🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.9

Radius: 14.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.03 AU - 1.39 AU

Year: 846 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,897,700 km

• M1: 179,667 km (0.05 R)
• M2: 712,086 km (0.077 R)
• M3: 1,588,281 km (0.091 R)
• M4: 2,207,466 km (0.095 R)
• M5: 3,199,001 km (0.055 R)
• M6: 4,428,845 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.6

Radius: 13.4

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.93 AU - 1.49 AU

Year: 846 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,897,700 km

• M1: 166,802 km (0.107 R)
• M2: 642,672 km (0.086 R)
• M3: 1,213,089 km (0.059 R)
• M4: 1,804,300 km (0.081 R)
• M5: 2,337,766 km (0.101 R)
• M6: 2,963,085 km (0.12 R)
• M7: 3,624,008 km (0.113 R)
• M8: 5,396,594 km (0.118 R)
• M9: 6,192,155 km (0.104 R)
• M10: 6,856,220 km (0.046 R)
• M11: 7,445,336 km (0.102 R)
• M12: 8,644,962 km (0.106 R)
• M13: 9,590,271 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.1

Radius: 8.6

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.01 AU - 3.51 AU

Year: 3742 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,897,700 km

• M1: 112,348 km (0.076 R)
• M2: 399,726 km (0.064 R)
• M3: 686,953 km (0.094 R)
• M4: 1,071,420 km (0.066 R)
• M5: 2,324,751 km (0.048 R)
• M6: 3,057,182 km (0.053 R)
• M7: 4,133,688 km (0.107 R)
• M8: 4,703,058 km (0.074 R)
• M9: 6,588,589 km (0.069 R)
• M10: 9,344,481 km (0.036 R)
• M11: 9,735,680 km (0.106 R)
• M12: 11,014,592 km (0.063 R)
• M13: 13,719,920 km (0.1 R)
• M14: 14,040,359 km (0.116 R)
• M15: 14,554,078 km (0.059 R)
• M16: 15,421,596 km (0.12 R)
• M17: 18,563,151 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 8

Gravity: 14.3 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.38 AU - 4.8 AU

Year: 5259 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,897,700 km

• M1: 99,483 km (0.049 R)
• M2: 597,793 km (0.066 R)
• M3: 2,134,163 km (0.067 R)
• M4: 3,548,162 km (0.105 R)
• M5: 3,988,429 km (0.11 R)
• M6: 5,560,702 km (0.118 R)
• M7: 6,518,727 km (0.097 R)
• M8: 7,923,302 km (0.114 R)
• M9: 8,274,109 km (0.092 R)
• M10: 8,881,925 km (0.081 R)
• M11: 9,175,585 km (0.101 R)
• M12: 10,140,940 km (0.096 R)
• M13: 10,789,597 km (0.099 R)
• M14: 12,636,981 km (0.101 R)
• M15: 15,515,842 km (0.071 R)
• M16: 17,661,076 km (0.08 R)
• M17: 17,992,435 km (0.08 R)
• M18: 24,036,189 km (0.105 R)
• M19: 25,439,118 km (0.084 R)
• M20: 27,246,410 km (0.097 R)
• M21: 31,988,662 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.7

Radius: 11.1

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.72 AU - 5.12 AU

Year: 5908 Days

Day: 11.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,897,700 km

• M1: 138,079 km (0.033 R)
• M2: 589,864 km (0.074 R)
• M3: 1,094,308 km (0.084 R)
• M4: 1,465,610 km (0.084 R)
• M5: 2,161,689 km (0.026 R)
• M6: 2,833,384 km (0.114 R)
• M7: 3,484,284 km (0.094 R)
• M8: 4,035,851 km (0.114 R)
• M9: 4,725,198 km (0.101 R)
• M10: 5,141,080 km (0.11 R)
• M11: 5,491,439 km (0.045 R)
• M12: 6,371,523 km (0.072 R)
• M13: 6,776,484 km (0.079 R)
• M14: 7,306,809 km (0.091 R)
• M15: 8,056,893 km (0.096 R)
• M16: 10,900,000 km (0.114 R)
• M17: 11,480,739 km (0.116 R)
• M18: 11,929,682 km (0.118 R)
• M19: 12,442,354 km (0.105 R)
• M20: 15,229,213 km (0.043 R)
• M21: 19,937,507 km (0.092 R)
• M22: 30,648,864 km (0.063 R)
• M23: 31,417,198 km (0.089 R)
• M24: 31,806,153 km (0.026 R)
• M25: 32,593,636 km (0.078 R)
• M26: 34,003,147 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.4

Radius: 9.5

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.64 AU - 5.72 AU

Year: 6437 Days

Day: 6.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,897,700 km

• M1: 124,166 km (0.087 R)
• M2: 587,321 km (0.099 R)
• M3: 957,576 km (0.103 R)
• M4: 1,484,310 km (0.074 R)
• M5: 2,338,813 km (0.112 R)
• M6: 3,198,103 km (0.099 R)
• M7: 4,849,514 km (0.12 R)
• M8: 6,731,455 km (0.116 R)
• M9: 8,371,946 km (0.073 R)
• M10: 10,581,506 km (0.086 R)
• M11: 12,119,971 km (0.088 R)
• M12: 15,456,153 km (0.106 R)
• M13: 17,818,303 km (0.064 R)
• M14: 19,290,795 km (0.041 R)
• M15: 20,915,129 km (0.106 R)
• M16: 24,434,119 km (0.055 R)
• M17: 26,758,870 km (0.119 R)
• M18: 29,409,296 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.9

Radius: 5.6

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.62 AU - 7.66 AU

Year: 9674 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,897,700 km

• M1: 71,508 km (0.118 R)
• M2: 314,305 km (0.119 R)
• M3: 572,361 km (0.107 R)
• M4: 895,493 km (0.081 R)
• M5: 1,198,877 km (0.106 R)
• M6: 1,491,790 km (0.109 R)
• M7: 1,950,307 km (0.09 R)
• M8: 2,288,099 km (0.076 R)
• M9: 2,916,710 km (0.111 R)
• M10: 3,654,377 km (0.103 R)
• M11: 4,428,995 km (0.112 R)
• M12: 5,429,356 km (0.037 R)
• M13: 6,782,767 km (0.075 R)
• M14: 6,961,986 km (0.097 R)
• M15: 7,255,198 km (0.069 R)
• M16: 8,265,582 km (0.116 R)
• M17: 8,932,040 km (0.087 R)
• M18: 10,466,166 km (0.096 R)
• M19: 11,245,721 km (0.047 R)
• M20: 13,988,149 km (0.038 R)
• M21: 14,220,474 km (0.108 R)
• M22: 15,359,213 km (0.07 R)
• M23: 15,731,114 km (0.096 R)
• M24: 16,687,044 km (0.102 R)
• M25: 17,279,003 km (0.074 R)
• M26: 17,681,272 km (0.091 R)
• M27: 18,089,823 km (0.083 R)
• M28: 18,855,016 km (0.05 R)
• M29: 22,606,931 km (0.092 R)
• M30: 24,404,798 km (0.114 R)
• M31: 34,414,541 km (0.077 R)
• M32: 35,265,155 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 13,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit