 12913 Days

Day: 21.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,364,820 km

• M1: 86,767 km (0.078 R)
• M2: 315,951 km (0.037 R)
• M3: 566,527 km (0.034 R)
• M4: 1,117,047 km (0.094 R)
• M5: 1,326,484 km (0.088 R)
• M6: 1,683,126 km (0.11 R)
• M7: 7,375,923 km (0.106 R)
• M8: 8,728,737 km (0.107 R)
• M9: 9,263,848 km (0.103 R)
• M10: 10,779,424 km (0.071 R)
• M11: 14,293,329 km (0.044 R)
• M12: 14,695,448 km (0.105 R)
• M13: 18,740,873 km (0.112 R)
• M14: 19,877,967 km (0.089 R)
• M15: 22,110,416 km (0.078 R)
• M16: 22,467,955 km (0.111 R)
• M17: 25,469,785 km (0.118 R)
• M18: 27,168,320 km (0.089 R)
• M19: 31,460,133 km (0.066 R)
• M20: 34,960,574 km (0.075 R)
• M21: 37,814,003 km (0.094 R)
• M22: 39,624,736 km (0.079 R)
• M23: 41,900,269 km (0.114 R)
• M24: 43,139,538 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.6

Radius: 4.4

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.5 AU - 11.84 AU

Year: 20395 Days

Day: 21.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,364,820 km

• M1: 55,351 km (0.073 R)
• M2: 481,855 km (0.116 R)
• M3: 642,373 km (0.081 R)
• M4: 1,087,427 km (0.108 R)
• M5: 1,963,023 km (0.086 R)
• M6: 2,317,421 km (0.116 R)
• M7: 2,854,926 km (0.098 R)
• M8: 4,018,947 km (0.118 R)
• M9: 4,756,464 km (0.079 R)
• M10: 6,166,275 km (0.067 R)
• M11: 7,232,459 km (0.07 R)
• M12: 7,505,624 km (0.087 R)
• M13: 8,366,261 km (0.115 R)
• M14: 9,613,758 km (0.078 R)
• M15: 10,511,046 km (0.103 R)
• M16: 11,834,239 km (0.12 R)
• M17: 13,673,694 km (0.052 R)
• M18: 14,878,855 km (0.097 R)
• M19: 16,385,305 km (0.108 R)
• M20: 16,777,252 km (0.052 R)
• M21: 21,884,972 km (0.093 R)
• M22: 22,169,357 km (0.111 R)
• M23: 27,828,495 km (0.111 R)
• M24: 28,837,533 km (0.059 R)
• M25: 31,889,628 km (0.066 R)
• M26: 32,623,406 km (0.063 R)
• M27: 33,243,340 km (0.111 R)
• M28: 36,461,339 km (0.052 R)
• M29: 37,668,744 km (0.076 R)
• M30: 49,108,493 km (0.104 R)
• M31: 50,910,848 km (0.086 R)
• M32: 53,268,062 km (0.118 R)
• M33: 54,127,352 km (0.099 R)
• M34: 54,995,618 km (0.115 R)
• M35: 55,697,082 km (0.044 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: 354 - 15,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit