🌌 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: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.6

Radius: 9.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.54 AU - 0.86 AU

Year: 412 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,875,869 km

• M1: 113,246 km (0.032 R)
• M2: 556,504 km (0.098 R)
• M3: 887,265 km (0.048 R)
• M4: 1,385,276 km (0.108 R)
• M5: 1,748,799 km (0.086 R)
• M6: 2,152,414 km (0.036 R)
• M7: 2,444,130 km (0.073 R)
• M8: 3,178,955 km (0.089 R)
• M9: 3,494,008 km (0.082 R)
• M10: 3,923,204 km (0.085 R)
• M11: 4,249,328 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.6

Radius: 14.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.73 AU - 0.93 AU

Year: 532 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,875,869 km

• M1: 180,265 km (0.076 R)
• M2: 686,205 km (0.092 R)
• M3: 1,314,816 km (0.07 R)
• M4: 1,784,403 km (0.115 R)
• M5: 2,277,628 km (0.116 R)
• M6: 2,820,518 km (0.097 R)
• M7: 3,330,946 km (0.077 R)
• M8: 4,541,043 km (0.118 R)
• M9: 5,594,362 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 10.3

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.59 AU - 2.89 AU

Year: 3188 Days

Day: 14.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,875,869 km

• M1: 131,048 km (0.108 R)
• M2: 456,722 km (0.114 R)
• M3: 849,566 km (0.119 R)
• M4: 1,472,193 km (0.099 R)
• M5: 2,658,953 km (0.053 R)
• M6: 3,159,208 km (0.073 R)
• M7: 3,741,892 km (0.104 R)
• M8: 4,995,522 km (0.089 R)
• M9: 6,450,062 km (0.028 R)
• M10: 7,721,494 km (0.074 R)
• M11: 9,343,733 km (0.059 R)
• M12: 10,133,161 km (0.09 R)
• M13: 11,225,226 km (0.082 R)
• M14: 11,890,039 km (0.082 R)
• M15: 13,346,972 km (0.069 R)
• M16: 15,131,077 km (0.073 R)
• M17: 17,475,425 km (0.056 R)
• M18: 19,732,707 km (0.068 R)
• M19: 20,635,530 km (0.092 R)
• M20: 24,376,674 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.4

Radius: 13

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.32 AU - 5.34 AU

Year: 8650 Days

Day: 8.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,875,869 km

• M1: 161,715 km (0.09 R)
• M2: 794,365 km (0.08 R)
• M3: 1,225,057 km (0.102 R)
• M4: 1,699,432 km (0.063 R)
• M5: 2,112,920 km (0.106 R)
• M6: 2,699,793 km (0.12 R)
• M7: 3,209,922 km (0.104 R)
• M8: 5,251,932 km (0.04 R)
• M9: 6,899,304 km (0.041 R)
• M10: 8,047,917 km (0.1 R)
• M11: 9,530,581 km (0.041 R)
• M12: 10,092,620 km (0.103 R)
• M13: 11,141,152 km (0.065 R)
• M14: 12,463,298 km (0.047 R)
• M15: 16,375,581 km (0.085 R)
• M16: 18,082,194 km (0.08 R)
• M17: 20,184,493 km (0.111 R)
• M18: 21,477,318 km (0.109 R)
• M19: 24,547,365 km (0.099 R)
• M20: 27,898,806 km (0.089 R)
• M21: 28,692,872 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.7

Radius: 4.6

Gravity: 31.84 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.41 AU - 7.07 AU

Year: 9667 Days

Day: 24.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,875,869 km

• M1: 80,184 km (0.099 R)
• M2: 233,971 km (0.092 R)
• M3: 741,706 km (0.074 R)
• M4: 1,470,846 km (0.08 R)
• M5: 1,669,811 km (0.064 R)
• M6: 1,822,850 km (0.119 R)
• M7: 2,001,919 km (0.107 R)
• M8: 2,265,211 km (0.08 R)
• M9: 2,631,427 km (0.108 R)
• M10: 2,969,518 km (0.099 R)
• M11: 3,149,185 km (0.103 R)
• M12: 4,131,295 km (0.034 R)
• M13: 7,065,507 km (0.112 R)
• M14: 10,211,850 km (0.103 R)
• M15: 11,806,862 km (0.088 R)
• M16: 12,201,651 km (0.103 R)
• M17: 13,077,098 km (0.093 R)
• M18: 15,682,644 km (0.068 R)
• M19: 16,786,826 km (0.038 R)
• M20: 21,224,048 km (0.085 R)
• M21: 22,918,843 km (0.06 R)
• M22: 23,799,226 km (0.099 R)
• M23: 24,247,720 km (0.116 R)
• M24: 25,347,115 km (0.073 R)
• M25: 26,003,551 km (0.048 R)
• M26: 26,288,235 km (0.119 R)
• M27: 27,057,916 km (0.073 R)
• M28: 31,668,523 km (0.108 R)
• M29: 32,320,321 km (0.106 R)
• M30: 34,443,115 km (0.069 R)
• M31: 34,671,850 km (0.107 R)
• M32: 38,348,068 km (0.078 R)
• M33: 39,461,974 km (0.055 R)
• M34: 46,046,225 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.9

Radius: 5.6

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.01 AU - 7.03 AU

Year: 10383 Days

Day: 22.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,875,869 km

• M1: 97,987 km (0.116 R)
• M2: 350,209 km (0.088 R)
• M3: 629,807 km (0.074 R)
• M4: 924,365 km (0.101 R)
• M5: 1,147,116 km (0.098 R)
• M6: 1,850,974 km (0.092 R)
• M7: 2,225,717 km (0.105 R)
• M8: 2,422,139 km (0.047 R)
• M9: 2,610,782 km (0.094 R)
• M10: 3,442,546 km (0.073 R)
• M11: 3,957,462 km (0.046 R)
• M12: 4,301,088 km (0.094 R)
• M13: 5,047,881 km (0.08 R)
• M14: 6,832,284 km (0.087 R)
• M15: 8,689,692 km (0.091 R)
• M16: 10,910,023 km (0.094 R)
• M17: 11,906,046 km (0.103 R)
• M18: 13,133,347 km (0.095 R)
• M19: 14,381,442 km (0.089 R)
• M20: 15,641,654 km (0.11 R)
• M21: 16,499,299 km (0.092 R)
• M22: 17,667,509 km (0.101 R)
• M23: 18,307,787 km (0.088 R)
• M24: 20,945,347 km (0.118 R)
• M25: 22,977,335 km (0.093 R)
• M26: 23,314,230 km (0.116 R)
• M27: 26,403,875 km (0.101 R)
• M28: 30,661,430 km (0.083 R)
• M29: 34,248,637 km (0.101 R)
• M30: 36,827,854 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.2

Radius: 5.7

Gravity: 27.15 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.64 AU - 10.12 AU

Year: 18601 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,875,869 km

• M1: 71,657 km (0.119 R)
• M2: 358,736 km (0.082 R)
• M3: 611,406 km (0.074 R)
• M4: 898,634 km (0.11 R)
• M5: 1,133,204 km (0.089 R)
• M6: 1,639,293 km (0.105 R)
• M7: 2,241,425 km (0.078 R)
• M8: 3,223,236 km (0.096 R)
• M9: 3,840,327 km (0.107 R)
• M10: 7,015,243 km (0.114 R)
• M11: 10,585,994 km (0.116 R)
• M12: 17,521,800 km (0.078 R)
• M13: 19,034,683 km (0.115 R)
• M14: 20,729,179 km (0.116 R)
• M15: 22,317,609 km (0.047 R)
• M16: 24,849,702 km (0.088 R)
• M17: 26,640,239 km (0.103 R)
• M18: 29,730,482 km (0.047 R)
• M19: 30,351,014 km (0.118 R)
• M20: 31,617,809 km (0.103 R)
• M21: 34,121,030 km (0.111 R)
• M22: 34,938,134 km (0.092 R)
• M23: 37,901,069 km (0.065 R)
• M24: 41,796,149 km (0.06 R)
• M25: 42,262,146 km (0.073 R)
• M26: 47,281,155 km (0.107 R)
• M27: 49,499,093 km (0.098 R)
• M28: 51,964,167 km (0.088 R)
• M29: 53,226,922 km (0.113 R)
• M30: 53,957,558 km (0.088 R)
• M31: 54,880,278 km (0.06 R)
• M32: 57,519,783 km (0.085 R)
• M33: 63,868,118 km (0.096 R)
• M34: 69,357,612 km (0.067 R)
• M35: 71,994,125 km (0.081 R)
• M36: 77,465,817 km (0.091 R)
• M37: 78,403,945 km (0.034 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 310 - 19,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit