🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.1

Radius: 12.6

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.57 AU - 0.63 AU

Year: 327 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,015,007 km

• M1: 156,779 km (0.104 R)
• M2: 555,307 km (0.116 R)
• M3: 964,158 km (0.069 R)
• M4: 1,374,954 km (0.051 R)
• M5: 2,220,930 km (0.039 R)
• M6: 2,862,256 km (0.09 R)
• M7: 3,280,681 km (0.11 R)
• M8: 3,858,578 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.4

Radius: 9.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.63 AU - 0.65 AU

Year: 360 Days

Day: 13.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,015,007 km

• M1: 114,742 km (0.05 R)
• M2: 461,210 km (0.07 R)
• M3: 759,957 km (0.091 R)
• M4: 1,098,946 km (0.119 R)
• M5: 1,413,700 km (0.107 R)
• M6: 1,763,161 km (0.034 R)
• M7: 2,380,551 km (0.064 R)
• M8: 2,744,373 km (0.094 R)
• M9: 3,584,963 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.1

Radius: 12.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.78 AU - 1.02 AU

Year: 600 Days

Day: 7.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,015,007 km

• M1: 153,039 km (0.065 R)
• M2: 979,268 km (0.06 R)
• M3: 1,519,017 km (0.078 R)
• M4: 1,932,655 km (0.039 R)
• M5: 2,697,998 km (0.035 R)
• M6: 3,114,927 km (0.093 R)
• M7: 3,766,276 km (0.066 R)
• M8: 4,506,486 km (0.096 R)
• M9: 4,928,651 km (0.089 R)
• M10: 5,377,146 km (0.099 R)
• M11: 6,763,769 km (0.102 R)
• M12: 7,363,207 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.4

Radius: 11.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.76 AU - 3.04 AU

Year: 3471 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,015,007 km

• M1: 147,055 km (0.071 R)
• M2: 517,309 km (0.075 R)
• M3: 985,551 km (0.03 R)
• M4: 1,369,419 km (0.078 R)
• M5: 2,102,598 km (0.059 R)
• M6: 2,809,149 km (0.103 R)
• M7: 3,211,268 km (0.092 R)
• M8: 4,291,065 km (0.091 R)
• M9: 6,449,613 km (0.087 R)
• M10: 7,751,713 km (0.102 R)
• M11: 9,833,966 km (0.082 R)
• M12: 10,408,122 km (0.084 R)
• M13: 10,803,210 km (0.049 R)
• M14: 11,242,430 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.3

Radius: 13.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.01 AU - 3.03 AU

Year: 3689 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,015,007 km

• M1: 172,935 km (0.104 R)
• M2: 880,383 km (0.12 R)
• M3: 1,686,566 km (0.053 R)
• M4: 2,895,467 km (0.1 R)
• M5: 3,846,311 km (0.084 R)
• M6: 5,152,450 km (0.089 R)
• M7: 5,810,980 km (0.087 R)
• M8: 6,455,747 km (0.103 R)
• M9: 7,347,499 km (0.096 R)
• M10: 8,292,509 km (0.087 R)
• M11: 9,921,780 km (0.095 R)
• M12: 11,277,136 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.8

Radius: 3.9

Gravity: 24.38 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.5 AU - 8.1 AU

Year: 15313 Days

Day: 16.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,015,007 km

• M1: 95,892 km (0.111 R)
• M2: 273,016 km (0.101 R)
• M3: 839,394 km (0.035 R)
• M4: 1,162,525 km (0.074 R)
• M5: 1,490,892 km (0.081 R)
• M6: 1,861,446 km (0.117 R)
• M7: 3,171,774 km (0.117 R)
• M8: 3,781,236 km (0.1 R)
• M9: 3,945,045 km (0.069 R)
• M10: 4,586,820 km (0.097 R)
• M11: 8,258,401 km (0.093 R)
• M12: 8,534,559 km (0.052 R)
• M13: 8,864,571 km (0.111 R)
• M14: 10,589,285 km (0.093 R)
• M15: 15,365,197 km (0.117 R)
• M16: 19,240,381 km (0.089 R)
• M17: 24,090,344 km (0.115 R)
• M18: 25,904,666 km (0.114 R)
• M19: 36,354,826 km (0.112 R)
• M20: 42,976,476 km (0.085 R)
• M21: 43,943,776 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.4

Radius: 4.7

Gravity: 22.38 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.25 AU - 8.53 AU

Year: 15578 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,015,007 km

• M1: 85,869 km (0.095 R)
• M2: 261,198 km (0.053 R)
• M3: 520,152 km (0.04 R)
• M4: 938,876 km (0.067 R)
• M5: 1,380,639 km (0.093 R)
• M6: 1,601,445 km (0.047 R)
• M7: 1,777,971 km (0.078 R)
• M8: 2,327,144 km (0.065 R)
• M9: 3,352,488 km (0.099 R)
• M10: 3,615,781 km (0.081 R)
• M11: 3,921,409 km (0.111 R)
• M12: 4,427,199 km (0.102 R)
• M13: 4,647,707 km (0.12 R)
• M14: 5,713,591 km (0.042 R)
• M15: 8,174,626 km (0.116 R)
• M16: 9,453,837 km (0.092 R)
• M17: 10,524,659 km (0.113 R)
• M18: 13,748,643 km (0.048 R)
• M19: 15,048,499 km (0.051 R)
• M20: 16,204,741 km (0.059 R)
• M21: 16,353,291 km (0.104 R)
• M22: 16,804,478 km (0.112 R)
• M23: 17,419,026 km (0.08 R)
• M24: 18,288,190 km (0.101 R)
• M25: 26,823,197 km (0.096 R)
• M26: 27,767,609 km (0.086 R)
• M27: 30,734,135 km (0.062 R)
• M28: 32,352,335 km (0.114 R)
• M29: 36,900,858 km (0.066 R)
• M30: 37,546,522 km (0.104 R)
• M31: 42,418,775 km (0.07 R)
• M32: 44,421,891 km (0.103 R)
• M33: 45,446,786 km (0.06 R)
• M34: 46,938,127 km (0.085 R)
• M35: 50,649,650 km (0.069 R)
• M36: 53,065,955 km (0.12 R)
• M37: 54,385,708 km (0.064 R)
• M38: 55,053,662 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.5

Radius: 3.1

Gravity: 65.61 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.11 AU - 9.53 AU

Year: 20000 Days

Day: 23.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,015,007 km

• M1: 82,428 km (0.119 R)
• M2: 204,799 km (0.109 R)
• M3: 364,869 km (0.11 R)
• M4: 537,954 km (0.055 R)
• M5: 815,608 km (0.059 R)
• M6: 998,566 km (0.066 R)
• M7: 1,250,788 km (0.042 R)
• M8: 1,399,638 km (0.092 R)
• M9: 1,662,481 km (0.063 R)
• M10: 1,787,395 km (0.077 R)
• M11: 2,096,465 km (0.061 R)
• M12: 2,648,929 km (0.086 R)
• M13: 3,376,274 km (0.102 R)
• M14: 3,725,286 km (0.055 R)
• M15: 4,065,771 km (0.101 R)
• M16: 4,426,751 km (0.083 R)
• M17: 5,441,323 km (0.083 R)
• M18: 7,145,542 km (0.076 R)
• M19: 8,530,370 km (0.061 R)
• M20: 10,560,712 km (0.095 R)
• M21: 12,822,333 km (0.098 R)
• M22: 13,099,687 km (0.092 R)
• M23: 23,401,894 km (0.057 R)
• M24: 27,535,283 km (0.11 R)
• M25: 28,580,823 km (0.047 R)
• M26: 39,207,208 km (0.069 R)
• M27: 41,577,437 km (0.086 R)
• M28: 45,309,156 km (0.11 R)
• M29: 47,585,886 km (0.085 R)
• M30: 56,895,062 km (0.046 R)
• M31: 59,350,262 km (0.115 R)
• M32: 60,313,074 km (0.094 R)
• M33: 62,072,345 km (0.067 R)
• M34: 67,763,946 km (0.057 R)
• M35: 67,973,383 km (0.097 R)
• M36: 69,877,913 km (0.072 R)
• M37: 73,130,769 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 18,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit