🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.4

Radius: 11.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.67 AU - 0.85 AU

Year: 421 Days

Day: 6 Hours

Environment

Temp: -137 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,998,734 km

• M1: 147,952 km (0.054 R)
• M2: 523,593 km (0.102 R)
• M3: 997,519 km (0.089 R)
• M4: 1,430,904 km (0.115 R)
• M5: 1,847,384 km (0.025 R)
• M6: 2,276,431 km (0.081 R)
• M7: 2,811,692 km (0.032 R)
• M8: 3,228,771 km (0.097 R)
• M9: 3,970,627 km (0.086 R)
• M10: 5,193,140 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 10.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.81 AU - 1.09 AU

Year: 589 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,998,734 km

• M1: 131,945 km (0.091 R)
• M2: 517,309 km (0.075 R)
• M3: 969,693 km (0.061 R)
• M4: 1,340,846 km (0.099 R)
• M5: 1,807,890 km (0.11 R)
• M6: 3,276,193 km (0.092 R)
• M7: 3,667,841 km (0.092 R)
• M8: 4,020,293 km (0.085 R)
• M9: 4,350,904 km (0.088 R)
• M10: 5,334,510 km (0.113 R)
• M11: 6,596,518 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 14.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.95 AU - 1.13 AU

Year: 674 Days

Day: 9.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,998,734 km

• M1: 183,557 km (0.106 R)
• M2: 781,649 km (0.095 R)
• M3: 1,271,881 km (0.07 R)
• M4: 1,896,303 km (0.106 R)
• M5: 2,430,068 km (0.076 R)
• M6: 3,113,880 km (0.119 R)
• M7: 4,027,175 km (0.119 R)
• M8: 4,588,167 km (0.117 R)
• M9: 5,417,537 km (0.099 R)
• M10: 7,353,483 km (0.116 R)
• M11: 8,075,443 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 9

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.72 AU - 2.76 AU

Year: 2132 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,998,734 km

• M1: 111,899 km (0.096 R)
• M2: 418,724 km (0.106 R)
• M3: 841,189 km (0.053 R)
• M4: 1,283,251 km (0.111 R)
• M5: 1,631,514 km (0.084 R)
• M6: 1,934,001 km (0.051 R)
• M7: 2,728,815 km (0.12 R)
• M8: 3,026,814 km (0.12 R)
• M9: 3,470,222 km (0.11 R)
• M10: 4,094,943 km (0.077 R)
• M11: 4,859,687 km (0.051 R)
• M12: 5,228,894 km (0.114 R)
• M13: 5,616,802 km (0.06 R)
• M14: 6,076,067 km (0.112 R)
• M15: 6,368,830 km (0.11 R)
• M16: 7,364,105 km (0.084 R)
• M17: 7,728,076 km (0.118 R)
• M18: 8,040,586 km (0.099 R)
• M19: 10,357,708 km (0.099 R)
• M20: 10,931,715 km (0.096 R)
• M21: 12,143,308 km (0.088 R)
• M22: 12,609,305 km (0.051 R)
• M23: 13,043,139 km (0.111 R)
• M24: 16,211,921 km (0.059 R)
• M25: 18,551,482 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.1

Radius: 11.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.07 AU - 5.51 AU

Year: 6666 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,998,734 km

• M1: 142,118 km (0.036 R)
• M2: 533,765 km (0.08 R)
• M3: 1,032,824 km (0.091 R)
• M4: 1,436,588 km (0.099 R)
• M5: 2,017,178 km (0.117 R)
• M6: 2,559,769 km (0.117 R)
• M7: 2,930,772 km (0.093 R)
• M8: 4,388,304 km (0.095 R)
• M9: 4,818,547 km (0.098 R)
• M10: 5,705,364 km (0.096 R)
• M11: 6,219,083 km (0.067 R)
• M12: 7,947,985 km (0.1 R)
• M13: 8,321,382 km (0.09 R)
• M14: 8,824,479 km (0.097 R)
• M15: 9,388,762 km (0.082 R)
• M16: 10,860,057 km (0.1 R)
• M17: 12,985,095 km (0.057 R)
• M18: 13,929,507 km (0.11 R)
• M19: 14,309,036 km (0.059 R)
• M20: 15,779,284 km (0.103 R)
• M21: 17,100,233 km (0.115 R)
• M22: 19,351,382 km (0.095 R)

Asteroid Belt

Center: 5.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.9

Radius: 4.5

Gravity: 31.55 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.17 AU - 8.37 AU

Year: 11200 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,998,734 km

• M1: 56,099 km (0.099 R)
• M2: 286,779 km (0.1 R)
• M3: 447,597 km (0.089 R)
• M4: 607,966 km (0.093 R)
• M5: 882,777 km (0.09 R)
• M6: 1,082,490 km (0.072 R)
• M7: 1,487,452 km (0.115 R)
• M8: 1,663,080 km (0.087 R)
• M9: 2,759,333 km (0.11 R)
• M10: 3,358,023 km (0.113 R)
• M11: 3,507,771 km (0.114 R)
• M12: 4,592,355 km (0.091 R)
• M13: 4,998,813 km (0.094 R)
• M14: 5,428,907 km (0.098 R)
• M15: 5,847,332 km (0.117 R)
• M16: 6,249,601 km (0.097 R)
• M17: 6,787,854 km (0.075 R)
• M18: 9,547,635 km (0.068 R)
• M19: 9,697,532 km (0.087 R)
• M20: 10,104,738 km (0.097 R)
• M21: 12,671,239 km (0.11 R)
• M22: 14,892,767 km (0.086 R)
• M23: 15,298,028 km (0.06 R)
• M24: 15,849,745 km (0.113 R)
• M25: 16,629,898 km (0.084 R)
• M26: 19,123,395 km (0.098 R)
• M27: 23,449,765 km (0.066 R)
• M28: 25,406,057 km (0.073 R)
• M29: 26,374,703 km (0.077 R)
• M30: 29,112,643 km (0.051 R)
• M31: 31,589,685 km (0.104 R)
• M32: 34,554,864 km (0.112 R)
• M33: 35,264,556 km (0.101 R)
• M34: 38,578,598 km (0.093 R)
• M35: 40,637,214 km (0.109 R)
• M36: 46,387,457 km (0.082 R)
• M37: 46,530,473 km (0.104 R)
• M38: 46,673,937 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.8

Radius: 5.2

Gravity: 25.81 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 6.5 AU - 8.8 AU

Year: 13453 Days

Day: 17.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,998,734 km

• M1: 64,626 km (0.109 R)
• M2: 390,301 km (0.099 R)
• M3: 555,756 km (0.095 R)
• M4: 960,119 km (0.119 R)
• M5: 1,423,723 km (0.081 R)
• M6: 1,649,915 km (0.116 R)
• M7: 1,882,240 km (0.101 R)
• M8: 2,433,808 km (0.074 R)
• M9: 3,363,110 km (0.098 R)
• M10: 3,655,574 km (0.069 R)
• M11: 3,964,792 km (0.116 R)
• M12: 5,203,612 km (0.061 R)
• M13: 6,517,082 km (0.065 R)
• M14: 7,272,252 km (0.103 R)
• M15: 7,625,901 km (0.08 R)
• M16: 9,105,574 km (0.092 R)
• M17: 9,832,769 km (0.05 R)
• M18: 11,284,467 km (0.113 R)
• M19: 12,494,265 km (0.109 R)
• M20: 15,383,299 km (0.082 R)
• M21: 16,867,160 km (0.113 R)
• M22: 19,944,687 km (0.091 R)
• M23: 20,288,912 km (0.113 R)
• M24: 23,281,767 km (0.107 R)
• M25: 23,855,774 km (0.108 R)
• M26: 24,146,293 km (0.047 R)
• M27: 24,734,362 km (0.089 R)
• M28: 31,614,069 km (0.09 R)
• M29: 33,756,311 km (0.059 R)
• M30: 34,122,526 km (0.105 R)
• M31: 35,993,397 km (0.05 R)
• M32: 38,993,283 km (0.106 R)
• M33: 41,314,743 km (0.069 R)
• M34: 41,593,743 km (0.115 R)
• M35: 49,454,214 km (0.11 R)
• M36: 50,720,560 km (0.079 R)
• M37: 57,725,181 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.8

Radius: 6.3

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.86 AU - 9.1 AU

Year: 15701 Days

Day: 22.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,998,734 km

• M1: 78,688 km (0.07 R)
• M2: 402,119 km (0.112 R)
• M3: 1,050,626 km (0.099 R)
• M4: 1,494,632 km (0.076 R)
• M5: 2,471,506 km (0.079 R)
• M6: 2,791,945 km (0.103 R)
• M7: 3,615,033 km (0.044 R)
• M8: 4,359,132 km (0.059 R)
• M9: 4,858,340 km (0.118 R)
• M10: 7,362,160 km (0.057 R)
• M11: 9,143,272 km (0.1 R)
• M12: 9,426,162 km (0.072 R)
• M13: 9,763,355 km (0.107 R)
• M14: 12,126,852 km (0.116 R)
• M15: 13,410,552 km (0.047 R)
• M16: 16,660,116 km (0.111 R)
• M17: 18,317,062 km (0.061 R)
• M18: 20,882,068 km (0.075 R)
• M19: 22,292,476 km (0.116 R)
• M20: 26,520,411 km (0.094 R)
• M21: 32,655,719 km (0.101 R)
• M22: 37,232,367 km (0.071 R)
• M23: 38,807,184 km (0.083 R)
• M24: 40,805,662 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.2

Radius: 4.8

Gravity: 41.2 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.63 AU - 9.99 AU

Year: 16626 Days

Day: 15.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,998,734 km

• M1: 60,138 km (0.077 R)
• M2: 297,700 km (0.044 R)
• M3: 581,786 km (0.097 R)
• M4: 1,148,313 km (0.092 R)
• M5: 1,601,296 km (0.106 R)
• M6: 1,849,778 km (0.071 R)
• M7: 2,144,336 km (0.102 R)
• M8: 2,515,339 km (0.046 R)
• M9: 3,057,332 km (0.079 R)
• M10: 4,303,033 km (0.104 R)
• M11: 4,891,850 km (0.1 R)
• M12: 6,663,388 km (0.044 R)
• M13: 7,497,546 km (0.077 R)
• M14: 9,204,009 km (0.105 R)
• M15: 9,483,458 km (0.025 R)
• M16: 9,942,125 km (0.093 R)
• M17: 11,599,669 km (0.114 R)
• M18: 19,066,997 km (0.118 R)
• M19: 19,429,622 km (0.082 R)
• M20: 21,409,101 km (0.103 R)
• M21: 23,519,179 km (0.089 R)
• M22: 25,544,136 km (0.025 R)
• M23: 28,973,368 km (0.076 R)
• M24: 34,005,990 km (0.118 R)
• M25: 35,213,394 km (0.096 R)
• M26: 37,430,135 km (0.085 R)
• M27: 39,444,471 km (0.086 R)
• M28: 40,032,989 km (0.11 R)
• M29: 46,570,715 km (0.12 R)
• M30: 47,891,514 km (0.113 R)
• M31: 51,477,525 km (0.067 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 14,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit