🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.19 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.8

Radius: 11.9

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.91 AU - 2.83 AU

Year: 2518 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 73 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,282,651 km

• M1: 148,251 km (0.037 R)
• M2: 870,959 km (0.103 R)
• M3: 1,889,272 km (0.093 R)
• M4: 2,269,400 km (0.05 R)
• M5: 2,841,163 km (0.072 R)
• M6: 3,327,206 km (0.109 R)
• M7: 4,403,114 km (0.116 R)
• M8: 5,420,529 km (0.081 R)
• M9: 8,816,401 km (0.035 R)
• M10: 10,660,494 km (0.042 R)
• M11: 11,424,490 km (0.108 R)
• M12: 12,397,774 km (0.063 R)
• M13: 13,016,810 km (0.055 R)
• M14: 18,735,189 km (0.083 R)
• M15: 19,550,946 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.8

Radius: 12

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.24 AU - 2.94 AU

Year: 2877 Days

Day: 15 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,282,651 km

• M1: 149,299 km (0.11 R)
• M2: 756,217 km (0.085 R)
• M3: 1,306,588 km (0.068 R)
• M4: 1,767,648 km (0.099 R)
• M5: 2,925,686 km (0.07 R)
• M6: 3,383,754 km (0.091 R)
• M7: 3,788,416 km (0.076 R)
• M8: 4,268,775 km (0.106 R)
• M9: 5,005,096 km (0.115 R)
• M10: 5,378,492 km (0.052 R)
• M11: 6,641,697 km (0.115 R)
• M12: 8,093,694 km (0.088 R)
• M13: 8,751,625 km (0.115 R)
• M14: 9,978,776 km (0.109 R)
• M15: 11,107,343 km (0.119 R)
• M16: 11,616,275 km (0.119 R)
• M17: 14,052,925 km (0.103 R)
• M18: 16,158,216 km (0.09 R)
• M19: 17,597,646 km (0.047 R)
• M20: 19,914,618 km (0.104 R)
• M21: 21,114,243 km (0.038 R)
• M22: 22,495,331 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 11.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.01 AU - 3.49 AU

Year: 4044 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,282,651 km

• M1: 148,251 km (0.089 R)
• M2: 566,826 km (0.111 R)
• M3: 1,093,261 km (0.054 R)
• M4: 1,655,600 km (0.111 R)
• M5: 2,045,751 km (0.103 R)
• M6: 3,255,549 km (0.083 R)
• M7: 4,182,906 km (0.101 R)
• M8: 4,576,199 km (0.068 R)
• M9: 4,994,325 km (0.09 R)
• M10: 5,822,948 km (0.068 R)
• M11: 6,196,643 km (0.117 R)
• M12: 6,771,996 km (0.092 R)
• M13: 7,650,734 km (0.092 R)
• M14: 8,788,725 km (0.101 R)
• M15: 11,532,500 km (0.102 R)
• M16: 14,331,326 km (0.115 R)
• M17: 14,802,859 km (0.108 R)
• M18: 15,666,936 km (0.1 R)
• M19: 18,095,059 km (0.115 R)
• M20: 18,894,959 km (0.081 R)
• M21: 20,302,077 km (0.1 R)
• M22: 21,984,604 km (0.106 R)
• M23: 22,966,564 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.2

Radius: 9.7

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.83 AU - 4.17 AU

Year: 5522 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,282,651 km

• M1: 121,623 km (0.093 R)
• M2: 457,021 km (0.06 R)
• M3: 791,672 km (0.108 R)
• M4: 1,587,682 km (0.119 R)
• M5: 1,909,318 km (0.03 R)
• M6: 2,533,141 km (0.073 R)
• M7: 3,287,264 km (0.112 R)
• M8: 3,772,110 km (0.048 R)
• M9: 5,720,922 km (0.092 R)
• M10: 7,391,182 km (0.087 R)
• M11: 8,606,814 km (0.114 R)
• M12: 9,080,441 km (0.105 R)
• M13: 10,517,030 km (0.119 R)
• M14: 11,476,849 km (0.112 R)
• M15: 11,809,406 km (0.077 R)
• M16: 16,023,428 km (0.102 R)
• M17: 19,554,985 km (0.027 R)
• M18: 21,358,537 km (0.111 R)
• M19: 26,183,816 km (0.041 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620

Radius: 6

Gravity: 17.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.48 AU - 11.86 AU

Year: 20756 Days

Day: 22.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,282,651 km

• M1: 77,342 km (0.083 R)
• M2: 668,553 km (0.12 R)
• M3: 1,015,770 km (0.057 R)
• M4: 2,089,284 km (0.104 R)
• M5: 3,361,913 km (0.03 R)
• M6: 3,679,808 km (0.101 R)
• M7: 4,210,432 km (0.048 R)
• M8: 4,934,635 km (0.11 R)
• M9: 5,384,177 km (0.075 R)
• M10: 7,506,971 km (0.064 R)
• M11: 8,514,662 km (0.119 R)
• M12: 9,723,862 km (0.071 R)
• M13: 11,487,321 km (0.118 R)
• M14: 11,942,847 km (0.102 R)
• M15: 16,436,318 km (0.08 R)
• M16: 18,831,380 km (0.036 R)
• M17: 29,758,158 km (0.101 R)
• M18: 33,554,054 km (0.107 R)
• M19: 51,088,421 km (0.074 R)
• M20: 66,966,739 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.6

Radius: 5.4

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 8.83 AU - 10.93 AU

Year: 21436 Days

Day: 23.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,282,651 km

• M1: 67,169 km (0.089 R)
• M2: 409,449 km (0.075 R)
• M3: 775,366 km (0.09 R)
• M4: 1,057,208 km (0.086 R)
• M5: 1,432,998 km (0.058 R)
• M6: 2,014,036 km (0.063 R)
• M7: 3,396,021 km (0.118 R)
• M8: 3,575,240 km (0.082 R)
• M9: 4,356,290 km (0.098 R)
• M10: 6,061,855 km (0.09 R)
• M11: 8,351,750 km (0.039 R)
• M12: 10,772,842 km (0.084 R)
• M13: 11,444,088 km (0.025 R)
• M14: 13,180,769 km (0.104 R)
• M15: 14,812,882 km (0.069 R)
• M16: 15,085,898 km (0.026 R)
• M17: 17,773,125 km (0.114 R)
• M18: 20,425,046 km (0.06 R)
• M19: 24,449,977 km (0.035 R)
• M20: 25,704,355 km (0.117 R)
• M21: 26,597,454 km (0.088 R)
• M22: 30,486,999 km (0.117 R)
• M23: 34,859,296 km (0.117 R)
• M24: 36,446,080 km (0.09 R)
• M25: 39,500,869 km (0.057 R)
• M26: 39,762,815 km (0.025 R)
• M27: 40,026,107 km (0.1 R)
• M28: 44,821,766 km (0.118 R)
• M29: 51,844,788 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.5

Radius: 6.5

Gravity: 19.51 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.51 AU - 11.37 AU

Year: 21632 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,282,651 km

• M1: 81,232 km (0.084 R)
• M2: 391,946 km (0.054 R)
• M3: 683,812 km (0.059 R)
• M4: 963,560 km (0.066 R)
• M5: 1,288,337 km (0.087 R)
• M6: 1,493,585 km (0.078 R)
• M7: 2,643,694 km (0.098 R)
• M8: 4,022,986 km (0.102 R)
• M9: 4,396,532 km (0.086 R)
• M10: 4,830,216 km (0.064 R)
• M11: 5,292,025 km (0.091 R)
• M12: 5,615,904 km (0.075 R)
• M13: 6,438,393 km (0.042 R)
• M14: 7,844,912 km (0.101 R)
• M15: 8,266,330 km (0.112 R)
• M16: 12,130,143 km (0.098 R)
• M17: 12,409,742 km (0.093 R)
• M18: 12,909,548 km (0.106 R)
• M19: 14,102,142 km (0.117 R)
• M20: 14,804,504 km (0.103 R)
• M21: 15,529,755 km (0.052 R)
• M22: 16,026,270 km (0.111 R)
• M23: 20,882,068 km (0.081 R)
• M24: 22,837,461 km (0.066 R)
• M25: 37,334,991 km (0.089 R)
• M26: 37,630,148 km (0.108 R)
• M27: 39,130,016 km (0.084 R)
• M28: 41,929,291 km (0.105 R)
• M29: 43,704,120 km (0.025 R)
• M30: 50,580,237 km (0.079 R)
• M31: 52,961,386 km (0.05 R)
• M32: 53,521,331 km (0.063 R)
• M33: 54,843,028 km (0.086 R)
• M34: 62,400,264 km (0.074 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: 167 - 18,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit