🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.3

Radius: 9.5

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.51 AU - 0.81 AU

Year: 370 Days

Day: 8 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,249,047 km

• M1: 118,182 km (0.113 R)
• M2: 550,221 km (0.1 R)
• M3: 965,355 km (0.104 R)
• M4: 1,272,180 km (0.067 R)
• M5: 1,618,948 km (0.066 R)
• M6: 2,147,926 km (0.059 R)
• M7: 2,480,333 km (0.081 R)
• M8: 3,101,313 km (0.106 R)
• M9: 3,517,046 km (0.072 R)
• M10: 3,822,674 km (0.115 R)
• M11: 4,249,178 km (0.105 R)
• M12: 4,555,554 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.3

Radius: 11.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.76 AU - 1 AU

Year: 570 Days

Day: 13.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,249,047 km

• M1: 145,559 km (0.101 R)
• M2: 526,585 km (0.08 R)
• M3: 915,240 km (0.033 R)
• M4: 1,414,149 km (0.086 R)
• M5: 1,949,709 km (0.108 R)
• M6: 2,704,879 km (0.104 R)
• M7: 3,144,697 km (0.099 R)
• M8: 3,741,144 km (0.087 R)
• M9: 4,727,891 km (0.057 R)
• M10: 5,335,109 km (0.107 R)
• M11: 5,786,894 km (0.089 R)
• M12: 6,624,044 km (0.056 R)
• M13: 7,125,347 km (0.09 R)
• M14: 7,495,751 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.8

Radius: 9.2

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.03 AU - 1.23 AU

Year: 829 Days

Day: 8.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,249,047 km

• M1: 114,442 km (0.09 R)
• M2: 442,361 km (0.065 R)
• M3: 909,405 km (0.098 R)
• M4: 1,224,758 km (0.1 R)
• M5: 1,961,527 km (0.089 R)
• M6: 2,554,982 km (0.047 R)
• M7: 2,845,651 km (0.087 R)
• M8: 3,276,792 km (0.094 R)
• M9: 7,132,078 km (0.119 R)
• M10: 7,785,223 km (0.115 R)
• M11: 8,631,348 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 13.4

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.99 AU - 3.97 AU

Year: 4481 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,249,047 km

• M1: 166,652 km (0.101 R)
• M2: 652,396 km (0.111 R)
• M3: 1,076,357 km (0.106 R)
• M4: 1,587,981 km (0.118 R)
• M5: 2,495,143 km (0.1 R)
• M6: 3,010,956 km (0.095 R)
• M7: 3,681,604 km (0.112 R)
• M8: 6,974,103 km (0.032 R)
• M9: 9,299,004 km (0.115 R)
• M10: 10,550,240 km (0.115 R)
• M11: 13,334,556 km (0.057 R)
• M12: 14,978,786 km (0.057 R)
• M13: 20,042,076 km (0.089 R)
• M14: 22,410,808 km (0.04 R)
• M15: 25,905,115 km (0.047 R)
• M16: 26,629,019 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.6

Radius: 11.8

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.41 AU - 5.97 AU

Year: 8161 Days

Day: 8 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,249,047 km

• M1: 183,557 km (0.062 R)
• M2: 1,041,500 km (0.119 R)
• M3: 1,567,636 km (0.109 R)
• M4: 2,499,032 km (0.086 R)
• M5: 4,399,374 km (0.089 R)
• M6: 5,174,441 km (0.1 R)
• M7: 6,261,718 km (0.118 R)
• M8: 8,392,141 km (0.107 R)
• M9: 10,762,220 km (0.116 R)
• M10: 11,815,988 km (0.096 R)
• M11: 15,863,508 km (0.093 R)
• M12: 21,200,861 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.1

Radius: 7.4

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.74 AU - 7.34 AU

Year: 10246 Days

Day: 23.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,249,047 km

• M1: 93,499 km (0.108 R)
• M2: 330,163 km (0.077 R)
• M3: 783,594 km (0.077 R)
• M4: 1,126,023 km (0.117 R)
• M5: 1,416,393 km (0.116 R)
• M6: 1,756,728 km (0.097 R)
• M7: 2,313,381 km (0.084 R)
• M8: 2,663,440 km (0.108 R)
• M9: 3,185,088 km (0.094 R)
• M10: 4,666,107 km (0.111 R)
• M11: 4,909,952 km (0.117 R)
• M12: 5,194,487 km (0.045 R)
• M13: 5,557,262 km (0.101 R)
• M14: 7,341,815 km (0.103 R)
• M15: 7,588,950 km (0.054 R)
• M16: 7,927,042 km (0.026 R)
• M17: 9,477,773 km (0.119 R)
• M18: 10,324,497 km (0.067 R)
• M19: 12,110,546 km (0.108 R)
• M20: 14,411,511 km (0.047 R)
• M21: 14,734,493 km (0.114 R)
• M22: 16,422,405 km (0.092 R)
• M23: 16,917,275 km (0.075 R)
• M24: 17,862,584 km (0.078 R)
• M25: 23,565,853 km (0.08 R)
• M26: 24,836,089 km (0.025 R)
• M27: 27,809,945 km (0.097 R)
• M28: 37,044,921 km (0.119 R)
• M29: 37,529,468 km (0.081 R)
• M30: 38,018,354 km (0.065 R)
• M31: 44,220,233 km (0.09 R)
• M32: 45,177,510 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.9

Radius: 6.5

Gravity: 21.84 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.38 AU - 8.82 AU

Year: 13059 Days

Day: 24.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,249,047 km

• M1: 80,783 km (0.093 R)
• M2: 298,298 km (0.079 R)
• M3: 665,860 km (0.093 R)
• M4: 1,165,667 km (0.079 R)
• M5: 1,653,505 km (0.109 R)
• M6: 1,926,521 km (0.112 R)
• M7: 3,102,361 km (0.062 R)
• M8: 8,809,968 km (0.049 R)
• M9: 9,273,871 km (0.116 R)
• M10: 10,194,197 km (0.104 R)
• M11: 21,840,541 km (0.081 R)
• M12: 30,637,644 km (0.115 R)
• M13: 34,402,574 km (0.113 R)
• M14: 36,199,543 km (0.112 R)
• M15: 39,840,307 km (0.081 R)
• M16: 42,109,108 km (0.038 R)
• M17: 42,543,839 km (0.078 R)
• M18: 42,981,563 km (0.107 R)
• M19: 44,312,984 km (0.085 R)
• M20: 45,977,110 km (0.065 R)
• M21: 47,213,387 km (0.12 R)
• M22: 48,471,505 km (0.075 R)
• M23: 50,075,494 km (0.119 R)
• M24: 52,714,998 km (0.106 R)
• M25: 55,793,573 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 14,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit