🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.1

Radius: 12.5

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.47 AU - 0.59 AU

Year: 266 Days

Day: 10.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,868,898 km

• M1: 158,424 km (0.117 R)
• M2: 548,426 km (0.106 R)
• M3: 952,938 km (0.11 R)
• M4: 1,398,291 km (0.12 R)
• M5: 1,870,273 km (0.09 R)
• M6: 2,315,925 km (0.081 R)
• M7: 2,712,658 km (0.096 R)
• M8: 3,341,119 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 13.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 12.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,868,898 km

• M1: 163,062 km (0.079 R)
• M2: 807,081 km (0.1 R)
• M3: 1,372,710 km (0.112 R)
• M4: 1,783,506 km (0.115 R)
• M5: 2,234,693 km (0.114 R)
• M6: 3,012,752 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.2

Radius: 15

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.57 AU - 0.85 AU

Year: 413 Days

Day: 10.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,868,898 km

• M1: 186,698 km (0.113 R)
• M2: 677,828 km (0.116 R)
• M3: 1,197,980 km (0.099 R)
• M4: 1,791,435 km (0.067 R)
• M5: 2,701,738 km (0.038 R)
• M6: 3,269,312 km (0.098 R)
• M7: 3,831,052 km (0.09 R)
• M8: 4,310,663 km (0.081 R)
• M9: 4,931,195 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.6

Radius: 10.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.89 AU - 1.25 AU

Year: 764 Days

Day: 8.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,868,898 km

• M1: 130,599 km (0.078 R)
• M2: 465,100 km (0.071 R)
• M3: 797,656 km (0.102 R)
• M4: 1,221,467 km (0.079 R)
• M5: 2,277,029 km (0.091 R)
• M6: 2,825,605 km (0.083 R)
• M7: 3,324,214 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771

Radius: 11.8

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.8 AU - 2.02 AU

Year: 1822 Days

Day: 14.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,868,898 km

• M1: 146,756 km (0.1 R)
• M2: 571,165 km (0.107 R)
• M3: 1,074,262 km (0.097 R)
• M4: 1,490,144 km (0.041 R)
• M5: 1,935,946 km (0.042 R)
• M6: 2,340,907 km (0.074 R)
• M7: 4,154,931 km (0.119 R)
• M8: 4,711,585 km (0.1 R)
• M9: 5,095,453 km (0.064 R)
• M10: 5,781,808 km (0.096 R)
• M11: 7,172,021 km (0.052 R)
• M12: 8,491,624 km (0.106 R)
• M13: 10,246,108 km (0.06 R)
• M14: 11,954,964 km (0.1 R)
• M15: 12,551,261 km (0.086 R)
• M16: 13,461,564 km (0.109 R)
• M17: 14,238,725 km (0.047 R)
• M18: 15,045,507 km (0.118 R)
• M19: 15,506,717 km (0.112 R)

Asteroid Belt

Center: 2.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.9

Radius: 14.5

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.35 AU - 2.49 AU

Year: 2599 Days

Day: 6.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,868,898 km

• M1: 183,557 km (0.105 R)
• M2: 774,169 km (0.074 R)
• M3: 1,359,845 km (0.104 R)
• M4: 1,818,661 km (0.06 R)
• M5: 2,436,650 km (0.074 R)
• M6: 4,380,674 km (0.052 R)
• M7: 5,087,674 km (0.086 R)
• M8: 5,894,904 km (0.03 R)
• M9: 6,896,611 km (0.114 R)
• M10: 7,467,926 km (0.113 R)
• M11: 9,791,480 km (0.082 R)
• M12: 11,390,382 km (0.117 R)
• M13: 12,190,730 km (0.058 R)
• M14: 14,219,876 km (0.107 R)
• M15: 15,243,275 km (0.055 R)
• M16: 16,616,284 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.9

Radius: 10.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.13 AU - 5.39 AU

Year: 7168 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,868,898 km

• M1: 133,292 km (0.104 R)
• M2: 717,920 km (0.081 R)
• M3: 1,416,991 km (0.097 R)
• M4: 2,099,905 km (0.099 R)
• M5: 3,176,262 km (0.115 R)
• M6: 3,804,872 km (0.119 R)
• M7: 4,837,397 km (0.118 R)
• M8: 5,337,203 km (0.112 R)
• M9: 5,784,650 km (0.112 R)
• M10: 6,596,518 km (0.111 R)
• M11: 7,517,143 km (0.076 R)
• M12: 7,865,856 km (0.08 R)
• M13: 8,558,494 km (0.048 R)
• M14: 9,172,893 km (0.118 R)
• M15: 9,775,323 km (0.094 R)
• M16: 10,149,318 km (0.047 R)
• M17: 10,882,048 km (0.068 R)
• M18: 11,283,868 km (0.093 R)
• M19: 12,695,773 km (0.104 R)
• M20: 13,751,934 km (0.099 R)
• M21: 14,169,312 km (0.061 R)
• M22: 15,305,508 km (0.109 R)
• M23: 18,191,101 km (0.113 R)
• M24: 20,733,218 km (0.109 R)
• M25: 21,421,368 km (0.12 R)
• M26: 23,355,519 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.5

Radius: 13.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.45 AU - 6.09 AU

Year: 8351 Days

Day: 5.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,868,898 km

• M1: 163,211 km (0.068 R)
• M2: 761,453 km (0.078 R)
• M3: 1,191,547 km (0.066 R)
• M4: 1,638,097 km (0.085 R)
• M5: 2,123,542 km (0.092 R)
• M6: 4,263,988 km (0.06 R)
• M7: 5,141,828 km (0.098 R)
• M8: 6,105,987 km (0.118 R)
• M9: 7,361,412 km (0.119 R)
• M10: 8,942,063 km (0.088 R)
• M11: 11,013,694 km (0.104 R)
• M12: 11,818,830 km (0.12 R)
• M13: 12,662,861 km (0.072 R)
• M14: 19,737,045 km (0.053 R)
• M15: 22,607,829 km (0.109 R)
• M16: 25,992,929 km (0.075 R)
• M17: 28,986,981 km (0.056 R)
• M18: 30,982,467 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.8

Radius: 9.2

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.23 AU - 5.79 AU

Year: 8928 Days

Day: 8.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,868,898 km

• M1: 114,742 km (0.094 R)
• M2: 439,668 km (0.107 R)
• M3: 865,872 km (0.071 R)
• M4: 1,217,577 km (0.074 R)
• M5: 1,572,274 km (0.094 R)
• M6: 2,218,985 km (0.111 R)
• M7: 2,659,850 km (0.113 R)
• M8: 4,833,657 km (0.117 R)
• M9: 6,327,541 km (0.103 R)
• M10: 8,188,090 km (0.094 R)
• M11: 8,516,457 km (0.118 R)
• M12: 9,155,988 km (0.094 R)
• M13: 9,690,352 km (0.116 R)
• M14: 10,530,643 km (0.074 R)
• M15: 12,463,298 km (0.102 R)
• M16: 14,621,247 km (0.118 R)
• M17: 15,351,434 km (0.116 R)
• M18: 15,851,690 km (0.025 R)
• M19: 17,417,830 km (0.05 R)
• M20: 18,030,882 km (0.096 R)
• M21: 22,015,571 km (0.035 R)
• M22: 24,380,563 km (0.114 R)
• M23: 25,580,787 km (0.095 R)
• M24: 30,189,598 km (0.054 R)
• M25: 31,572,930 km (0.11 R)
• M26: 31,975,797 km (0.102 R)
• M27: 32,997,999 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 12,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit