🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 13

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.8 AU - 0.98 AU

Year: 569 Days

Day: 10.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,288,235 km

• M1: 161,715 km (0.111 R)
• M2: 580,290 km (0.068 R)
• M3: 1,173,446 km (0.105 R)
• M4: 1,693,298 km (0.114 R)
• M5: 2,121,447 km (0.064 R)
• M6: 2,569,942 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 13.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.74 AU - 1.06 AU

Year: 579 Days

Day: 12.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,288,235 km

• M1: 170,392 km (0.116 R)
• M2: 637,586 km (0.106 R)
• M3: 1,541,008 km (0.092 R)
• M4: 2,346,742 km (0.093 R)
• M5: 2,904,592 km (0.081 R)
• M6: 3,445,089 km (0.096 R)
• M7: 4,290,766 km (0.072 R)
• M8: 4,962,012 km (0.116 R)
• M9: 6,576,472 km (0.108 R)
• M10: 7,035,438 km (0.118 R)
• M11: 7,764,129 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 13.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.9 AU - 0.92 AU

Year: 589 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,288,235 km

• M1: 170,392 km (0.086 R)
• M2: 601,982 km (0.089 R)
• M3: 1,179,579 km (0.073 R)
• M4: 1,902,137 km (0.043 R)
• M5: 2,356,316 km (0.099 R)
• M6: 3,024,570 km (0.099 R)
• M7: 3,516,148 km (0.108 R)
• M8: 4,075,794 km (0.115 R)
• M9: 5,447,307 km (0.11 R)
• M10: 6,259,325 km (0.117 R)
• M11: 7,867,502 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.5

Radius: 8.2

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.44 AU - 1.98 AU

Year: 1517 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,288,235 km

• M1: 103,372 km (0.094 R)
• M2: 462,108 km (0.071 R)
• M3: 983,307 km (0.081 R)
• M4: 1,445,265 km (0.103 R)
• M5: 1,727,107 km (0.065 R)
• M6: 2,202,380 km (0.086 R)
• M7: 2,465,074 km (0.107 R)
• M8: 2,969,069 km (0.106 R)
• M9: 3,460,797 km (0.088 R)
• M10: 3,919,763 km (0.085 R)
• M11: 4,344,921 km (0.116 R)
• M12: 5,245,799 km (0.045 R)
• M13: 6,079,508 km (0.061 R)
• M14: 7,412,574 km (0.113 R)
• M15: 8,289,068 km (0.099 R)
• M16: 8,664,110 km (0.106 R)
• M17: 9,324,734 km (0.073 R)
• M18: 10,148,420 km (0.06 R)
• M19: 11,579,922 km (0.085 R)
• M20: 11,939,705 km (0.071 R)
• M21: 12,195,966 km (0.101 R)
• M22: 12,643,862 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 12.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.83 AU - 2.31 AU

Year: 2020 Days

Day: 5 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,288,235 km

• M1: 153,039 km (0.113 R)
• M2: 608,714 km (0.115 R)
• M3: 1,043,146 km (0.088 R)
• M4: 1,802,206 km (0.059 R)
• M5: 2,450,862 km (0.072 R)
• M6: 2,917,308 km (0.096 R)
• M7: 3,694,768 km (0.11 R)
• M8: 5,061,195 km (0.083 R)
• M9: 5,707,308 km (0.067 R)
• M10: 6,871,030 km (0.107 R)
• M11: 7,778,491 km (0.03 R)
• M12: 9,335,954 km (0.1 R)
• M13: 10,803,061 km (0.105 R)
• M14: 11,275,640 km (0.095 R)
• M15: 11,799,831 km (0.117 R)
• M16: 12,223,044 km (0.097 R)
• M17: 13,806,088 km (0.065 R)
• M18: 14,363,041 km (0.091 R)
• M19: 14,801,513 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 14.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.32 AU - 2.36 AU

Year: 2428 Days

Day: 13.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,288,235 km

• M1: 182,061 km (0.102 R)
• M2: 762,650 km (0.061 R)
• M3: 1,235,080 km (0.029 R)
• M4: 1,994,738 km (0.06 R)
• M5: 2,708,619 km (0.066 R)
• M6: 3,253,006 km (0.063 R)
• M7: 4,228,533 km (0.106 R)
• M8: 5,318,803 km (0.078 R)
• M9: 5,917,793 km (0.065 R)
• M10: 7,492,310 km (0.06 R)
• M11: 8,117,779 km (0.059 R)
• M12: 9,509,338 km (0.091 R)
• M13: 12,718,512 km (0.098 R)
• M14: 13,701,819 km (0.093 R)
• M15: 15,669,330 km (0.057 R)
• M16: 16,694,674 km (0.115 R)
• M17: 17,384,918 km (0.049 R)
• M18: 18,371,965 km (0.099 R)
• M19: 19,512,050 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 9.1

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.65 AU - 3.87 AU

Year: 4945 Days

Day: 13.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,288,235 km

• M1: 113,395 km (0.066 R)
• M2: 447,746 km (0.044 R)
• M3: 737,069 km (0.069 R)
• M4: 1,167,611 km (0.115 R)
• M5: 2,443,083 km (0.113 R)
• M6: 2,863,602 km (0.1 R)
• M7: 3,190,324 km (0.078 R)
• M8: 3,499,094 km (0.115 R)
• M9: 3,828,060 km (0.076 R)
• M10: 4,497,660 km (0.048 R)
• M11: 5,131,805 km (0.117 R)
• M12: 5,645,674 km (0.11 R)
• M13: 8,666,653 km (0.076 R)
• M14: 9,107,668 km (0.093 R)
• M15: 10,034,576 km (0.108 R)
• M16: 10,565,948 km (0.094 R)
• M17: 13,036,258 km (0.106 R)
• M18: 14,102,292 km (0.068 R)
• M19: 14,433,053 km (0.11 R)
• M20: 21,025,382 km (0.1 R)
• M21: 21,385,165 km (0.049 R)
• M22: 21,822,290 km (0.099 R)
• M23: 23,941,194 km (0.075 R)
• M24: 25,617,887 km (0.09 R)
• M25: 26,862,542 km (0.106 R)
• M26: 27,542,614 km (0.027 R)
• M27: 28,672,077 km (0.046 R)
• M28: 29,114,588 km (0.109 R)
• M29: 29,741,702 km (0.118 R)
• M30: 30,837,955 km (0.028 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.3

Radius: 9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.57 AU - 5.45 AU

Year: 7606 Days

Day: 10.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,288,235 km

• M1: 114,592 km (0.059 R)
• M2: 402,867 km (0.054 R)
• M3: 783,145 km (0.107 R)
• M4: 1,338,602 km (0.087 R)
• M5: 1,662,332 km (0.111 R)
• M6: 2,718,941 km (0.1 R)
• M7: 3,001,083 km (0.04 R)
• M8: 3,303,121 km (0.086 R)
• M9: 3,946,392 km (0.088 R)
• M10: 4,846,373 km (0.084 R)
• M11: 7,792,254 km (0.107 R)
• M12: 9,123,077 km (0.025 R)
• M13: 11,169,725 km (0.051 R)
• M14: 13,760,162 km (0.041 R)
• M15: 14,813,630 km (0.079 R)
• M16: 15,638,213 km (0.027 R)
• M17: 16,147,594 km (0.111 R)
• M18: 16,843,823 km (0.119 R)
• M19: 17,259,256 km (0.119 R)
• M20: 19,245,467 km (0.095 R)
• M21: 21,796,410 km (0.072 R)
• M22: 23,298,672 km (0.047 R)
• M23: 25,875,644 km (0.114 R)
• M24: 26,668,364 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.4

Radius: 4.8

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.07 AU - 8.67 AU

Year: 16424 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,288,235 km

• M1: 61,335 km (0.077 R)
• M2: 418,276 km (0.086 R)
• M3: 2,278,525 km (0.113 R)
• M4: 3,620,119 km (0.099 R)
• M5: 4,302,435 km (0.071 R)
• M6: 8,455,272 km (0.063 R)
• M7: 10,034,277 km (0.099 R)
• M8: 10,686,823 km (0.042 R)
• M9: 15,142,296 km (0.11 R)
• M10: 15,599,916 km (0.109 R)
• M11: 21,668,055 km (0.11 R)
• M12: 22,840,453 km (0.069 R)
• M13: 23,790,699 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.1

Radius: 7.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.05 AU - 11.41 AU

Year: 20585 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,288,235 km

• M1: 237,861 km (0.075 R)
• M2: 1,400,984 km (0.109 R)
• M3: 2,964,132 km (0.097 R)
• M4: 3,322,419 km (0.047 R)
• M5: 6,762,123 km (0.088 R)
• M6: 10,589,884 km (0.086 R)
• M7: 14,441,131 km (0.112 R)
• M8: 17,005,239 km (0.04 R)
• M9: 25,438,968 km (0.109 R)
• M10: 31,781,619 km (0.099 R)
• M11: 33,517,403 km (0.034 R)
• M12: 35,315,420 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 12,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit