🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.5

Radius: 10.7

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 12.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,302,929 km

• M1: 133,142 km (0.096 R)
• M2: 542,442 km (0.102 R)
• M3: 908,358 km (0.096 R)
• M4: 1,306,887 km (0.105 R)
• M5: 1,671,457 km (0.115 R)
• M6: 2,026,303 km (0.099 R)
• M7: 2,620,805 km (0.08 R)
• M8: 3,133,028 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.9

Radius: 9.2

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.62 AU - 1.02 AU

Year: 495 Days

Day: 10.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,302,929 km

• M1: 114,442 km (0.093 R)
• M2: 443,258 km (0.1 R)
• M3: 869,612 km (0.027 R)
• M4: 1,181,225 km (0.094 R)
• M5: 1,506,151 km (0.084 R)
• M6: 1,931,608 km (0.098 R)
• M7: 2,378,905 km (0.12 R)
• M8: 2,714,603 km (0.083 R)
• M9: 3,093,235 km (0.036 R)
• M10: 3,798,739 km (0.108 R)
• M11: 4,203,850 km (0.065 R)
• M12: 4,548,374 km (0.062 R)
• M13: 4,849,963 km (0.073 R)
• M14: 5,731,693 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.4

Radius: 11.1

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.36 AU - 2.02 AU

Year: 1465 Days

Day: 14 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,302,929 km

• M1: 138,079 km (0.103 R)
• M2: 523,593 km (0.051 R)
• M3: 1,004,699 km (0.069 R)
• M4: 1,635,703 km (0.047 R)
• M5: 2,010,147 km (0.1 R)
• M6: 2,430,217 km (0.087 R)
• M7: 3,388,392 km (0.086 R)
• M8: 4,414,334 km (0.097 R)
• M9: 4,870,757 km (0.1 R)
• M10: 5,337,652 km (0.062 R)
• M11: 5,767,746 km (0.113 R)
• M12: 6,432,559 km (0.114 R)
• M13: 8,053,003 km (0.08 R)
• M14: 8,943,260 km (0.096 R)
• M15: 9,994,035 km (0.058 R)
• M16: 10,783,763 km (0.105 R)
• M17: 11,865,056 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.5

Radius: 11.3

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.25 AU - 2.45 AU

Year: 2402 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,302,929 km

• M1: 140,472 km (0.058 R)
• M2: 696,378 km (0.075 R)
• M3: 1,084,435 km (0.118 R)
• M4: 1,610,720 km (0.1 R)
• M5: 2,342,703 km (0.07 R)
• M6: 2,838,171 km (0.047 R)
• M7: 3,721,995 km (0.11 R)
• M8: 4,545,681 km (0.079 R)
• M9: 6,003,662 km (0.089 R)
• M10: 6,607,140 km (0.119 R)
• M11: 7,337,476 km (0.094 R)
• M12: 8,372,694 km (0.103 R)
• M13: 8,760,601 km (0.107 R)
• M14: 9,296,460 km (0.08 R)
• M15: 10,769,850 km (0.112 R)
• M16: 12,983,300 km (0.092 R)
• M17: 13,372,554 km (0.084 R)
• M18: 14,083,592 km (0.095 R)
• M19: 15,007,658 km (0.076 R)
• M20: 15,873,531 km (0.104 R)
• M21: 16,418,815 km (0.059 R)
• M22: 17,546,933 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.1

Radius: 10.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.04 AU - 2.8 AU

Year: 2510 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,302,929 km

• M1: 130,150 km (0.052 R)
• M2: 457,171 km (0.108 R)
• M3: 824,434 km (0.096 R)
• M4: 2,008,052 km (0.052 R)
• M5: 2,364,843 km (0.042 R)
• M6: 3,265,572 km (0.097 R)
• M7: 3,668,888 km (0.096 R)
• M8: 5,360,840 km (0.08 R)
• M9: 9,564,241 km (0.095 R)
• M10: 10,843,602 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.4

Radius: 11.3

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.07 AU - 3.19 AU

Year: 2844 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,302,929 km

• M1: 140,622 km (0.056 R)
• M2: 514,168 km (0.077 R)
• M3: 1,028,785 km (0.062 R)
• M4: 1,472,342 km (0.105 R)
• M5: 2,136,258 km (0.08 R)
• M6: 2,553,486 km (0.059 R)
• M7: 3,218,748 km (0.095 R)
• M8: 3,770,914 km (0.092 R)
• M9: 5,164,717 km (0.112 R)
• M10: 5,787,792 km (0.095 R)
• M11: 6,173,904 km (0.099 R)
• M12: 6,725,621 km (0.076 R)
• M13: 7,121,756 km (0.095 R)
• M14: 7,761,886 km (0.114 R)
• M15: 8,301,335 km (0.116 R)
• M16: 13,367,318 km (0.098 R)
• M17: 15,731,862 km (0.042 R)
• M18: 16,268,768 km (0.061 R)
• M19: 16,817,942 km (0.09 R)
• M20: 19,199,840 km (0.1 R)
• M21: 20,630,294 km (0.106 R)
• M22: 21,014,910 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.7

Radius: 6

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.51 AU - 6.13 AU

Year: 9363 Days

Day: 19.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,302,929 km

• M1: 83,176 km (0.082 R)
• M2: 327,320 km (0.107 R)
• M3: 618,737 km (0.075 R)
• M4: 946,506 km (0.097 R)
• M5: 1,161,927 km (0.068 R)
• M6: 1,435,691 km (0.071 R)
• M7: 1,722,470 km (0.102 R)
• M8: 1,998,328 km (0.1 R)
• M9: 2,198,341 km (0.072 R)
• M10: 2,430,068 km (0.1 R)
• M11: 8,382,567 km (0.05 R)
• M12: 9,176,034 km (0.104 R)
• M13: 9,544,344 km (0.061 R)
• M14: 9,874,656 km (0.079 R)
• M15: 12,073,595 km (0.058 R)
• M16: 14,149,415 km (0.081 R)
• M17: 15,017,233 km (0.063 R)
• M18: 17,341,086 km (0.095 R)
• M19: 17,975,381 km (0.12 R)
• M20: 19,066,548 km (0.115 R)
• M21: 19,742,132 km (0.067 R)
• M22: 25,281,143 km (0.108 R)
• M23: 28,841,422 km (0.116 R)
• M24: 33,365,112 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.3

Radius: 5.2

Gravity: 30.6 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.03 AU - 7.67 AU

Year: 10671 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,302,929 km

• M1: 65,225 km (0.087 R)
• M2: 516,711 km (0.064 R)
• M3: 886,517 km (0.058 R)
• M4: 2,849,690 km (0.084 R)
• M5: 4,787,730 km (0.066 R)
• M6: 6,328,140 km (0.12 R)
• M7: 7,550,354 km (0.049 R)
• M8: 8,217,112 km (0.113 R)
• M9: 11,392,476 km (0.092 R)
• M10: 12,208,233 km (0.086 R)
• M11: 12,569,512 km (0.051 R)
• M12: 13,187,501 km (0.117 R)
• M13: 14,217,931 km (0.106 R)
• M14: 16,952,580 km (0.108 R)
• M15: 22,345,434 km (0.091 R)
• M16: 23,067,992 km (0.116 R)
• M17: 23,992,806 km (0.08 R)
• M18: 27,425,030 km (0.08 R)
• M19: 30,395,744 km (0.089 R)
• M20: 31,958,444 km (0.101 R)
• M21: 39,395,103 km (0.056 R)
• M22: 46,143,613 km (0.033 R)
• M23: 47,609,373 km (0.081 R)
• M24: 49,865,907 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 18,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit