🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.55 AU - 0.79 AU

Year: 360 Days

Day: 34.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,211,475 km

• M1: 41,439 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.4

Radius: 11.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.63 AU - 0.77 AU

Year: 384 Days

Day: 14.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,211,475 km

• M1: 147,952 km (0.102 R)
• M2: 581,487 km (0.034 R)
• M3: 996,771 km (0.117 R)
• M4: 1,387,071 km (0.039 R)
• M5: 1,888,823 km (0.108 R)
• M6: 2,415,108 km (0.049 R)
• M7: 2,987,918 km (0.086 R)
• M8: 3,448,231 km (0.071 R)
• M9: 3,835,989 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.1

Radius: 13.6

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.98 AU - 1.12 AU

Year: 706 Days

Day: 5.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 123.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,211,475 km

• M1: 169,195 km (0.106 R)
• M2: 696,677 km (0.107 R)
• M3: 1,553,125 km (0.114 R)
• M4: 2,236,339 km (0.11 R)
• M5: 2,887,987 km (0.102 R)
• M6: 3,840,028 km (0.034 R)
• M7: 5,648,816 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 10.1

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.88 AU - 3.1 AU

Year: 2578 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,211,475 km

• M1: 125,662 km (0.051 R)
• M2: 488,138 km (0.102 R)
• M3: 912,248 km (0.066 R)
• M4: 1,302,399 km (0.049 R)
• M5: 1,804,150 km (0.056 R)
• M6: 2,402,392 km (0.04 R)
• M7: 3,304,318 km (0.1 R)
• M8: 3,833,146 km (0.096 R)
• M9: 4,461,457 km (0.108 R)
• M10: 5,531,082 km (0.03 R)
• M11: 6,362,098 km (0.103 R)
• M12: 7,182,194 km (0.105 R)
• M13: 7,777,743 km (0.06 R)
• M14: 9,577,106 km (0.067 R)
• M15: 10,144,082 km (0.109 R)
• M16: 12,023,031 km (0.103 R)
• M17: 12,593,747 km (0.045 R)
• M18: 13,136,339 km (0.094 R)
• M19: 14,365,734 km (0.074 R)
• M20: 14,808,693 km (0.067 R)
• M21: 15,773,749 km (0.109 R)
• M22: 16,245,132 km (0.086 R)
• M23: 17,106,666 km (0.11 R)
• M24: 17,604,378 km (0.094 R)
• M25: 18,111,814 km (0.103 R)
• M26: 20,796,647 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.3

Radius: 12.9

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.73 AU - 3.49 AU

Year: 3598 Days

Day: 13 Hours

Environment

Temp: -211 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,211,475 km

• M1: 179,218 km (0.098 R)
• M2: 690,544 km (0.06 R)
• M3: 1,171,800 km (0.084 R)
• M4: 1,634,806 km (0.098 R)
• M5: 2,072,230 km (0.09 R)
• M6: 3,031,451 km (0.092 R)
• M7: 3,448,680 km (0.058 R)
• M8: 3,946,093 km (0.08 R)
• M9: 4,445,899 km (0.026 R)
• M10: 4,866,419 km (0.088 R)
• M11: 5,547,388 km (0.105 R)
• M12: 6,642,295 km (0.115 R)
• M13: 7,131,330 km (0.119 R)
• M14: 10,795,431 km (0.111 R)
• M15: 11,344,007 km (0.082 R)
• M16: 12,727,338 km (0.096 R)
• M17: 13,677,883 km (0.059 R)
• M18: 14,726,115 km (0.115 R)
• M19: 18,311,677 km (0.109 R)
• M20: 18,850,229 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 10.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.58 AU - 4.8 AU

Year: 5626 Days

Day: 11.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,211,475 km

• M1: 133,142 km (0.11 R)
• M2: 468,541 km (0.088 R)
• M3: 1,291,778 km (0.093 R)
• M4: 1,665,024 km (0.102 R)
• M5: 3,477,253 km (0.072 R)
• M6: 4,857,443 km (0.038 R)
• M7: 6,408,025 km (0.115 R)
• M8: 6,842,607 km (0.037 R)
• M9: 7,332,540 km (0.099 R)
• M10: 8,034,752 km (0.079 R)
• M11: 9,192,191 km (0.062 R)
• M12: 11,299,426 km (0.114 R)
• M13: 12,085,114 km (0.114 R)
• M14: 12,906,706 km (0.103 R)
• M15: 14,264,456 km (0.111 R)
• M16: 16,383,809 km (0.111 R)
• M17: 17,777,912 km (0.112 R)
• M18: 18,570,780 km (0.111 R)
• M19: 22,585,987 km (0.062 R)
• M20: 23,752,552 km (0.111 R)
• M21: 24,633,085 km (0.094 R)
• M22: 27,318,815 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.5

Radius: 8.3

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.13 AU - 5.23 AU

Year: 7734 Days

Day: 9.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,211,475 km

• M1: 103,223 km (0.116 R)
• M2: 502,948 km (0.025 R)
• M3: 1,014,274 km (0.036 R)
• M4: 1,377,348 km (0.106 R)
• M5: 1,856,061 km (0.067 R)
• M6: 2,211,057 km (0.086 R)
• M7: 4,081,180 km (0.096 R)
• M8: 4,403,563 km (0.091 R)
• M9: 5,315,960 km (0.07 R)
• M10: 5,668,263 km (0.087 R)
• M11: 6,104,790 km (0.084 R)
• M12: 6,527,404 km (0.044 R)
• M13: 6,969,466 km (0.075 R)
• M14: 8,588,563 km (0.108 R)
• M15: 9,625,725 km (0.098 R)
• M16: 9,957,234 km (0.034 R)
• M17: 11,360,612 km (0.09 R)
• M18: 13,528,584 km (0.109 R)
• M19: 14,186,815 km (0.108 R)
• M20: 15,373,724 km (0.104 R)
• M21: 16,356,582 km (0.114 R)
• M22: 16,965,895 km (0.074 R)
• M23: 18,302,103 km (0.083 R)
• M24: 18,665,177 km (0.11 R)
• M25: 19,330,738 km (0.106 R)
• M26: 21,024,036 km (0.091 R)
• M27: 24,615,133 km (0.118 R)
• M28: 25,415,332 km (0.09 R)
• M29: 25,685,954 km (0.119 R)
• M30: 33,414,480 km (0.108 R)
• M31: 37,104,311 km (0.077 R)
• M32: 37,569,261 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.5

Radius: 5.3

Gravity: 17.14 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.02 AU - 8.68 AU

Year: 13072 Days

Day: 17.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,211,475 km

• M1: 65,973 km (0.106 R)
• M2: 255,364 km (0.113 R)
• M3: 491,579 km (0.116 R)
• M4: 693,087 km (0.094 R)
• M5: 1,171,052 km (0.115 R)
• M6: 1,426,117 km (0.113 R)
• M7: 1,717,832 km (0.113 R)
• M8: 2,685,431 km (0.068 R)
• M9: 5,248,492 km (0.063 R)
• M10: 6,163,283 km (0.027 R)
• M11: 6,426,725 km (0.111 R)
• M12: 6,658,452 km (0.074 R)
• M13: 8,718,115 km (0.081 R)
• M14: 10,097,557 km (0.096 R)
• M15: 10,570,137 km (0.113 R)
• M16: 10,947,722 km (0.116 R)
• M17: 12,370,398 km (0.103 R)
• M18: 13,156,834 km (0.115 R)
• M19: 14,300,060 km (0.055 R)
• M20: 15,302,217 km (0.113 R)
• M21: 15,646,292 km (0.081 R)
• M22: 16,136,823 km (0.057 R)
• M23: 16,928,345 km (0.103 R)
• M24: 22,315,664 km (0.115 R)
• M25: 26,119,639 km (0.027 R)
• M26: 27,714,352 km (0.062 R)
• M27: 28,225,677 km (0.036 R)
• M28: 31,871,078 km (0.119 R)
• M29: 34,861,839 km (0.083 R)
• M30: 39,047,887 km (0.113 R)
• M31: 39,949,363 km (0.103 R)
• M32: 45,651,885 km (0.094 R)
• M33: 49,590,497 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.8

Radius: 4.4

Gravity: 35.11 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.95 AU - 8.03 AU

Year: 13447 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,211,475 km

• M1: 109,506 km (0.04 R)
• M2: 325,824 km (0.089 R)
• M3: 593,604 km (0.077 R)
• M4: 1,089,372 km (0.086 R)
• M5: 1,387,670 km (0.101 R)
• M6: 2,931,221 km (0.077 R)
• M7: 3,427,736 km (0.116 R)
• M8: 3,723,491 km (0.095 R)
• M9: 3,949,234 km (0.085 R)
• M10: 4,094,943 km (0.045 R)
• M11: 4,522,044 km (0.108 R)
• M12: 6,859,362 km (0.111 R)
• M13: 9,684,069 km (0.104 R)
• M14: 14,194,145 km (0.091 R)
• M15: 19,929,728 km (0.086 R)
• M16: 30,299,104 km (0.081 R)
• M17: 31,326,243 km (0.118 R)
• M18: 37,457,960 km (0.07 R)
• M19: 37,849,458 km (0.111 R)
• M20: 41,914,930 km (0.11 R)
• M21: 50,264,436 km (0.061 R)
• M22: 53,166,634 km (0.049 R)
• M23: 55,499,763 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.2

Radius: 4.7

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.88 AU - 8.62 AU

Year: 14153 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,211,475 km

• M1: 254,167 km (0.056 R)
• M2: 778,807 km (0.1 R)
• M3: 1,504,207 km (0.115 R)
• M4: 1,795,324 km (0.065 R)
• M5: 2,090,331 km (0.106 R)
• M6: 2,381,000 km (0.036 R)
• M7: 3,819,982 km (0.074 R)
• M8: 4,254,563 km (0.116 R)
• M9: 5,160,977 km (0.104 R)
• M10: 7,082,711 km (0.098 R)
• M11: 7,271,205 km (0.115 R)
• M12: 7,937,214 km (0.069 R)
• M13: 8,989,186 km (0.095 R)
• M14: 9,571,421 km (0.099 R)
• M15: 12,920,618 km (0.092 R)
• M16: 13,487,894 km (0.066 R)
• M17: 14,131,015 km (0.054 R)
• M18: 15,668,283 km (0.075 R)
• M19: 18,495,982 km (0.097 R)
• M20: 19,435,755 km (0.096 R)
• M21: 20,104,757 km (0.066 R)
• M22: 20,789,018 km (0.077 R)
• M23: 22,526,597 km (0.098 R)
• M24: 29,758,008 km (0.101 R)
• M25: 31,653,114 km (0.111 R)
• M26: 37,248,374 km (0.11 R)
• M27: 38,048,573 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 15,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit