🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 15

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.83 AU - 0.87 AU

Year: 532 Days

Day: 13.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,360,001 km

• M1: 186,549 km (0.106 R)
• M2: 725,250 km (0.068 R)
• M3: 1,361,041 km (0.067 R)
• M4: 1,935,946 km (0.101 R)
• M5: 2,547,053 km (0.119 R)
• M6: 3,044,167 km (0.115 R)
• M7: 3,700,303 km (0.08 R)
• M8: 4,780,699 km (0.059 R)
• M9: 5,581,646 km (0.028 R)
• M10: 6,138,749 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.4

Radius: 12.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.02 AU - 1.42 AU

Year: 914 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,360,001 km

• M1: 162,014 km (0.083 R)
• M2: 602,431 km (0.078 R)
• M3: 1,045,988 km (0.088 R)
• M4: 1,598,453 km (0.086 R)
• M5: 2,176,649 km (0.092 R)
• M6: 2,962,038 km (0.07 R)
• M7: 3,434,468 km (0.071 R)
• M8: 4,469,386 km (0.076 R)
• M9: 5,111,310 km (0.12 R)
• M10: 5,701,773 km (0.11 R)
• M11: 6,766,312 km (0.097 R)
• M12: 7,636,971 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.4

Radius: 11.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.7 AU - 2.64 AU

Year: 2168 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,360,001 km

• M1: 144,212 km (0.066 R)
• M2: 537,954 km (0.029 R)
• M3: 1,024,745 km (0.117 R)
• M4: 1,822,850 km (0.091 R)
• M5: 3,439,255 km (0.052 R)
• M6: 6,407,875 km (0.106 R)
• M7: 8,327,814 km (0.07 R)
• M8: 8,906,758 km (0.1 R)
• M9: 10,177,592 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.6

Radius: 9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.83 AU - 3.37 AU

Year: 3702 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,360,001 km

• M1: 111,899 km (0.08 R)
• M2: 487,390 km (0.065 R)
• M3: 1,087,128 km (0.098 R)
• M4: 1,466,209 km (0.08 R)
• M5: 2,049,192 km (0.079 R)
• M6: 2,509,355 km (0.102 R)
• M7: 2,974,903 km (0.115 R)
• M8: 4,874,946 km (0.11 R)
• M9: 5,162,024 km (0.104 R)
• M10: 5,530,783 km (0.1 R)
• M11: 5,941,878 km (0.098 R)
• M12: 6,690,316 km (0.111 R)
• M13: 7,646,097 km (0.06 R)
• M14: 8,156,824 km (0.114 R)
• M15: 9,014,768 km (0.085 R)
• M16: 10,037,120 km (0.082 R)
• M17: 11,248,862 km (0.085 R)
• M18: 11,870,292 km (0.107 R)
• M19: 12,762,045 km (0.113 R)
• M20: 13,395,143 km (0.081 R)
• M21: 14,182,327 km (0.03 R)
• M22: 14,541,811 km (0.12 R)
• M23: 16,629,748 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.7

Radius: 8.4

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.69 AU - 3.53 AU

Year: 3720 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,360,001 km

• M1: 106,514 km (0.065 R)
• M2: 381,624 km (0.094 R)
• M3: 839,543 km (0.103 R)
• M4: 1,531,733 km (0.045 R)
• M5: 1,838,259 km (0.12 R)
• M6: 2,142,092 km (0.099 R)
• M7: 2,661,047 km (0.101 R)
• M8: 3,359,819 km (0.102 R)
• M9: 3,926,944 km (0.097 R)
• M10: 4,934,187 km (0.053 R)
• M11: 5,197,628 km (0.091 R)
• M12: 5,526,145 km (0.081 R)
• M13: 8,562,533 km (0.074 R)
• M14: 8,982,903 km (0.103 R)
• M15: 9,782,205 km (0.069 R)
• M16: 10,980,035 km (0.107 R)
• M17: 12,082,122 km (0.101 R)
• M18: 12,708,938 km (0.093 R)
• M19: 14,238,277 km (0.066 R)
• M20: 15,212,757 km (0.071 R)
• M21: 15,716,304 km (0.118 R)
• M22: 18,027,890 km (0.108 R)
• M23: 20,829,110 km (0.091 R)
• M24: 21,380,528 km (0.086 R)
• M25: 22,512,535 km (0.087 R)
• M26: 23,907,984 km (0.097 R)
• M27: 25,282,339 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.5

Radius: 12.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.86 AU - 4.42 AU

Year: 5713 Days

Day: 12 Hours

Environment

Temp: -219 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,360,001 km

• M1: 160,369 km (0.084 R)
• M2: 724,951 km (0.075 R)
• M3: 1,254,977 km (0.099 R)
• M4: 1,968,558 km (0.09 R)
• M5: 3,201,245 km (0.109 R)
• M6: 3,986,185 km (0.107 R)
• M7: 4,516,360 km (0.033 R)
• M8: 5,007,938 km (0.079 R)
• M9: 6,132,017 km (0.087 R)
• M10: 6,598,762 km (0.108 R)
• M11: 7,125,347 km (0.099 R)
• M12: 7,948,284 km (0.09 R)
• M13: 10,283,806 km (0.097 R)
• M14: 10,705,672 km (0.045 R)
• M15: 11,384,697 km (0.103 R)
• M16: 11,938,209 km (0.102 R)
• M17: 12,457,015 km (0.119 R)
• M18: 13,428,802 km (0.032 R)
• M19: 17,428,302 km (0.058 R)
• M20: 18,712,749 km (0.088 R)
• M21: 19,555,882 km (0.089 R)
• M22: 21,545,684 km (0.044 R)
• M23: 24,404,050 km (0.07 R)
• M24: 24,987,931 km (0.079 R)
• M25: 26,270,284 km (0.083 R)
• M26: 28,321,420 km (0.09 R)
• M27: 29,715,223 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 150.6

Radius: 4.6

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.44 AU - 7.18 AU

Year: 10751 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,360,001 km

• M1: 57,595 km (0.118 R)
• M2: 687,402 km (0.092 R)
• M3: 1,248,245 km (0.075 R)
• M4: 1,604,587 km (0.059 R)
• M5: 2,115,314 km (0.051 R)
• M6: 2,383,393 km (0.09 R)
• M7: 2,968,471 km (0.109 R)
• M8: 3,346,056 km (0.108 R)
• M9: 3,535,746 km (0.1 R)
• M10: 4,962,610 km (0.102 R)
• M11: 6,186,321 km (0.071 R)
• M12: 7,174,863 km (0.097 R)
• M13: 8,075,592 km (0.11 R)
• M14: 8,572,706 km (0.081 R)
• M15: 10,362,196 km (0.079 R)
• M16: 11,652,777 km (0.079 R)
• M17: 12,138,521 km (0.049 R)
• M18: 17,258,957 km (0.067 R)
• M19: 18,405,475 km (0.103 R)
• M20: 20,427,440 km (0.079 R)
• M21: 22,817,266 km (0.072 R)
• M22: 24,826,664 km (0.094 R)
• M23: 26,284,944 km (0.094 R)
• M24: 29,370,999 km (0.061 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: 282 - 10,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit