🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.8

Radius: 10

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.03 AU - 1.67 AU

Year: 1046 Days

Day: 12.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,299,700 km

• M1: 124,615 km (0.066 R)
• M2: 603,627 km (0.106 R)
• M3: 972,685 km (0.057 R)
• M4: 1,390,512 km (0.104 R)
• M5: 1,719,029 km (0.058 R)
• M6: 2,048,144 km (0.102 R)
• M7: 2,525,212 km (0.106 R)
• M8: 3,075,283 km (0.099 R)
• M9: 3,829,556 km (0.111 R)
• M10: 4,276,405 km (0.088 R)
• M11: 5,557,710 km (0.032 R)
• M12: 6,000,969 km (0.084 R)
• M13: 6,698,245 km (0.072 R)
• M14: 7,574,739 km (0.093 R)
• M15: 8,307,918 km (0.092 R)
• M16: 9,495,575 km (0.101 R)
• M17: 10,568,790 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.8

Radius: 14.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.03 AU - 1.69 AU

Year: 1058 Days

Day: 9.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,299,700 km

• M1: 179,069 km (0.053 R)
• M2: 795,113 km (0.106 R)
• M3: 1,288,187 km (0.101 R)
• M4: 1,768,696 km (0.095 R)
• M5: 2,280,320 km (0.094 R)
• M6: 3,412,776 km (0.111 R)
• M7: 3,865,160 km (0.036 R)
• M8: 4,482,999 km (0.098 R)
• M9: 4,950,493 km (0.079 R)
• M10: 6,140,095 km (0.101 R)
• M11: 6,742,825 km (0.069 R)
• M12: 7,720,896 km (0.074 R)
• M13: 9,959,029 km (0.069 R)
• M14: 11,777,990 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.7

Radius: 11.4

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.36 AU - 1.8 AU

Year: 1324 Days

Day: 11.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,299,700 km

• M1: 141,819 km (0.12 R)
• M2: 550,520 km (0.09 R)
• M3: 949,348 km (0.102 R)
• M4: 1,385,426 km (0.065 R)
• M5: 1,743,114 km (0.054 R)
• M6: 2,232,299 km (0.09 R)
• M7: 2,922,843 km (0.047 R)
• M8: 3,288,311 km (0.066 R)
• M9: 4,256,658 km (0.09 R)
• M10: 4,927,305 km (0.043 R)
• M11: 5,869,173 km (0.051 R)
• M12: 6,626,587 km (0.106 R)
• M13: 7,828,157 km (0.117 R)
• M14: 9,607,026 km (0.07 R)
• M15: 11,283,719 km (0.107 R)
• M16: 13,069,169 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.7

Radius: 12.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.72 AU - 2.68 AU

Year: 2176 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,299,700 km

• M1: 159,172 km (0.115 R)
• M2: 776,413 km (0.104 R)
• M3: 1,202,767 km (0.117 R)
• M4: 1,622,090 km (0.111 R)
• M5: 2,203,876 km (0.068 R)
• M6: 2,769,954 km (0.071 R)
• M7: 3,178,207 km (0.098 R)
• M8: 4,546,878 km (0.117 R)
• M9: 5,915,249 km (0.097 R)
• M10: 6,383,192 km (0.091 R)
• M11: 7,160,352 km (0.087 R)
• M12: 8,283,085 km (0.064 R)
• M13: 9,037,955 km (0.091 R)
• M14: 9,982,367 km (0.057 R)
• M15: 11,224,478 km (0.074 R)
• M16: 11,700,947 km (0.108 R)
• M17: 12,190,880 km (0.086 R)
• M18: 13,833,315 km (0.082 R)
• M19: 15,914,371 km (0.105 R)
• M20: 16,465,639 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.7

Radius: 3.7

Gravity: 67.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.43 AU - 6.13 AU

Year: 9267 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,299,700 km

• M1: 54,902 km (0.114 R)
• M2: 218,862 km (0.116 R)
• M3: 510,877 km (0.037 R)
• M4: 648,806 km (0.088 R)
• M5: 908,059 km (0.041 R)
• M6: 1,136,196 km (0.047 R)
• M7: 1,675,496 km (0.074 R)
• M8: 2,018,973 km (0.115 R)
• M9: 2,329,987 km (0.113 R)
• M10: 2,933,016 km (0.066 R)
• M11: 3,405,296 km (0.102 R)
• M12: 4,868,513 km (0.12 R)
• M13: 5,562,797 km (0.089 R)
• M14: 5,737,378 km (0.094 R)
• M15: 5,951,602 km (0.064 R)
• M16: 6,134,261 km (0.071 R)
• M17: 6,665,632 km (0.086 R)
• M18: 9,840,099 km (0.062 R)
• M19: 10,044,151 km (0.079 R)
• M20: 10,834,476 km (0.066 R)
• M21: 15,075,875 km (0.093 R)
• M22: 15,969,274 km (0.088 R)
• M23: 18,703,923 km (0.094 R)
• M24: 19,095,869 km (0.08 R)
• M25: 27,621,900 km (0.114 R)
• M26: 28,027,909 km (0.115 R)
• M27: 31,200,730 km (0.079 R)
• M28: 32,760,139 km (0.111 R)
• M29: 35,433,303 km (0.057 R)
• M30: 36,274,940 km (0.103 R)
• M31: 36,761,732 km (0.073 R)
• M32: 36,884,103 km (0.073 R)
• M33: 37,624,164 km (0.109 R)
• M34: 39,261,363 km (0.113 R)
• M35: 43,356,006 km (0.09 R)
• M36: 45,859,377 km (0.109 R)
• M37: 49,942,352 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.2

Radius: 7.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.17 AU - 6.95 AU

Year: 9948 Days

Day: 24.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,299,700 km

• M1: 317,596 km (0.114 R)
• M2: 974,481 km (0.057 R)
• M3: 1,270,684 km (0.118 R)
• M4: 1,562,849 km (0.094 R)
• M5: 2,124,290 km (0.083 R)
• M6: 4,730,584 km (0.091 R)
• M7: 6,612,525 km (0.107 R)
• M8: 8,456,020 km (0.088 R)
• M9: 10,068,535 km (0.111 R)
• M10: 11,976,656 km (0.072 R)
• M11: 14,283,605 km (0.117 R)
• M12: 19,474,501 km (0.103 R)
• M13: 21,055,152 km (0.081 R)
• M14: 23,663,541 km (0.1 R)
• M15: 27,701,487 km (0.073 R)
• M16: 29,789,574 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.9

Radius: 4.3

Gravity: 43.1 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.37 AU - 10.59 AU

Year: 16467 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,299,700 km

• M1: 59,091 km (0.095 R)
• M2: 238,160 km (0.1 R)
• M3: 429,944 km (0.098 R)
• M4: 598,691 km (0.066 R)
• M5: 781,200 km (0.085 R)
• M6: 1,073,963 km (0.093 R)
• M7: 1,231,938 km (0.102 R)
• M8: 1,749,098 km (0.087 R)
• M9: 2,105,889 km (0.091 R)
• M10: 2,269,998 km (0.057 R)
• M11: 2,888,136 km (0.093 R)
• M12: 3,143,350 km (0.115 R)
• M13: 6,802,215 km (0.111 R)
• M14: 10,045,048 km (0.062 R)
• M15: 12,323,873 km (0.032 R)
• M16: 13,477,721 km (0.087 R)
• M17: 14,116,953 km (0.087 R)
• M18: 16,155,373 km (0.069 R)
• M19: 19,703,236 km (0.112 R)
• M20: 23,029,844 km (0.07 R)
• M21: 30,647,069 km (0.045 R)
• M22: 31,379,350 km (0.099 R)
• M23: 35,750,450 km (0.116 R)
• M24: 36,561,720 km (0.105 R)
• M25: 37,385,256 km (0.051 R)
• M26: 39,211,696 km (0.058 R)
• M27: 39,354,562 km (0.107 R)
• M28: 40,802,819 km (0.117 R)
• M29: 44,422,938 km (0.04 R)
• M30: 44,733,952 km (0.084 R)
• M31: 51,605,132 km (0.103 R)
• M32: 55,830,524 km (0.104 R)
• M33: 57,288,804 km (0.112 R)
• M34: 58,959,214 km (0.108 R)
• M35: 66,574,344 km (0.071 R)
• M36: 70,089,146 km (0.051 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: 405 - 11,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit