🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.5

Radius: 8.2

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.8 AU - 0.92 AU

Year: 532 Days

Day: 14.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,342,391 km

• M1: 102,026 km (0.111 R)
• M2: 371,900 km (0.103 R)
• M3: 709,692 km (0.104 R)
• M4: 1,023,848 km (0.107 R)
• M5: 1,362,837 km (0.06 R)
• M6: 1,866,533 km (0.078 R)
• M7: 2,204,474 km (0.112 R)
• M8: 2,479,136 km (0.095 R)
• M9: 2,923,142 km (0.106 R)
• M10: 3,355,779 km (0.061 R)
• M11: 3,928,141 km (0.105 R)
• M12: 4,364,667 km (0.093 R)
• M13: 4,898,283 km (0.099 R)
• M14: 5,580,749 km (0.102 R)
• M15: 5,982,419 km (0.076 R)
• M16: 6,561,063 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.3

Radius: 12.9

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.02 AU - 1.12 AU

Year: 738 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,342,391 km

• M1: 160,369 km (0.048 R)
• M2: 563,685 km (0.084 R)
• M3: 1,016,667 km (0.117 R)
• M4: 1,803,851 km (0.109 R)
• M5: 2,449,964 km (0.078 R)
• M6: 2,885,743 km (0.086 R)
• M7: 3,873,538 km (0.085 R)
• M8: 4,676,429 km (0.086 R)
• M9: 5,371,312 km (0.086 R)
• M10: 6,904,540 km (0.109 R)
• M11: 7,313,391 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.1

Radius: 11.9

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.55 AU - 1.65 AU

Year: 1350 Days

Day: 6 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,342,391 km

• M1: 147,952 km (0.092 R)
• M2: 612,454 km (0.071 R)
• M3: 1,395,599 km (0.098 R)
• M4: 2,074,773 km (0.054 R)
• M5: 2,809,298 km (0.113 R)
• M6: 3,184,939 km (0.044 R)
• M7: 3,985,586 km (0.045 R)
• M8: 4,443,506 km (0.102 R)
• M9: 4,834,854 km (0.037 R)
• M10: 5,778,367 km (0.082 R)
• M11: 6,221,925 km (0.109 R)
• M12: 7,554,094 km (0.08 R)
• M13: 9,476,277 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951

Radius: 9.1

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.95 AU - 2.25 AU

Year: 2029 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,342,391 km

• M1: 113,096 km (0.105 R)
• M2: 406,906 km (0.036 R)
• M3: 692,339 km (0.062 R)
• M4: 1,005,597 km (0.108 R)
• M5: 1,332,319 km (0.09 R)
• M6: 1,819,260 km (0.111 R)
• M7: 2,285,556 km (0.11 R)
• M8: 3,133,477 km (0.031 R)
• M9: 4,680,319 km (0.105 R)
• M10: 5,583,741 km (0.102 R)
• M11: 6,012,039 km (0.04 R)
• M12: 6,381,247 km (0.092 R)
• M13: 6,737,439 km (0.061 R)
• M14: 7,252,654 km (0.068 R)
• M15: 7,701,897 km (0.032 R)
• M16: 8,106,110 km (0.095 R)
• M17: 8,755,664 km (0.1 R)
• M18: 9,161,822 km (0.079 R)
• M19: 9,580,397 km (0.07 R)
• M20: 10,232,195 km (0.115 R)
• M21: 12,323,873 km (0.113 R)
• M22: 12,791,366 km (0.111 R)
• M23: 16,554,201 km (0.072 R)
• M24: 18,191,999 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.8

Radius: 12

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.51 AU - 2.57 AU

Year: 2699 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,342,391 km

• M1: 149,299 km (0.108 R)
• M2: 530,324 km (0.105 R)
• M3: 929,900 km (0.117 R)
• M4: 1,593,217 km (0.059 R)
• M5: 2,033,035 km (0.054 R)
• M6: 3,250,612 km (0.059 R)
• M7: 3,711,523 km (0.055 R)
• M8: 4,215,818 km (0.11 R)
• M9: 5,118,192 km (0.086 R)
• M10: 6,621,202 km (0.104 R)
• M11: 7,366,199 km (0.09 R)
• M12: 8,673,385 km (0.088 R)
• M13: 9,676,589 km (0.051 R)
• M14: 11,574,387 km (0.078 R)
• M15: 11,999,096 km (0.103 R)
• M16: 15,626,694 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.7

Radius: 13.1

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.63 AU - 2.73 AU

Year: 2926 Days

Day: 6 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,342,391 km

• M1: 162,912 km (0.111 R)
• M2: 602,281 km (0.1 R)
• M3: 1,175,390 km (0.105 R)
• M4: 1,607,130 km (0.07 R)
• M5: 2,257,881 km (0.116 R)
• M6: 3,079,323 km (0.056 R)
• M7: 3,521,534 km (0.07 R)
• M8: 4,770,227 km (0.081 R)
• M9: 7,587,754 km (0.072 R)
• M10: 8,650,198 km (0.06 R)
• M11: 9,577,256 km (0.118 R)
• M12: 11,325,606 km (0.057 R)
• M13: 13,518,860 km (0.029 R)
• M14: 14,613,318 km (0.118 R)
• M15: 15,927,835 km (0.112 R)
• M16: 18,371,067 km (0.089 R)
• M17: 21,714,281 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.9

Radius: 5.1

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.84 AU - 10.66 AU

Year: 17260 Days

Day: 19.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 111.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,342,391 km

• M1: 63,729 km (0.061 R)
• M2: 359,633 km (0.085 R)
• M3: 539,600 km (0.085 R)
• M4: 1,163,572 km (0.101 R)
• M5: 1,678,638 km (0.102 R)
• M6: 2,217,040 km (0.036 R)
• M7: 3,169,081 km (0.048 R)
• M8: 7,396,268 km (0.044 R)
• M9: 7,746,776 km (0.101 R)
• M10: 13,689,252 km (0.056 R)
• M11: 14,759,176 km (0.065 R)
• M12: 16,913,685 km (0.096 R)
• M13: 20,269,315 km (0.107 R)
• M14: 21,041,988 km (0.066 R)
• M15: 23,384,242 km (0.104 R)
• M16: 24,329,551 km (0.084 R)
• M17: 25,398,577 km (0.089 R)
• M18: 29,115,785 km (0.091 R)
• M19: 31,103,492 km (0.089 R)
• M20: 32,130,331 km (0.112 R)
• M21: 36,842,664 km (0.063 R)
• M22: 41,037,239 km (0.041 R)
• M23: 47,908,718 km (0.092 R)
• M24: 55,011,326 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 17,232 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit