🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.44 AU - 0.58 AU

Year: 232 Days

Day: 21.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,148,946 km

• M1: 204,500 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 10.9

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.86 AU - 1.02 AU

Year: 579 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,148,946 km

• M1: 135,835 km (0.101 R)
• M2: 480,209 km (0.1 R)
• M3: 966,701 km (0.087 R)
• M4: 1,362,837 km (0.115 R)
• M5: 1,783,506 km (0.105 R)
• M6: 2,429,619 km (0.061 R)
• M7: 2,860,610 km (0.09 R)
• M8: 3,377,920 km (0.035 R)
• M9: 4,645,612 km (0.047 R)
• M10: 5,363,084 km (0.047 R)
• M11: 5,939,634 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.2

Radius: 13

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.74 AU - 1.22 AU

Year: 617 Days

Day: 11.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,148,946 km

• M1: 164,707 km (0.104 R)
• M2: 618,587 km (0.064 R)
• M3: 1,180,477 km (0.087 R)
• M4: 1,599,052 km (0.107 R)
• M5: 2,047,097 km (0.053 R)
• M6: 2,645,489 km (0.07 R)
• M7: 3,161,153 km (0.1 R)
• M8: 3,841,075 km (0.099 R)
• M9: 4,575,002 km (0.095 R)
• M10: 5,200,471 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663

Radius: 14.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.3 AU - 1.5 AU

Year: 1053 Days

Day: 6.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,148,946 km

• M1: 185,352 km (0.061 R)
• M2: 650,152 km (0.104 R)
• M3: 1,157,439 km (0.092 R)
• M4: 1,821,204 km (0.051 R)
• M5: 2,340,758 km (0.092 R)
• M6: 2,845,352 km (0.105 R)
• M7: 3,394,675 km (0.114 R)
• M8: 4,603,426 km (0.04 R)
• M9: 5,444,914 km (0.109 R)
• M10: 6,147,126 km (0.085 R)
• M11: 6,678,797 km (0.053 R)
• M12: 8,143,958 km (0.032 R)
• M13: 8,622,971 km (0.099 R)
• M14: 9,434,539 km (0.103 R)
• M15: 10,235,337 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.1

Radius: 13.9

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.39 AU - 1.51 AU

Year: 1110 Days

Day: 5.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,148,946 km

• M1: 172,935 km (0.042 R)
• M2: 614,698 km (0.052 R)
• M3: 1,061,098 km (0.096 R)
• M4: 1,728,753 km (0.069 R)
• M5: 2,413,014 km (0.104 R)
• M6: 2,901,750 km (0.114 R)
• M7: 3,939,062 km (0.117 R)
• M8: 4,466,095 km (0.109 R)
• M9: 4,928,951 km (0.107 R)
• M10: 6,403,387 km (0.027 R)
• M11: 7,571,747 km (0.094 R)
• M12: 8,103,118 km (0.102 R)
• M13: 8,988,438 km (0.06 R)
• M14: 10,177,143 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.6

Radius: 13.5

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.05 AU - 4.19 AU

Year: 4379 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,148,946 km

• M1: 171,290 km (0.087 R)
• M2: 611,107 km (0.067 R)
• M3: 1,164,470 km (0.12 R)
• M4: 1,734,587 km (0.098 R)
• M5: 2,366,489 km (0.051 R)
• M6: 2,830,541 km (0.097 R)
• M7: 3,796,944 km (0.062 R)
• M8: 5,229,792 km (0.052 R)
• M9: 5,826,837 km (0.119 R)
• M10: 6,469,210 km (0.107 R)
• M11: 7,689,779 km (0.098 R)
• M12: 8,945,055 km (0.118 R)
• M13: 9,366,622 km (0.091 R)
• M14: 11,143,845 km (0.111 R)
• M15: 12,796,751 km (0.095 R)
• M16: 14,503,065 km (0.098 R)
• M17: 15,032,641 km (0.095 R)
• M18: 16,130,540 km (0.046 R)
• M19: 16,872,396 km (0.103 R)
• M20: 17,636,991 km (0.1 R)
• M21: 18,609,526 km (0.09 R)
• M22: 19,810,498 km (0.058 R)
• M23: 21,400,574 km (0.094 R)
• M24: 22,860,499 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.4

Radius: 14.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.99 AU - 5.19 AU

Year: 7301 Days

Day: 10.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,148,946 km

• M1: 175,329 km (0.119 R)
• M2: 614,698 km (0.112 R)
• M3: 1,311,225 km (0.118 R)
• M4: 1,999,675 km (0.099 R)
• M5: 2,461,184 km (0.104 R)
• M6: 3,125,698 km (0.107 R)
• M7: 3,626,552 km (0.045 R)
• M8: 5,461,818 km (0.117 R)
• M9: 6,285,803 km (0.094 R)
• M10: 7,782,530 km (0.097 R)
• M11: 8,293,556 km (0.114 R)
• M12: 8,904,963 km (0.094 R)
• M13: 10,304,750 km (0.042 R)
• M14: 11,239,886 km (0.102 R)
• M15: 20,798,293 km (0.07 R)
• M16: 22,730,499 km (0.088 R)
• M17: 24,083,462 km (0.1 R)
• M18: 26,293,920 km (0.115 R)
• M19: 27,364,891 km (0.117 R)
• M20: 27,868,887 km (0.096 R)
• M21: 28,809,109 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.8

Radius: 3.5

Gravity: 58.02 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 5.22 AU - 8.2 AU

Year: 11051 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,148,946 km

• M1: 43,533 km (0.048 R)
• M2: 674,088 km (0.108 R)
• M3: 902,973 km (0.073 R)
• M4: 1,822,700 km (0.051 R)
• M5: 2,134,911 km (0.051 R)
• M6: 2,284,808 km (0.092 R)
• M7: 3,410,532 km (0.098 R)
• M8: 3,563,571 km (0.066 R)
• M9: 3,856,035 km (0.105 R)
• M10: 4,164,206 km (0.082 R)
• M11: 4,428,396 km (0.116 R)
• M12: 4,703,656 km (0.116 R)
• M13: 4,861,482 km (0.104 R)
• M14: 5,154,395 km (0.116 R)
• M15: 5,668,563 km (0.048 R)
• M16: 5,919,737 km (0.105 R)
• M17: 6,216,091 km (0.107 R)
• M18: 6,639,303 km (0.086 R)
• M19: 6,798,026 km (0.119 R)
• M20: 7,500,388 km (0.046 R)
• M21: 8,479,656 km (0.076 R)
• M22: 8,666,504 km (0.115 R)
• M23: 10,851,082 km (0.101 R)
• M24: 11,407,137 km (0.037 R)
• M25: 11,923,698 km (0.076 R)
• M26: 12,276,450 km (0.081 R)
• M27: 13,886,273 km (0.06 R)
• M28: 14,276,873 km (0.044 R)
• M29: 15,147,981 km (0.062 R)
• M30: 15,701,493 km (0.109 R)
• M31: 17,069,566 km (0.045 R)
• M32: 17,517,611 km (0.117 R)
• M33: 23,246,911 km (0.061 R)
• M34: 24,356,029 km (0.078 R)
• M35: 28,619,868 km (0.025 R)
• M36: 30,872,064 km (0.112 R)
• M37: 39,357,853 km (0.041 R)
• M38: 42,272,170 km (0.059 R)
• M39: 42,953,887 km (0.09 R)
• M40: 47,053,766 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.3

Radius: 7.1

Gravity: 19.66 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.47 AU - 9.65 AU

Year: 15924 Days

Day: 15.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,148,946 km

• M1: 105,018 km (0.055 R)
• M2: 327,619 km (0.071 R)
• M3: 1,256,024 km (0.062 R)
• M4: 1,525,749 km (0.105 R)
• M5: 1,797,718 km (0.047 R)
• M6: 2,204,175 km (0.12 R)
• M7: 2,670,322 km (0.047 R)
• M8: 3,591,246 km (0.101 R)
• M9: 3,982,445 km (0.059 R)
• M10: 4,302,285 km (0.091 R)
• M11: 4,849,813 km (0.047 R)
• M12: 6,421,638 km (0.119 R)
• M13: 7,706,235 km (0.089 R)
• M14: 8,203,947 km (0.107 R)
• M15: 10,057,614 km (0.097 R)
• M16: 12,108,003 km (0.076 R)
• M17: 14,421,684 km (0.104 R)
• M18: 14,720,879 km (0.084 R)
• M19: 16,118,423 km (0.111 R)
• M20: 17,265,090 km (0.081 R)
• M21: 18,552,829 km (0.113 R)
• M22: 20,088,152 km (0.107 R)
• M23: 22,099,495 km (0.095 R)
• M24: 25,963,458 km (0.092 R)
• M25: 34,461,515 km (0.089 R)
• M26: 37,754,763 km (0.101 R)
• M27: 38,466,400 km (0.112 R)
• M28: 39,477,532 km (0.094 R)
• M29: 41,252,062 km (0.108 R)
• M30: 43,544,051 km (0.082 R)
• M31: 44,012,442 km (0.088 R)
• M32: 44,642,099 km (0.111 R)
• M33: 45,277,890 km (0.067 R)
• M34: 46,730,336 km (0.119 R)
• M35: 57,215,501 km (0.111 R)
• M36: 58,154,078 km (0.104 R)
• M37: 66,653,331 km (0.117 R)
• M38: 68,531,383 km (0.12 R)
• M39: 70,016,142 km (0.115 R)
• M40: 71,089,656 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293

Radius: 4.6

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.72 AU - 13.58 AU

Year: 23673 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,148,946 km

• M1: 58,792 km (0.066 R)
• M2: 739,612 km (0.111 R)
• M3: 2,532,094 km (0.073 R)
• M4: 3,356,527 km (0.091 R)
• M5: 3,518,841 km (0.097 R)
• M6: 5,152,899 km (0.118 R)
• M7: 5,781,509 km (0.118 R)
• M8: 7,783,727 km (0.108 R)
• M9: 8,609,208 km (0.087 R)
• M10: 13,220,263 km (0.102 R)
• M11: 17,739,764 km (0.111 R)
• M12: 24,380,264 km (0.078 R)
• M13: 31,417,498 km (0.104 R)
• M14: 32,626,697 km (0.099 R)
• M15: 53,460,893 km (0.042 R)
• M16: 56,231,596 km (0.075 R)
• M17: 60,379,795 km (0.076 R)
• M18: 61,869,191 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 12,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit