🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.7

Radius: 13.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.58 AU - 0.66 AU

Year: 326 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,477,406 km

• M1: 171,589 km (0.087 R)
• M2: 603,927 km (0.106 R)
• M3: 1,330,374 km (0.116 R)
• M4: 1,787,695 km (0.118 R)
• M5: 2,292,139 km (0.113 R)
• M6: 3,096,676 km (0.12 R)
• M7: 3,894,631 km (0.106 R)
• M8: 4,614,646 km (0.113 R)
• M9: 5,147,812 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.3

Radius: 12.9

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.82 AU - 1.26 AU

Year: 707 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,477,406 km

• M1: 171,290 km (0.115 R)
• M2: 823,835 km (0.053 R)
• M3: 1,303,147 km (0.074 R)
• M4: 2,019,272 km (0.087 R)
• M5: 2,464,027 km (0.09 R)
• M6: 3,971,225 km (0.095 R)
• M7: 4,377,234 km (0.047 R)
• M8: 5,194,786 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.6

Radius: 12.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.17 AU - 1.53 AU

Year: 1046 Days

Day: 14.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,477,406 km

• M1: 159,172 km (0.073 R)
• M2: 637,586 km (0.086 R)
• M3: 1,267,094 km (0.026 R)
• M4: 1,761,365 km (0.092 R)
• M5: 2,363,946 km (0.075 R)
• M6: 2,882,601 km (0.056 R)
• M7: 3,883,710 km (0.043 R)
• M8: 4,497,361 km (0.115 R)
• M9: 5,104,279 km (0.036 R)
• M10: 5,520,161 km (0.086 R)
• M11: 6,196,793 km (0.108 R)
• M12: 7,169,478 km (0.091 R)
• M13: 7,952,024 km (0.113 R)
• M14: 8,364,316 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.1

Radius: 9.2

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.2 AU - 1.7 AU

Year: 1164 Days

Day: 12.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,477,406 km

• M1: 114,442 km (0.119 R)
• M2: 577,747 km (0.093 R)
• M3: 1,212,790 km (0.113 R)
• M4: 1,720,226 km (0.058 R)
• M5: 2,315,476 km (0.037 R)
• M6: 2,917,607 km (0.113 R)
• M7: 3,458,703 km (0.048 R)
• M8: 3,753,710 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.7

Radius: 12.9

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.13 AU - 3.97 AU

Year: 4460 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,477,406 km

• M1: 160,967 km (0.031 R)
• M2: 586,723 km (0.112 R)
• M3: 1,173,894 km (0.103 R)
• M4: 2,074,623 km (0.117 R)
• M5: 2,817,975 km (0.075 R)
• M6: 3,732,467 km (0.098 R)
• M7: 4,270,570 km (0.061 R)
• M8: 4,811,217 km (0.078 R)
• M9: 6,145,481 km (0.106 R)
• M10: 6,867,889 km (0.105 R)
• M11: 8,303,131 km (0.076 R)
• M12: 8,848,265 km (0.073 R)
• M13: 9,690,800 km (0.072 R)
• M14: 11,315,433 km (0.076 R)
• M15: 14,886,035 km (0.083 R)
• M16: 15,420,100 km (0.097 R)
• M17: 16,133,682 km (0.05 R)
• M18: 17,157,679 km (0.062 R)
• M19: 18,590,079 km (0.119 R)
• M20: 20,036,092 km (0.068 R)
• M21: 21,827,825 km (0.082 R)
• M22: 22,587,633 km (0.025 R)
• M23: 24,380,115 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.4

Radius: 9.8

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.38 AU - 4.62 AU

Year: 5335 Days

Day: 13.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,477,406 km

• M1: 122,072 km (0.066 R)
• M2: 808,726 km (0.09 R)
• M3: 1,121,685 km (0.095 R)
• M4: 1,530,087 km (0.091 R)
• M5: 1,903,783 km (0.066 R)
• M6: 2,405,833 km (0.095 R)
• M7: 2,744,223 km (0.068 R)
• M8: 3,155,617 km (0.076 R)
• M9: 3,562,972 km (0.101 R)
• M10: 4,778,006 km (0.088 R)
• M11: 5,317,008 km (0.065 R)
• M12: 6,965,576 km (0.055 R)
• M13: 7,696,960 km (0.089 R)
• M14: 9,056,655 km (0.089 R)
• M15: 9,883,034 km (0.111 R)
• M16: 11,485,825 km (0.054 R)
• M17: 12,193,722 km (0.067 R)
• M18: 12,823,529 km (0.099 R)
• M19: 13,640,932 km (0.096 R)
• M20: 15,500,583 km (0.092 R)
• M21: 17,066,574 km (0.053 R)
• M22: 17,523,296 km (0.083 R)
• M23: 20,364,309 km (0.052 R)
• M24: 21,627,514 km (0.114 R)
• M25: 22,784,952 km (0.098 R)
• M26: 23,579,168 km (0.111 R)
• M27: 24,064,463 km (0.099 R)
• M28: 26,244,852 km (0.077 R)
• M29: 27,382,993 km (0.076 R)
• M30: 27,829,393 km (0.059 R)
• M31: 28,280,729 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.9

Radius: 3.7

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.34 AU - 6.66 AU

Year: 11051 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,477,406 km

• M1: 46,076 km (0.083 R)
• M2: 342,579 km (0.112 R)
• M3: 524,041 km (0.117 R)
• M4: 647,908 km (0.108 R)
• M5: 858,243 km (0.064 R)
• M6: 993,779 km (0.111 R)
• M7: 1,133,204 km (0.06 R)
• M8: 2,298,272 km (0.099 R)
• M9: 2,729,563 km (0.078 R)
• M10: 3,363,858 km (0.073 R)
• M11: 4,065,921 km (0.108 R)
• M12: 5,354,557 km (0.066 R)
• M13: 5,567,285 km (0.105 R)
• M14: 5,785,548 km (0.035 R)
• M15: 8,578,241 km (0.104 R)
• M16: 8,785,584 km (0.107 R)
• M17: 9,167,358 km (0.066 R)
• M18: 10,805,604 km (0.073 R)
• M19: 14,066,987 km (0.079 R)
• M20: 18,131,412 km (0.052 R)
• M21: 22,284,697 km (0.112 R)
• M22: 25,635,690 km (0.073 R)
• M23: 26,676,591 km (0.057 R)
• M24: 34,240,709 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.5

Radius: 5.1

Gravity: 19.67 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.3 AU - 6.7 AU

Year: 11051 Days

Day: 16.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,477,406 km

• M1: 63,429 km (0.108 R)
• M2: 338,690 km (0.057 R)
• M3: 860,637 km (0.054 R)
• M4: 1,071,570 km (0.116 R)
• M5: 1,406,519 km (0.08 R)
• M6: 1,792,930 km (0.117 R)
• M7: 2,590,437 km (0.118 R)
• M8: 3,405,147 km (0.066 R)
• M9: 3,779,889 km (0.069 R)
• M10: 4,350,007 km (0.076 R)
• M11: 4,640,825 km (0.115 R)
• M12: 5,625,478 km (0.119 R)
• M13: 5,865,733 km (0.098 R)
• M14: 6,257,230 km (0.055 R)
• M15: 7,870,942 km (0.094 R)
• M16: 9,356,449 km (0.054 R)
• M17: 9,989,847 km (0.036 R)
• M18: 12,288,867 km (0.077 R)
• M19: 14,024,352 km (0.061 R)
• M20: 14,339,255 km (0.109 R)
• M21: 14,983,274 km (0.089 R)
• M22: 15,378,811 km (0.047 R)
• M23: 15,916,914 km (0.09 R)
• M24: 16,817,942 km (0.091 R)
• M25: 19,026,306 km (0.107 R)
• M26: 21,090,308 km (0.119 R)
• M27: 22,432,051 km (0.057 R)
• M28: 24,640,864 km (0.109 R)
• M29: 28,269,510 km (0.093 R)
• M30: 29,691,288 km (0.089 R)
• M31: 30,735,780 km (0.103 R)
• M32: 36,327,001 km (0.071 R)
• M33: 39,610,674 km (0.106 R)
• M34: 41,906,403 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.4

Radius: 8

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.66 AU - 6.8 AU

Year: 11643 Days

Day: 16.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,477,406 km

• M1: 100,081 km (0.058 R)
• M2: 643,420 km (0.116 R)
• M3: 1,248,993 km (0.077 R)
• M4: 1,745,209 km (0.042 R)
• M5: 2,348,986 km (0.05 R)
• M6: 3,262,730 km (0.06 R)
• M7: 4,479,110 km (0.114 R)
• M8: 6,946,128 km (0.062 R)
• M9: 7,530,458 km (0.117 R)
• M10: 7,855,235 km (0.092 R)
• M11: 13,324,383 km (0.079 R)
• M12: 14,535,079 km (0.081 R)
• M13: 15,360,410 km (0.1 R)
• M14: 16,082,818 km (0.076 R)
• M15: 29,303,829 km (0.04 R)
• M16: 29,603,923 km (0.03 R)
• M17: 36,158,703 km (0.101 R)
• M18: 36,735,253 km (0.059 R)
• M19: 37,435,371 km (0.034 R)
• M20: 39,833,126 km (0.081 R)
• M21: 41,319,829 km (0.116 R)
• M22: 42,714,830 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.7

Radius: 7.6

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.2 AU - 8.26 AU

Year: 15745 Days

Day: 17.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,477,406 km

• M1: 94,695 km (0.094 R)
• M2: 379,829 km (0.119 R)
• M3: 894,446 km (0.083 R)
• M4: 1,215,184 km (0.108 R)
• M5: 1,797,119 km (0.117 R)
• M6: 2,377,559 km (0.087 R)
• M7: 2,782,221 km (0.05 R)
• M8: 3,365,354 km (0.097 R)
• M9: 5,306,984 km (0.104 R)
• M10: 5,801,256 km (0.087 R)
• M11: 6,202,178 km (0.11 R)
• M12: 7,469,571 km (0.054 R)
• M13: 7,847,755 km (0.109 R)
• M14: 10,982,428 km (0.1 R)
• M15: 11,975,459 km (0.094 R)
• M16: 12,692,033 km (0.084 R)
• M17: 14,571,730 km (0.105 R)
• M18: 17,031,119 km (0.104 R)
• M19: 17,521,202 km (0.112 R)
• M20: 18,104,783 km (0.115 R)
• M21: 21,691,242 km (0.108 R)
• M22: 32,921,704 km (0.111 R)
• M23: 34,324,633 km (0.119 R)
• M24: 34,844,635 km (0.112 R)
• M25: 35,501,968 km (0.103 R)
• M26: 39,620,547 km (0.045 R)
• M27: 49,779,589 km (0.1 R)
• M28: 57,986,827 km (0.103 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 12,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit