🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 14.1

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.74 AU - 0.9 AU

Year: 479 Days

Day: 13.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,401,161 km

• M1: 183,706 km (0.12 R)
• M2: 930,499 km (0.05 R)
• M3: 1,383,481 km (0.12 R)
• M4: 2,177,696 km (0.097 R)
• M5: 3,465,135 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 9.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.92 AU - 0.94 AU

Year: 579 Days

Day: 7.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,401,161 km

• M1: 114,442 km (0.038 R)
• M2: 655,987 km (0.046 R)
• M3: 1,008,738 km (0.114 R)
• M4: 1,307,485 km (0.083 R)
• M5: 1,988,305 km (0.116 R)
• M6: 2,282,415 km (0.087 R)
• M7: 2,643,544 km (0.086 R)
• M8: 2,969,967 km (0.041 R)
• M9: 3,402,005 km (0.116 R)
• M10: 3,753,111 km (0.077 R)
• M11: 4,487,338 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.5

Radius: 14.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.4 AU - 1.64 AU

Year: 1210 Days

Day: 14.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,401,161 km

• M1: 182,061 km (0.053 R)
• M2: 674,387 km (0.103 R)
• M3: 1,233,584 km (0.044 R)
• M4: 1,729,052 km (0.078 R)
• M5: 2,246,362 km (0.115 R)
• M6: 2,855,674 km (0.025 R)
• M7: 3,490,418 km (0.119 R)
• M8: 4,346,566 km (0.094 R)
• M9: 4,816,453 km (0.055 R)
• M10: 5,819,806 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 14.3

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.64 AU - 2.12 AU

Year: 1664 Days

Day: 14.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,401,161 km

• M1: 178,021 km (0.094 R)
• M2: 797,805 km (0.119 R)
• M3: 1,323,941 km (0.072 R)
• M4: 1,799,662 km (0.084 R)
• M5: 2,595,074 km (0.119 R)
• M6: 3,248,518 km (0.091 R)
• M7: 3,817,887 km (0.073 R)
• M8: 4,807,477 km (0.082 R)
• M9: 5,439,827 km (0.115 R)
• M10: 6,032,385 km (0.083 R)
• M11: 6,872,377 km (0.112 R)
• M12: 7,788,963 km (0.087 R)
• M13: 9,063,237 km (0.107 R)
• M14: 9,668,810 km (0.116 R)
• M15: 10,438,042 km (0.096 R)
• M16: 11,686,436 km (0.103 R)
• M17: 12,136,726 km (0.106 R)
• M18: 13,152,346 km (0.099 R)
• M19: 14,055,318 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.9

Radius: 13.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.21 AU - 2.55 AU

Year: 2371 Days

Day: 12.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,401,161 km

• M1: 167,550 km (0.116 R)
• M2: 584,928 km (0.084 R)
• M3: 1,035,516 km (0.059 R)
• M4: 1,539,960 km (0.106 R)
• M5: 2,004,911 km (0.114 R)
• M6: 2,441,886 km (0.062 R)
• M7: 2,989,265 km (0.118 R)
• M8: 3,653,629 km (0.109 R)
• M9: 4,098,383 km (0.086 R)
• M10: 6,024,755 km (0.044 R)
• M11: 6,730,109 km (0.111 R)
• M12: 8,306,272 km (0.107 R)
• M13: 10,009,594 km (0.058 R)
• M14: 11,076,526 km (0.099 R)
• M15: 14,322,351 km (0.088 R)
• M16: 15,484,576 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 13.4

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.42 AU - 3.34 AU

Year: 3156 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,401,161 km

• M1: 166,652 km (0.069 R)
• M2: 632,500 km (0.087 R)
• M3: 1,113,008 km (0.096 R)
• M4: 1,638,097 km (0.1 R)
• M5: 2,056,821 km (0.099 R)
• M6: 3,500,590 km (0.074 R)
• M7: 4,273,413 km (0.028 R)
• M8: 4,747,638 km (0.038 R)
• M9: 5,257,168 km (0.108 R)
• M10: 5,749,495 km (0.105 R)
• M11: 6,444,227 km (0.119 R)
• M12: 7,542,575 km (0.088 R)
• M13: 8,136,778 km (0.113 R)
• M14: 8,585,272 km (0.081 R)
• M15: 11,376,020 km (0.072 R)
• M16: 13,399,930 km (0.066 R)
• M17: 17,517,312 km (0.079 R)
• M18: 18,325,889 km (0.095 R)
• M19: 20,710,329 km (0.11 R)
• M20: 22,477,678 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.3

Radius: 12.4

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.82 AU - 5.88 AU

Year: 7990 Days

Day: 7.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,401,161 km

• M1: 157,676 km (0.091 R)
• M2: 743,202 km (0.05 R)
• M3: 1,131,857 km (0.076 R)
• M4: 1,635,853 km (0.096 R)
• M5: 2,946,928 km (0.108 R)
• M6: 4,781,746 km (0.117 R)
• M7: 5,861,993 km (0.119 R)
• M8: 8,965,251 km (0.105 R)
• M9: 9,445,759 km (0.118 R)
• M10: 9,851,618 km (0.091 R)
• M11: 12,164,401 km (0.065 R)
• M12: 15,615,774 km (0.044 R)
• M13: 17,163,065 km (0.098 R)
• M14: 20,261,386 km (0.108 R)
• M15: 20,862,321 km (0.076 R)
• M16: 21,397,731 km (0.117 R)
• M17: 22,576,263 km (0.043 R)
• M18: 23,140,846 km (0.115 R)
• M19: 23,963,634 km (0.108 R)
• M20: 26,549,583 km (0.059 R)
• M21: 27,817,724 km (0.114 R)
• M22: 34,133,896 km (0.069 R)
• M23: 34,985,108 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.6

Radius: 4.3

Gravity: 21.67 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.11 AU - 8.11 AU

Year: 10973 Days

Day: 16.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,401,161 km

• M1: 60,587 km (0.061 R)
• M2: 266,434 km (0.116 R)
• M3: 414,984 km (0.12 R)
• M4: 551,717 km (0.07 R)
• M5: 855,101 km (0.091 R)
• M6: 1,423,125 km (0.11 R)
• M7: 1,626,129 km (0.036 R)
• M8: 2,317,421 km (0.077 R)
• M9: 3,908,693 km (0.09 R)
• M10: 4,363,321 km (0.097 R)
• M11: 5,837,010 km (0.119 R)
• M12: 6,041,959 km (0.104 R)
• M13: 9,720,570 km (0.118 R)
• M14: 9,960,226 km (0.099 R)
• M15: 10,753,693 km (0.063 R)
• M16: 11,010,104 km (0.085 R)
• M17: 11,428,829 km (0.06 R)
• M18: 13,742,659 km (0.059 R)
• M19: 14,351,073 km (0.064 R)
• M20: 16,895,584 km (0.099 R)
• M21: 20,032,352 km (0.079 R)
• M22: 26,301,400 km (0.117 R)
• M23: 28,390,235 km (0.115 R)
• M24: 32,466,478 km (0.077 R)
• M25: 41,503,835 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.5

Radius: 7.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.97 AU - 7.49 AU

Year: 11273 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,401,161 km

• M1: 98,286 km (0.073 R)
• M2: 488,886 km (0.116 R)
• M3: 1,377,198 km (0.097 R)
• M4: 2,565,753 km (0.028 R)
• M5: 3,907,347 km (0.06 R)
• M6: 9,943,172 km (0.115 R)
• M7: 17,508,935 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.7

Radius: 6.7

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.92 AU - 9.38 AU

Year: 15023 Days

Day: 21.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,401,161 km

• M1: 83,476 km (0.103 R)
• M2: 336,146 km (0.08 R)
• M3: 1,098,198 km (0.112 R)
• M4: 1,749,846 km (0.052 R)
• M5: 2,291,839 km (0.096 R)
• M6: 3,625,205 km (0.026 R)
• M7: 4,322,481 km (0.117 R)
• M8: 5,172,197 km (0.1 R)
• M9: 6,550,143 km (0.078 R)
• M10: 6,950,018 km (0.049 R)
• M11: 7,323,713 km (0.097 R)
• M12: 9,547,486 km (0.083 R)
• M13: 10,702,980 km (0.03 R)
• M14: 12,185,495 km (0.107 R)
• M15: 12,425,150 km (0.109 R)
• M16: 12,790,468 km (0.106 R)
• M17: 13,415,339 km (0.082 R)
• M18: 13,864,581 km (0.101 R)
• M19: 15,833,887 km (0.055 R)
• M20: 17,982,262 km (0.116 R)
• M21: 20,067,208 km (0.101 R)
• M22: 21,253,968 km (0.106 R)
• M23: 22,307,885 km (0.111 R)
• M24: 23,304,356 km (0.087 R)
• M25: 23,673,863 km (0.093 R)
• M26: 24,047,259 km (0.104 R)
• M27: 28,946,590 km (0.092 R)
• M28: 29,481,103 km (0.106 R)
• M29: 32,827,158 km (0.09 R)
• M30: 36,294,239 km (0.089 R)
• M31: 37,291,907 km (0.111 R)
• M32: 40,527,559 km (0.117 R)
• M33: 50,265,633 km (0.096 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: 457 - 13,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit