🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.4

Radius: 13.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 13.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,521,276 km

• M1: 166,951 km (0.11 R)
• M2: 608,714 km (0.095 R)
• M3: 883,226 km (0.107 R)
• M4: 1,140,684 km (0.118 R)
• M5: 1,420,881 km (0.071 R)
• M6: 1,954,646 km (0.06 R)
• M7: 2,316,972 km (0.113 R)
• M8: 2,659,102 km (0.094 R)
• M9: 2,963,534 km (0.099 R)
• M10: 3,338,725 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.3

Radius: 10.2

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.82 AU - 1 AU

Year: 589 Days

Day: 10.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,521,276 km

• M1: 145,409 km (0.052 R)
• M2: 338,839 km (0.075 R)
• M3: 557,850 km (0.04 R)
• M4: 1,386,024 km (0.099 R)
• M5: 1,885,681 km (0.098 R)
• M6: 2,107,236 km (0.111 R)
• M7: 2,318,767 km (0.106 R)
• M8: 2,516,685 km (0.06 R)
• M9: 2,920,599 km (0.111 R)
• M10: 3,198,253 km (0.06 R)
• M11: 3,546,966 km (0.08 R)
• M12: 4,099,730 km (0.08 R)
• M13: 4,440,364 km (0.117 R)
• M14: 4,693,932 km (0.109 R)
• M15: 5,058,652 km (0.049 R)
• M16: 5,353,509 km (0.033 R)
• M17: 5,718,379 km (0.097 R)
• M18: 6,006,504 km (0.065 R)
• M19: 6,498,532 km (0.107 R)
• M20: 6,711,559 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 10

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.35 AU - 1.45 AU

Year: 1124 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,521,276 km

• M1: 125,662 km (0.07 R)
• M2: 312,211 km (0.057 R)
• M3: 514,766 km (0.078 R)
• M4: 705,504 km (0.105 R)
• M5: 999,912 km (0.067 R)
• M6: 1,302,100 km (0.112 R)
• M7: 1,626,727 km (0.093 R)
• M8: 1,974,692 km (0.111 R)
• M9: 2,663,440 km (0.091 R)
• M10: 2,917,308 km (0.113 R)
• M11: 4,053,055 km (0.115 R)
• M12: 4,416,728 km (0.051 R)
• M13: 5,205,557 km (0.103 R)
• M14: 5,632,061 km (0.061 R)
• M15: 5,988,403 km (0.099 R)
• M16: 6,222,374 km (0.06 R)
• M17: 6,506,161 km (0.077 R)
• M18: 7,156,313 km (0.103 R)
• M19: 8,884,318 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.9

Radius: 9.8

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.44 AU - 2.07 AU

Year: 1570 Days

Day: 6.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,521,276 km

• M1: 122,371 km (0.064 R)
• M2: 311,164 km (0.104 R)
• M3: 558,150 km (0.115 R)
• M4: 920,326 km (0.076 R)
• M5: 1,280,109 km (0.037 R)
• M6: 1,471,295 km (0.077 R)
• M7: 1,981,573 km (0.073 R)
• M8: 2,255,936 km (0.116 R)
• M9: 2,610,034 km (0.099 R)
• M10: 2,899,955 km (0.113 R)
• M11: 3,246,872 km (0.1 R)
• M12: 3,484,733 km (0.118 R)
• M13: 3,731,420 km (0.113 R)
• M14: 4,974,728 km (0.117 R)
• M15: 6,170,164 km (0.097 R)
• M16: 6,558,371 km (0.1 R)
• M17: 6,897,958 km (0.075 R)
• M18: 7,101,710 km (0.028 R)
• M19: 7,287,660 km (0.036 R)
• M20: 7,539,433 km (0.078 R)
• M21: 7,860,321 km (0.108 R)
• M22: 8,121,818 km (0.081 R)
• M23: 9,447,405 km (0.037 R)
• M24: 10,222,172 km (0.08 R)
• M25: 10,570,885 km (0.031 R)
• M26: 10,823,556 km (0.087 R)
• M27: 11,260,082 km (0.084 R)
• M28: 11,520,831 km (0.1 R)
• M29: 11,837,829 km (0.111 R)
• M30: 12,787,327 km (0.1 R)
• M31: 13,149,354 km (0.045 R)
• M32: 13,773,626 km (0.114 R)
• M33: 14,383,237 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.9

Radius: 11.9

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.89 AU - 3.03 AU

Year: 2617 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,521,276 km

• M1: 147,952 km (0.089 R)
• M2: 490,382 km (0.095 R)
• M3: 957,726 km (0.066 R)
• M4: 1,565,093 km (0.117 R)
• M5: 1,846,786 km (0.107 R)
• M6: 2,281,816 km (0.101 R)
• M7: 2,561,564 km (0.047 R)
• M8: 2,792,543 km (0.116 R)
• M9: 3,243,282 km (0.083 R)
• M10: 3,790,960 km (0.051 R)
• M11: 4,251,422 km (0.097 R)
• M12: 4,636,038 km (0.113 R)
• M13: 5,531,531 km (0.071 R)
• M14: 5,796,917 km (0.051 R)
• M15: 6,528,900 km (0.092 R)
• M16: 7,027,510 km (0.113 R)
• M17: 8,356,238 km (0.117 R)
• M18: 10,080,054 km (0.083 R)
• M19: 10,910,622 km (0.119 R)
• M20: 12,359,626 km (0.112 R)
• M21: 12,643,264 km (0.036 R)
• M22: 13,074,854 km (0.098 R)
• M23: 13,989,944 km (0.031 R)
• M24: 14,874,367 km (0.11 R)
• M25: 15,279,777 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.3

Radius: 13.4

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.57 AU - 3.73 AU

Year: 3792 Days

Day: 7.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,521,276 km

• M1: 166,652 km (0.114 R)
• M2: 547,229 km (0.051 R)
• M3: 805,136 km (0.09 R)
• M4: 1,212,491 km (0.117 R)
• M5: 1,520,214 km (0.111 R)
• M6: 2,124,888 km (0.093 R)
• M7: 3,006,169 km (0.087 R)
• M8: 3,530,659 km (0.119 R)
• M9: 3,969,280 km (0.096 R)
• M10: 4,316,048 km (0.103 R)
• M11: 4,837,397 km (0.099 R)
• M12: 5,128,215 km (0.107 R)
• M13: 6,073,075 km (0.058 R)
• M14: 6,566,000 km (0.115 R)
• M15: 6,862,503 km (0.085 R)
• M16: 7,999,896 km (0.111 R)
• M17: 8,422,659 km (0.073 R)
• M18: 10,041,607 km (0.072 R)
• M19: 10,409,169 km (0.047 R)
• M20: 13,111,206 km (0.1 R)
• M21: 14,455,343 km (0.032 R)
• M22: 14,706,817 km (0.037 R)
• M23: 15,312,838 km (0.102 R)
• M24: 15,604,255 km (0.068 R)
• M25: 16,261,887 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.2

Radius: 14.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.05 AU - 5.55 AU

Year: 7133 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,521,276 km

• M1: 321,037 km (0.08 R)
• M2: 701,764 km (0.08 R)
• M3: 1,557,912 km (0.035 R)
• M4: 1,871,170 km (0.085 R)
• M5: 2,216,592 km (0.097 R)
• M6: 2,727,169 km (0.093 R)
• M7: 3,126,895 km (0.107 R)
• M8: 3,489,670 km (0.1 R)
• M9: 3,827,162 km (0.05 R)
• M10: 4,205,346 km (0.056 R)
• M11: 4,526,233 km (0.116 R)
• M12: 6,436,299 km (0.03 R)
• M13: 6,960,191 km (0.104 R)
• M14: 7,936,167 km (0.096 R)
• M15: 9,523,251 km (0.094 R)
• M16: 10,859,758 km (0.092 R)
• M17: 11,298,230 km (0.095 R)
• M18: 11,910,384 km (0.07 R)
• M19: 12,369,799 km (0.054 R)
• M20: 12,967,143 km (0.104 R)
• M21: 13,534,718 km (0.095 R)
• M22: 15,405,290 km (0.086 R)
• M23: 16,655,180 km (0.115 R)
• M24: 19,567,701 km (0.07 R)
• M25: 20,755,209 km (0.084 R)
• M26: 21,362,127 km (0.054 R)
• M27: 23,352,228 km (0.067 R)
• M28: 26,226,751 km (0.036 R)
• M29: 27,663,638 km (0.116 R)
• M30: 28,172,570 km (0.111 R)
• M31: 29,465,096 km (0.118 R)
• M32: 30,853,663 km (0.097 R)
• M33: 32,274,394 km (0.075 R)
• M34: 33,867,312 km (0.026 R)
• M35: 35,427,169 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.9

Radius: 3.9

Gravity: 38.78 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.19 AU - 10.67 AU

Year: 19641 Days

Day: 20.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,521,276 km

• M1: 77,043 km (0.068 R)
• M2: 264,639 km (0.119 R)
• M3: 369,357 km (0.106 R)
• M4: 851,511 km (0.095 R)
• M5: 2,018,075 km (0.114 R)
• M6: 2,442,036 km (0.087 R)
• M7: 2,710,863 km (0.08 R)
• M8: 2,993,753 km (0.067 R)
• M9: 3,928,739 km (0.06 R)
• M10: 5,258,814 km (0.086 R)
• M11: 9,622,733 km (0.119 R)
• M12: 12,357,831 km (0.109 R)
• M13: 13,019,054 km (0.118 R)
• M14: 14,650,718 km (0.04 R)
• M15: 15,303,862 km (0.068 R)
• M16: 17,631,904 km (0.087 R)
• M17: 19,226,318 km (0.056 R)
• M18: 21,747,641 km (0.061 R)
• M19: 23,515,140 km (0.037 R)
• M20: 28,596,381 km (0.084 R)
• M21: 32,613,233 km (0.107 R)
• M22: 32,806,514 km (0.113 R)
• M23: 35,976,493 km (0.099 R)
• M24: 38,136,387 km (0.115 R)
• M25: 39,187,013 km (0.074 R)
• M26: 42,534,863 km (0.106 R)
• M27: 42,645,117 km (0.109 R)
• M28: 47,057,656 km (0.067 R)
• M29: 47,406,069 km (0.119 R)
• M30: 48,341,505 km (0.107 R)
• M31: 49,404,846 km (0.09 R)
• M32: 54,894,939 km (0.051 R)
• M33: 55,020,302 km (0.076 R)
• M34: 57,044,361 km (0.106 R)
• M35: 60,806,299 km (0.105 R)
• M36: 70,808,263 km (0.088 R)
• M37: 71,093,097 km (0.091 R)
• M38: 71,521,246 km (0.086 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: 234 - 14,379 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit