🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.88 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.68 AU - 3.84 AU

Year: 2807 Days

Day: 18.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 8

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.79 AU - 5.27 AU

Year: 3712 Days

Day: 10.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,224,292 km

• M1: 102,624 km (0.075 R)
• M2: 414,536 km (0.052 R)
• M3: 747,840 km (0.104 R)
• M4: 1,316,611 km (0.114 R)
• M5: 1,797,119 km (0.088 R)
• M6: 2,160,792 km (0.092 R)
• M7: 2,526,409 km (0.098 R)
• M8: 2,798,079 km (0.094 R)
• M9: 3,673,376 km (0.082 R)
• M10: 5,312,220 km (0.099 R)
• M11: 5,842,844 km (0.07 R)
• M12: 6,177,943 km (0.041 R)
• M13: 6,525,758 km (0.12 R)
• M14: 7,165,888 km (0.106 R)
• M15: 8,570,911 km (0.071 R)
• M16: 9,003,997 km (0.097 R)
• M17: 9,642,480 km (0.076 R)
• M18: 11,221,037 km (0.042 R)
• M19: 11,564,963 km (0.069 R)
• M20: 13,105,970 km (0.103 R)
• M21: 14,173,052 km (0.115 R)
• M22: 16,479,402 km (0.118 R)
• M23: 17,036,505 km (0.114 R)
• M24: 18,012,332 km (0.081 R)
• M25: 18,603,393 km (0.076 R)
• M26: 19,514,294 km (0.112 R)
• M27: 19,824,411 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.6

Radius: 11.5

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.98 AU - 7.2 AU

Year: 5786 Days

Day: 5.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,224,292 km

• M1: 143,165 km (0.12 R)
• M2: 580,739 km (0.088 R)
• M3: 943,215 km (0.106 R)
• M4: 1,614,011 km (0.098 R)
• M5: 2,080,757 km (0.098 R)
• M6: 2,564,706 km (0.118 R)
• M7: 4,510,974 km (0.102 R)
• M8: 4,950,194 km (0.106 R)
• M9: 5,979,427 km (0.098 R)
• M10: 6,682,986 km (0.108 R)
• M11: 7,255,646 km (0.11 R)
• M12: 8,830,912 km (0.1 R)
• M13: 10,200,331 km (0.087 R)
• M14: 10,863,349 km (0.104 R)
• M15: 14,974,896 km (0.065 R)
• M16: 15,521,976 km (0.095 R)
• M17: 19,372,924 km (0.103 R)
• M18: 22,059,403 km (0.114 R)
• M19: 25,668,900 km (0.085 R)
• M20: 27,432,809 km (0.118 R)
• M21: 28,621,813 km (0.078 R)
• M22: 29,940,368 km (0.062 R)
• M23: 31,496,336 km (0.115 R)
• M24: 35,728,908 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.4

Radius: 8.8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.03 AU - 9.55 AU

Year: 8371 Days

Day: 5.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,224,292 km

• M1: 109,506 km (0.092 R)
• M2: 385,663 km (0.097 R)
• M3: 983,307 km (0.103 R)
• M4: 1,359,695 km (0.101 R)
• M5: 1,686,118 km (0.061 R)
• M6: 2,556,029 km (0.104 R)
• M7: 4,620,330 km (0.068 R)
• M8: 7,176,509 km (0.116 R)
• M9: 7,645,798 km (0.093 R)
• M10: 9,451,145 km (0.095 R)
• M11: 11,107,492 km (0.119 R)
• M12: 13,352,059 km (0.03 R)
• M13: 13,704,212 km (0.114 R)
• M14: 14,611,523 km (0.119 R)
• M15: 15,558,478 km (0.109 R)
• M16: 16,278,343 km (0.034 R)
• M17: 19,158,551 km (0.09 R)
• M18: 20,601,871 km (0.103 R)
• M19: 23,363,298 km (0.099 R)
• M20: 24,832,499 km (0.033 R)
• M21: 25,905,863 km (0.096 R)
• M22: 27,953,858 km (0.051 R)
• M23: 29,807,376 km (0.114 R)
• M24: 30,409,358 km (0.099 R)
• M25: 32,686,088 km (0.111 R)
• M26: 33,218,955 km (0.066 R)
• M27: 35,408,470 km (0.101 R)
• M28: 35,970,509 km (0.101 R)
• M29: 36,652,974 km (0.07 R)
• M30: 40,438,548 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.2

Radius: 12.5

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.67 AU - 9.21 AU

Year: 8614 Days

Day: 13.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,224,292 km

• M1: 155,432 km (0.102 R)
• M2: 578,944 km (0.037 R)
• M3: 989,740 km (0.049 R)
• M4: 1,994,738 km (0.101 R)
• M5: 2,524,165 km (0.093 R)
• M6: 4,298,545 km (0.065 R)
• M7: 4,849,664 km (0.093 R)
• M8: 5,884,582 km (0.114 R)
• M9: 6,308,841 km (0.115 R)
• M10: 9,394,746 km (0.093 R)
• M11: 10,175,198 km (0.053 R)
• M12: 12,089,154 km (0.116 R)
• M13: 13,370,908 km (0.117 R)
• M14: 15,660,803 km (0.077 R)
• M15: 18,127,073 km (0.097 R)
• M16: 18,574,371 km (0.061 R)
• M17: 19,259,379 km (0.107 R)
• M18: 20,119,268 km (0.091 R)
• M19: 21,498,411 km (0.052 R)
• M20: 23,906,039 km (0.071 R)
• M21: 28,044,365 km (0.076 R)
• M22: 31,231,547 km (0.094 R)
• M23: 31,875,267 km (0.113 R)
• M24: 36,513,100 km (0.117 R)
• M25: 39,927,223 km (0.086 R)
• M26: 42,886,269 km (0.117 R)
• M27: 43,282,853 km (0.05 R)
• M28: 43,681,681 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.3

Radius: 3

Gravity: 103.48 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 9.72 AU - 16.12 AU

Year: 17880 Days

Day: 15 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,224,292 km

• M1: 45,478 km (0.097 R)
• M2: 290,818 km (0.109 R)
• M3: 608,115 km (0.113 R)
• M4: 792,869 km (0.086 R)
• M5: 1,013,675 km (0.093 R)
• M6: 2,044,554 km (0.111 R)
• M7: 2,255,637 km (0.084 R)
• M8: 2,647,733 km (0.118 R)
• M9: 3,965,690 km (0.114 R)
• M10: 4,604,323 km (0.11 R)
• M11: 4,747,040 km (0.082 R)
• M12: 5,308,630 km (0.093 R)
• M13: 8,000,494 km (0.096 R)
• M14: 17,784,195 km (0.05 R)
• M15: 18,581,402 km (0.084 R)
• M16: 22,823,698 km (0.047 R)
• M17: 24,948,586 km (0.104 R)
• M18: 25,058,242 km (0.116 R)
• M19: 28,258,439 km (0.106 R)
• M20: 30,956,138 km (0.111 R)
• M21: 31,592,228 km (0.08 R)
• M22: 39,471,548 km (0.095 R)
• M23: 39,620,398 km (0.098 R)
• M24: 40,672,519 km (0.118 R)
• M25: 42,989,641 km (0.04 R)
• M26: 44,905,391 km (0.096 R)
• M27: 45,884,360 km (0.12 R)
• M28: 69,428,521 km (0.084 R)
• M29: 73,626,238 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 18,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit