🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.7

Radius: 10

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.42 AU - 0.64 AU

Year: 266 Days

Day: 6.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 65,324,776 km

• M1: 124,914 km (0.092 R)
• M2: 548,875 km (0.112 R)
• M3: 1,111,961 km (0.047 R)
• M4: 1,430,305 km (0.11 R)
• M5: 1,747,902 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.2

Radius: 8

Gravity: 14.55 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.63 AU - 0.65 AU

Year: 353 Days

Day: 5.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,324,776 km

• M1: 99,483 km (0.102 R)
• M2: 398,230 km (0.094 R)
• M3: 705,504 km (0.03 R)
• M4: 1,277,117 km (0.114 R)
• M5: 1,649,765 km (0.094 R)
• M6: 2,119,054 km (0.098 R)
• M7: 2,432,162 km (0.05 R)
• M8: 2,838,320 km (0.115 R)
• M9: 3,370,739 km (0.087 R)
• M10: 4,278,050 km (0.092 R)
• M11: 4,781,298 km (0.101 R)
• M12: 5,133,152 km (0.099 R)
• M13: 5,387,917 km (0.063 R)
• M14: 5,667,964 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.6

Radius: 11.4

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.92 AU - 1 AU

Year: 649 Days

Day: 7.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,324,776 km

• M1: 141,968 km (0.104 R)
• M2: 565,779 km (0.108 R)
• M3: 975,229 km (0.098 R)
• M4: 1,496,278 km (0.119 R)
• M5: 1,924,726 km (0.096 R)
• M6: 2,554,384 km (0.077 R)
• M7: 3,264,375 km (0.052 R)
• M8: 5,147,962 km (0.074 R)
• M9: 6,874,621 km (0.119 R)
• M10: 8,247,031 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.2

Radius: 9.2

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.02 AU - 1.06 AU

Year: 732 Days

Day: 7 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,324,776 km

• M1: 114,442 km (0.077 R)
• M2: 455,825 km (0.104 R)
• M3: 1,009,935 km (0.116 R)
• M4: 1,359,994 km (0.038 R)
• M5: 1,665,174 km (0.049 R)
• M6: 1,979,030 km (0.051 R)
• M7: 2,503,371 km (0.106 R)
• M8: 3,515,849 km (0.112 R)
• M9: 3,829,107 km (0.088 R)
• M10: 4,797,305 km (0.116 R)
• M11: 5,130,010 km (0.046 R)
• M12: 5,422,175 km (0.075 R)
• M13: 5,764,006 km (0.083 R)
• M14: 6,703,929 km (0.107 R)
• M15: 7,075,979 km (0.114 R)
• M16: 8,103,417 km (0.114 R)
• M17: 8,576,745 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.9

Radius: 12.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.04 AU - 1.18 AU

Year: 807 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,324,776 km

• M1: 159,771 km (0.114 R)
• M2: 797,656 km (0.073 R)
• M3: 1,225,805 km (0.089 R)
• M4: 1,638,994 km (0.079 R)
• M5: 2,106,637 km (0.051 R)
• M6: 2,593,279 km (0.071 R)
• M7: 3,049,403 km (0.106 R)
• M8: 3,472,765 km (0.068 R)
• M9: 3,888,946 km (0.111 R)
• M10: 4,593,702 km (0.069 R)
• M11: 5,134,797 km (0.045 R)
• M12: 6,067,989 km (0.089 R)
• M13: 6,630,926 km (0.068 R)
• M14: 7,663,450 km (0.094 R)
• M15: 8,115,535 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.4

Radius: 10.9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.27 AU - 1.29 AU

Year: 1000 Days

Day: 13.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,324,776 km

• M1: 136,284 km (0.105 R)
• M2: 481,855 km (0.106 R)
• M3: 2,056,522 km (0.084 R)
• M4: 2,655,961 km (0.109 R)
• M5: 3,617,875 km (0.1 R)
• M6: 4,322,032 km (0.096 R)
• M7: 4,761,401 km (0.09 R)
• M8: 5,134,199 km (0.088 R)
• M9: 5,689,207 km (0.103 R)
• M10: 6,196,344 km (0.049 R)
• M11: 6,618,958 km (0.074 R)
• M12: 8,029,965 km (0.053 R)
• M13: 9,001,154 km (0.057 R)
• M14: 9,838,902 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646

Radius: 9.4

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.62 AU - 1.72 AU

Year: 1490 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,324,776 km

• M1: 117,135 km (0.08 R)
• M2: 423,212 km (0.07 R)
• M3: 835,355 km (0.118 R)
• M4: 1,165,068 km (0.09 R)
• M5: 1,502,411 km (0.069 R)
• M6: 2,088,237 km (0.098 R)
• M7: 2,846,997 km (0.104 R)
• M8: 3,469,175 km (0.115 R)
• M9: 3,984,390 km (0.113 R)
• M10: 5,085,430 km (0.091 R)
• M11: 5,955,192 km (0.071 R)
• M12: 7,309,053 km (0.119 R)
• M13: 8,213,970 km (0.044 R)
• M14: 8,857,540 km (0.039 R)
• M15: 9,440,074 km (0.052 R)
• M16: 9,982,816 km (0.069 R)
• M17: 13,209,043 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.7

Radius: 11.7

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.17 AU - 4.23 AU

Year: 4913 Days

Day: 9 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,324,776 km

• M1: 147,504 km (0.083 R)
• M2: 574,456 km (0.092 R)
• M3: 1,030,729 km (0.11 R)
• M4: 2,018,823 km (0.102 R)
• M5: 2,832,636 km (0.104 R)
• M6: 3,335,285 km (0.085 R)
• M7: 4,259,051 km (0.092 R)
• M8: 6,360,153 km (0.104 R)
• M9: 7,776,546 km (0.104 R)
• M10: 12,980,158 km (0.08 R)
• M11: 14,426,022 km (0.12 R)
• M12: 15,748,467 km (0.105 R)
• M13: 18,824,648 km (0.041 R)
• M14: 21,432,289 km (0.109 R)
• M15: 21,853,706 km (0.071 R)
• M16: 24,576,537 km (0.118 R)
• M17: 27,518,080 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.6

Radius: 3.6

Gravity: 40.94 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.34 AU - 7.9 AU

Year: 11757 Days

Day: 16 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,324,776 km

• M1: 44,730 km (0.109 R)
• M2: 191,036 km (0.109 R)
• M3: 559,346 km (0.115 R)
• M4: 925,861 km (0.112 R)
• M5: 2,733,003 km (0.11 R)
• M6: 2,973,407 km (0.052 R)
• M7: 4,509,179 km (0.097 R)
• M8: 6,095,664 km (0.077 R)
• M9: 8,019,343 km (0.087 R)
• M10: 8,556,699 km (0.065 R)
• M11: 9,603,735 km (0.101 R)
• M12: 9,802,849 km (0.066 R)
• M13: 10,312,828 km (0.112 R)
• M14: 11,219,840 km (0.094 R)
• M15: 11,891,385 km (0.04 R)
• M16: 12,063,273 km (0.081 R)
• M17: 12,767,729 km (0.112 R)
• M18: 15,381,653 km (0.07 R)
• M19: 16,139,217 km (0.105 R)
• M20: 16,633,937 km (0.081 R)
• M21: 18,028,039 km (0.11 R)
• M22: 19,897,564 km (0.065 R)
• M23: 21,045,877 km (0.099 R)
• M24: 21,381,874 km (0.086 R)
• M25: 22,324,341 km (0.1 R)
• M26: 22,586,137 km (0.113 R)
• M27: 29,604,371 km (0.084 R)
• M28: 29,920,322 km (0.097 R)
• M29: 30,881,638 km (0.117 R)
• M30: 31,206,565 km (0.05 R)
• M31: 34,816,212 km (0.107 R)
• M32: 35,286,099 km (0.082 R)
• M33: 40,477,743 km (0.096 R)
• M34: 41,389,841 km (0.033 R)
• M35: 46,722,856 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.4

Radius: 7.7

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.57 AU - 9.19 AU

Year: 16745 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,324,776 km

• M1: 97,239 km (0.102 R)
• M2: 338,690 km (0.088 R)
• M3: 953,088 km (0.083 R)
• M4: 1,589,926 km (0.09 R)
• M5: 2,989,414 km (0.118 R)
• M6: 3,320,026 km (0.082 R)
• M7: 3,618,772 km (0.102 R)
• M8: 3,876,530 km (0.091 R)
• M9: 4,177,221 km (0.096 R)
• M10: 5,103,083 km (0.102 R)
• M11: 6,362,397 km (0.046 R)
• M12: 12,175,771 km (0.112 R)
• M13: 13,492,382 km (0.095 R)
• M14: 14,326,539 km (0.1 R)
• M15: 20,696,417 km (0.117 R)
• M16: 28,956,313 km (0.088 R)
• M17: 30,812,823 km (0.109 R)
• M18: 32,378,514 km (0.115 R)
• M19: 33,744,193 km (0.048 R)
• M20: 35,798,471 km (0.069 R)
• M21: 41,730,027 km (0.096 R)
• M22: 45,156,416 km (0.111 R)
• M23: 48,444,727 km (0.067 R)
• M24: 53,756,798 km (0.12 R)
• M25: 56,552,932 km (0.086 R)
• M26: 57,986,678 km (0.109 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 14,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit