🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 12

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.69 AU - 0.89 AU

Year: 461 Days

Day: 13.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,627,844 km

• M1: 149,299 km (0.113 R)
• M2: 542,143 km (0.091 R)
• M3: 1,204,412 km (0.093 R)
• M4: 1,586,186 km (0.061 R)
• M5: 2,010,446 km (0.086 R)
• M6: 2,437,099 km (0.049 R)
• M7: 2,883,050 km (0.06 R)
• M8: 3,429,830 km (0.057 R)
• M9: 4,110,501 km (0.036 R)
• M10: 4,703,806 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 14.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.06 AU - 1.18 AU

Year: 778 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,627,844 km

• M1: 183,407 km (0.059 R)
• M2: 706,850 km (0.059 R)
• M3: 1,286,841 km (0.111 R)
• M4: 1,771,089 km (0.042 R)
• M5: 2,699,942 km (0.099 R)
• M6: 4,238,407 km (0.084 R)
• M7: 4,775,314 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.7

Radius: 11.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.38 AU - 1.66 AU

Year: 1229 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,627,844 km

• M1: 145,559 km (0.106 R)
• M2: 581,188 km (0.114 R)
• M3: 948,750 km (0.085 R)
• M4: 1,318,107 km (0.078 R)
• M5: 1,751,193 km (0.056 R)
• M6: 2,145,533 km (0.087 R)
• M7: 2,634,419 km (0.082 R)
• M8: 3,157,263 km (0.1 R)
• M9: 3,659,912 km (0.101 R)
• M10: 4,024,183 km (0.117 R)
• M11: 4,530,871 km (0.074 R)
• M12: 5,342,290 km (0.111 R)
• M13: 5,914,801 km (0.091 R)
• M14: 6,884,045 km (0.095 R)
• M15: 7,347,499 km (0.065 R)
• M16: 8,183,452 km (0.084 R)
• M17: 8,730,681 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.1

Radius: 9.7

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.12 AU - 3.48 AU

Year: 3933 Days

Day: 9.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,627,844 km

• M1: 120,725 km (0.106 R)
• M2: 1,051,673 km (0.115 R)
• M3: 1,715,588 km (0.086 R)
• M4: 2,930,173 km (0.111 R)
• M5: 3,562,524 km (0.06 R)
• M6: 4,131,744 km (0.057 R)
• M7: 4,438,419 km (0.068 R)
• M8: 4,831,413 km (0.12 R)
• M9: 5,197,479 km (0.101 R)
• M10: 5,875,756 km (0.088 R)
• M11: 6,494,941 km (0.06 R)
• M12: 6,972,009 km (0.114 R)
• M13: 7,408,535 km (0.051 R)
• M14: 7,963,095 km (0.044 R)
• M15: 9,081,937 km (0.077 R)
• M16: 11,160,600 km (0.078 R)
• M17: 15,912,726 km (0.077 R)
• M18: 16,288,815 km (0.116 R)
• M19: 16,780,842 km (0.106 R)
• M20: 18,493,289 km (0.117 R)
• M21: 21,666,708 km (0.093 R)
• M22: 22,195,387 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.4

Radius: 11.8

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.91 AU - 3.91 AU

Year: 4131 Days

Day: 14.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,627,844 km

• M1: 152,590 km (0.116 R)
• M2: 570,417 km (0.075 R)
• M3: 1,003,353 km (0.086 R)
• M4: 1,406,669 km (0.105 R)
• M5: 1,813,276 km (0.089 R)
• M6: 2,523,716 km (0.062 R)
• M7: 3,951,478 km (0.114 R)
• M8: 4,724,750 km (0.109 R)
• M9: 5,889,818 km (0.061 R)
• M10: 8,702,707 km (0.106 R)
• M11: 9,219,118 km (0.09 R)
• M12: 11,872,685 km (0.037 R)
• M13: 15,917,363 km (0.034 R)
• M14: 17,803,044 km (0.096 R)
• M15: 18,377,350 km (0.088 R)
• M16: 19,228,712 km (0.066 R)
• M17: 19,833,387 km (0.08 R)
• M18: 21,364,970 km (0.096 R)
• M19: 22,601,396 km (0.102 R)
• M20: 23,884,946 km (0.082 R)
• M21: 28,284,769 km (0.09 R)
• M22: 29,419,468 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.7

Radius: 13.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.13 AU - 3.75 AU

Year: 4185 Days

Day: 15 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,627,844 km

• M1: 169,345 km (0.112 R)
• M2: 763,996 km (0.05 R)
• M3: 1,446,911 km (0.103 R)
• M4: 2,135,210 km (0.108 R)
• M5: 3,070,347 km (0.089 R)
• M6: 4,611,354 km (0.107 R)
• M7: 5,131,057 km (0.075 R)
• M8: 5,717,331 km (0.06 R)
• M9: 7,547,213 km (0.117 R)
• M10: 9,156,287 km (0.061 R)
• M11: 14,037,666 km (0.067 R)
• M12: 15,350,238 km (0.117 R)
• M13: 16,685,698 km (0.119 R)
• M14: 18,157,741 km (0.077 R)
• M15: 18,708,411 km (0.101 R)
• M16: 19,144,339 km (0.112 R)
• M17: 22,458,680 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.4

Radius: 9.3

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.04 AU - 5.28 AU

Year: 7689 Days

Day: 12.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,627,844 km

• M1: 115,639 km (0.104 R)
• M2: 423,063 km (0.071 R)
• M3: 848,968 km (0.115 R)
• M4: 1,955,843 km (0.064 R)
• M5: 3,006,768 km (0.076 R)
• M6: 3,411,579 km (0.042 R)
• M7: 4,202,803 km (0.054 R)
• M8: 4,943,611 km (0.116 R)
• M9: 6,009,197 km (0.091 R)
• M10: 6,859,362 km (0.07 R)
• M11: 8,048,814 km (0.062 R)
• M12: 11,658,312 km (0.096 R)
• M13: 13,068,421 km (0.064 R)
• M14: 13,531,576 km (0.051 R)
• M15: 14,053,523 km (0.104 R)
• M16: 14,539,716 km (0.048 R)
• M17: 15,545,612 km (0.104 R)
• M18: 15,856,327 km (0.09 R)
• M19: 17,527,934 km (0.084 R)
• M20: 18,320,204 km (0.118 R)
• M21: 18,842,001 km (0.087 R)
• M22: 20,715,266 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 11.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.02 AU - 6.46 AU

Year: 9021 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,627,844 km

• M1: 147,952 km (0.077 R)
• M2: 557,701 km (0.119 R)
• M3: 1,003,203 km (0.094 R)
• M4: 1,404,574 km (0.103 R)
• M5: 1,828,984 km (0.105 R)
• M6: 2,769,655 km (0.051 R)
• M7: 3,147,390 km (0.052 R)
• M8: 3,910,937 km (0.09 R)
• M9: 5,837,459 km (0.076 R)
• M10: 6,671,317 km (0.084 R)
• M11: 7,659,261 km (0.112 R)
• M12: 9,608,222 km (0.058 R)
• M13: 10,915,558 km (0.026 R)
• M14: 12,180,109 km (0.076 R)
• M15: 17,681,122 km (0.071 R)
• M16: 22,439,980 km (0.111 R)
• M17: 25,412,190 km (0.108 R)
• M18: 27,442,981 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.2

Radius: 3.8

Gravity: 53.61 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 7.83 AU - 9.17 AU

Year: 16257 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 59.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,627,844 km

• M1: 47,273 km (0.113 R)
• M2: 335,099 km (0.112 R)
• M3: 1,049,429 km (0.059 R)
• M4: 3,319,726 km (0.08 R)
• M5: 4,331,158 km (0.094 R)
• M6: 6,761,824 km (0.092 R)
• M7: 7,301,274 km (0.097 R)
• M8: 11,275,940 km (0.089 R)
• M9: 13,716,778 km (0.116 R)
• M10: 15,551,746 km (0.113 R)
• M11: 16,808,368 km (0.065 R)
• M12: 17,051,315 km (0.085 R)
• M13: 18,730,850 km (0.098 R)
• M14: 19,610,635 km (0.118 R)
• M15: 21,452,185 km (0.08 R)
• M16: 21,738,067 km (0.082 R)
• M17: 24,014,348 km (0.115 R)
• M18: 28,342,663 km (0.1 R)
• M19: 29,266,430 km (0.12 R)
• M20: 38,361,831 km (0.093 R)
• M21: 40,788,607 km (0.042 R)
• M22: 46,419,770 km (0.025 R)
• M23: 51,010,181 km (0.098 R)
• M24: 52,203,224 km (0.118 R)
• M25: 53,414,817 km (0.094 R)
• M26: 55,177,828 km (0.046 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.4

Radius: 6.1

Gravity: 24.06 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.48 AU - 10.14 AU

Year: 20156 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,627,844 km

• M1: 76,145 km (0.104 R)
• M2: 860,786 km (0.081 R)
• M3: 1,613,263 km (0.098 R)
• M4: 2,469,861 km (0.07 R)
• M5: 7,389,088 km (0.119 R)
• M6: 9,607,774 km (0.114 R)
• M7: 11,891,834 km (0.097 R)
• M8: 12,304,724 km (0.087 R)
• M9: 14,436,793 km (0.033 R)
• M10: 14,827,692 km (0.103 R)
• M11: 19,227,665 km (0.098 R)
• M12: 23,554,933 km (0.106 R)
• M13: 24,096,776 km (0.1 R)
• M14: 27,523,465 km (0.108 R)
• M15: 31,522,067 km (0.066 R)
• M16: 34,070,616 km (0.089 R)
• M17: 37,776,006 km (0.103 R)
• M18: 46,312,509 km (0.102 R)
• M19: 49,597,528 km (0.061 R)
• M20: 58,779,098 km (0.118 R)
• M21: 61,596,325 km (0.081 R)
• M22: 65,349,137 km (0.111 R)
• M23: 68,152,452 km (0.09 R)
• M24: 71,259,749 km (0.111 R)
• M25: 73,077,064 km (0.094 R)
• M26: 75,392,091 km (0.098 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: 488 - 18,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit