🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.2

Radius: 12.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.43 AU - 0.59 AU

Year: 247 Days

Day: 8.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,504,569 km

• M1: 154,385 km (0.102 R)
• M2: 642,224 km (0.084 R)
• M3: 1,145,770 km (0.102 R)
• M4: 1,943,725 km (0.11 R)
• M5: 2,931,520 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.9

Radius: 9.7

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.24 AU - 1.3 AU

Year: 971 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,504,569 km

• M1: 120,576 km (0.109 R)
• M2: 518,656 km (0.093 R)
• M3: 936,483 km (0.099 R)
• M4: 1,711,998 km (0.096 R)
• M5: 2,128,479 km (0.053 R)
• M6: 2,756,191 km (0.055 R)
• M7: 3,235,503 km (0.118 R)
• M8: 3,861,570 km (0.106 R)
• M9: 4,195,771 km (0.118 R)
• M10: 7,223,932 km (0.116 R)
• M11: 8,797,252 km (0.091 R)
• M12: 9,520,708 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.9

Radius: 13.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.9 AU - 2.2 AU

Year: 1991 Days

Day: 8.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,504,569 km

• M1: 163,062 km (0.106 R)
• M2: 780,602 km (0.118 R)
• M3: 1,367,325 km (0.115 R)
• M4: 3,180,900 km (0.094 R)
• M5: 3,624,308 km (0.115 R)
• M6: 5,167,709 km (0.107 R)
• M7: 8,909,152 km (0.06 R)
• M8: 10,095,911 km (0.079 R)
• M9: 10,850,034 km (0.114 R)
• M10: 11,938,508 km (0.068 R)
• M11: 13,664,868 km (0.098 R)
• M12: 14,121,441 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.3

Radius: 8.4

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.99 AU - 2.25 AU

Year: 2094 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,504,569 km

• M1: 108,010 km (0.083 R)
• M2: 370,105 km (0.118 R)
• M3: 721,959 km (0.108 R)
• M4: 984,504 km (0.044 R)
• M5: 1,361,640 km (0.058 R)
• M6: 1,916,798 km (0.06 R)
• M7: 2,217,639 km (0.111 R)
• M8: 2,929,874 km (0.037 R)
• M9: 4,780,849 km (0.079 R)
• M10: 5,468,849 km (0.058 R)
• M11: 6,734,597 km (0.11 R)
• M12: 7,118,465 km (0.05 R)
• M13: 7,516,844 km (0.068 R)
• M14: 7,986,432 km (0.07 R)
• M15: 8,416,675 km (0.091 R)
• M16: 9,075,804 km (0.077 R)
• M17: 12,858,685 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.4

Radius: 8.4

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.86 AU - 3.16 AU

Year: 3542 Days

Day: 11.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,504,569 km

• M1: 104,569 km (0.115 R)
• M2: 401,221 km (0.103 R)
• M3: 682,465 km (0.074 R)
• M4: 974,331 km (0.078 R)
• M5: 1,371,364 km (0.094 R)
• M6: 2,478,538 km (0.078 R)
• M7: 2,914,316 km (0.116 R)
• M8: 4,184,252 km (0.065 R)
• M9: 4,558,397 km (0.034 R)
• M10: 5,135,396 km (0.066 R)
• M11: 5,845,387 km (0.118 R)
• M12: 7,128,189 km (0.112 R)
• M13: 8,405,456 km (0.118 R)
• M14: 10,491,747 km (0.1 R)
• M15: 11,860,269 km (0.109 R)
• M16: 12,138,371 km (0.093 R)
• M17: 13,145,913 km (0.117 R)
• M18: 13,847,976 km (0.073 R)
• M19: 14,680,787 km (0.111 R)
• M20: 15,001,525 km (0.099 R)
• M21: 16,791,763 km (0.05 R)
• M22: 17,859,143 km (0.079 R)
• M23: 20,591,100 km (0.044 R)
• M24: 22,512,684 km (0.109 R)
• M25: 23,444,230 km (0.119 R)
• M26: 24,476,007 km (0.075 R)
• M27: 25,003,040 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 10.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.87 AU - 5.59 AU

Year: 6977 Days

Day: 14.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,504,569 km

• M1: 135,536 km (0.093 R)
• M2: 506,239 km (0.051 R)
• M3: 855,550 km (0.08 R)
• M4: 1,855,911 km (0.11 R)
• M5: 2,252,794 km (0.104 R)
• M6: 2,670,621 km (0.109 R)
• M7: 3,469,025 km (0.093 R)
• M8: 3,959,407 km (0.101 R)
• M9: 4,650,250 km (0.106 R)
• M10: 7,423,495 km (0.083 R)
• M11: 8,513,016 km (0.105 R)
• M12: 9,408,509 km (0.054 R)
• M13: 9,966,360 km (0.032 R)
• M14: 11,148,482 km (0.115 R)
• M15: 12,421,859 km (0.053 R)
• M16: 12,780,744 km (0.111 R)
• M17: 13,735,328 km (0.103 R)
• M18: 16,760,497 km (0.051 R)
• M19: 17,517,013 km (0.103 R)
• M20: 19,302,314 km (0.076 R)
• M21: 25,878,487 km (0.075 R)
• M22: 26,464,911 km (0.069 R)
• M23: 28,720,398 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.7

Radius: 3.8

Gravity: 51.16 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 9.62 AU - 10.32 AU

Year: 21352 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,504,569 km

• M1: 47,871 km (0.082 R)
• M2: 177,722 km (0.033 R)
• M3: 769,831 km (0.099 R)
• M4: 1,993,092 km (0.047 R)
• M5: 2,290,942 km (0.118 R)
• M6: 2,569,044 km (0.051 R)
• M7: 2,691,565 km (0.07 R)
• M8: 2,869,437 km (0.051 R)
• M9: 3,277,241 km (0.082 R)
• M10: 3,911,386 km (0.083 R)
• M11: 4,342,826 km (0.101 R)
• M12: 4,768,582 km (0.042 R)
• M13: 6,168,818 km (0.11 R)
• M14: 6,891,974 km (0.091 R)
• M15: 8,343,522 km (0.076 R)
• M16: 8,887,909 km (0.087 R)
• M17: 10,916,306 km (0.108 R)
• M18: 13,306,132 km (0.082 R)
• M19: 13,525,891 km (0.046 R)
• M20: 16,355,086 km (0.117 R)
• M21: 16,607,308 km (0.09 R)
• M22: 18,175,244 km (0.084 R)
• M23: 21,201,309 km (0.116 R)
• M24: 25,210,682 km (0.067 R)
• M25: 27,629,380 km (0.109 R)
• M26: 33,729,383 km (0.115 R)
• M27: 34,411,998 km (0.04 R)
• M28: 34,687,707 km (0.078 R)
• M29: 35,664,132 km (0.078 R)
• M30: 36,230,211 km (0.098 R)
• M31: 43,176,937 km (0.098 R)
• M32: 48,846,398 km (0.087 R)
• M33: 62,244,084 km (0.05 R)
• M34: 66,844,368 km (0.068 R)
• M35: 69,227,163 km (0.11 R)
• M36: 77,656,853 km (0.1 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 18,680 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit