🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.3

Radius: 13.1

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 14.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 81,416,919 km

• M1: 162,912 km (0.111 R)
• M2: 573,409 km (0.075 R)
• M3: 1,175,690 km (0.083 R)
• M4: 1,906,326 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 8.8

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.56 AU - 0.72 AU

Year: 341 Days

Day: 14.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,416,919 km

• M1: 109,506 km (0.036 R)
• M2: 390,600 km (0.084 R)
• M3: 671,994 km (0.073 R)
• M4: 957,875 km (0.082 R)
• M5: 1,321,248 km (0.077 R)
• M6: 1,889,421 km (0.115 R)
• M7: 2,367,985 km (0.062 R)
• M8: 2,750,506 km (0.066 R)
• M9: 3,401,856 km (0.105 R)
• M10: 3,751,765 km (0.073 R)
• M11: 4,179,017 km (0.103 R)
• M12: 4,595,347 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.9

Radius: 14.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.94 AU - 1.4 AU

Year: 844 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,416,919 km

• M1: 177,872 km (0.116 R)
• M2: 652,696 km (0.083 R)
• M3: 1,262,756 km (0.096 R)
• M4: 1,772,436 km (0.105 R)
• M5: 2,473,152 km (0.035 R)
• M6: 2,954,708 km (0.109 R)
• M7: 3,406,194 km (0.094 R)
• M8: 3,889,844 km (0.115 R)
• M9: 4,860,584 km (0.115 R)
• M10: 5,606,180 km (0.067 R)
• M11: 6,325,148 km (0.109 R)
• M12: 7,416,464 km (0.106 R)
• M13: 8,114,936 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458

Radius: 11

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.28 AU - 1.6 AU

Year: 1152 Days

Day: 7.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,416,919 km

• M1: 136,882 km (0.039 R)
• M2: 495,019 km (0.113 R)
• M3: 1,159,533 km (0.1 R)
• M4: 2,304,406 km (0.059 R)
• M5: 3,494,157 km (0.085 R)
• M6: 3,944,597 km (0.114 R)
• M7: 4,484,795 km (0.078 R)
• M8: 5,377,445 km (0.083 R)
• M9: 5,897,148 km (0.042 R)
• M10: 6,472,053 km (0.055 R)
• M11: 7,060,571 km (0.101 R)
• M12: 8,010,218 km (0.079 R)
• M13: 9,349,568 km (0.084 R)
• M14: 9,808,235 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.6

Radius: 10.8

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.62 AU - 2.06 AU

Year: 1664 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 58.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,416,919 km

• M1: 134,339 km (0.098 R)
• M2: 491,130 km (0.085 R)
• M3: 915,689 km (0.066 R)
• M4: 1,459,477 km (0.029 R)
• M5: 1,859,502 km (0.113 R)
• M6: 2,307,996 km (0.066 R)
• M7: 2,687,825 km (0.051 R)
• M8: 3,508,070 km (0.115 R)
• M9: 4,586,521 km (0.12 R)
• M10: 5,944,870 km (0.077 R)
• M11: 7,554,692 km (0.053 R)
• M12: 8,042,830 km (0.12 R)
• M13: 9,634,851 km (0.073 R)
• M14: 10,347,984 km (0.09 R)
• M15: 10,986,916 km (0.067 R)
• M16: 11,879,417 km (0.028 R)
• M17: 14,496,034 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 12.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.98 AU - 3.24 AU

Year: 2812 Days

Day: 14.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,416,919 km

• M1: 154,235 km (0.1 R)
• M2: 856,597 km (0.108 R)
• M3: 1,248,544 km (0.1 R)
• M4: 1,745,358 km (0.084 R)
• M5: 2,854,776 km (0.095 R)
• M6: 3,295,342 km (0.114 R)
• M7: 4,120,075 km (0.084 R)
• M8: 6,019,070 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.2

Radius: 12.1

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.68 AU - 3.56 AU

Year: 3675 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,416,919 km

• M1: 157,377 km (0.117 R)
• M2: 575,653 km (0.104 R)
• M3: 1,054,216 km (0.109 R)
• M4: 1,500,467 km (0.097 R)
• M5: 1,888,374 km (0.078 R)
• M6: 3,122,856 km (0.081 R)
• M7: 3,608,301 km (0.066 R)
• M8: 4,630,503 km (0.108 R)
• M9: 5,209,596 km (0.095 R)
• M10: 6,016,078 km (0.109 R)
• M11: 7,356,774 km (0.05 R)
• M12: 7,925,994 km (0.114 R)
• M13: 8,627,160 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.1

Radius: 6.6

Gravity: 22.66 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 5.6 AU - 7.9 AU

Year: 11695 Days

Day: 21.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,416,919 km

• M1: 82,428 km (0.073 R)
• M2: 296,952 km (0.092 R)
• M3: 599,139 km (0.032 R)
• M4: 1,136,944 km (0.081 R)
• M5: 1,702,424 km (0.111 R)
• M6: 1,922,333 km (0.12 R)
• M7: 2,161,390 km (0.095 R)
• M8: 2,677,353 km (0.104 R)
• M9: 2,928,977 km (0.067 R)
• M10: 4,218,361 km (0.101 R)
• M11: 4,920,573 km (0.089 R)
• M12: 5,514,477 km (0.116 R)
• M13: 5,961,774 km (0.083 R)
• M14: 6,595,471 km (0.118 R)
• M15: 7,628,893 km (0.092 R)
• M16: 8,327,365 km (0.12 R)
• M17: 10,678,146 km (0.106 R)
• M18: 12,851,654 km (0.074 R)
• M19: 13,838,551 km (0.103 R)
• M20: 16,186,041 km (0.096 R)
• M21: 17,572,215 km (0.07 R)
• M22: 18,621,345 km (0.068 R)
• M23: 21,021,792 km (0.041 R)
• M24: 22,018,862 km (0.043 R)
• M25: 23,911,574 km (0.051 R)
• M26: 25,198,565 km (0.109 R)
• M27: 27,480,530 km (0.101 R)
• M28: 28,017,736 km (0.113 R)
• M29: 29,671,391 km (0.049 R)
• M30: 29,896,686 km (0.101 R)
• M31: 32,212,909 km (0.111 R)
• M32: 45,456,211 km (0.055 R)
• M33: 48,354,819 km (0.066 R)
• M34: 57,435,858 km (0.109 R)
• M35: 59,916,341 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.2

Radius: 3.7

Gravity: 57.79 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.55 AU - 7.77 AU

Year: 12776 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,416,919 km

• M1: 46,076 km (0.035 R)
• M2: 241,750 km (0.106 R)
• M3: 526,435 km (0.104 R)
• M4: 642,373 km (0.091 R)
• M5: 863,928 km (0.081 R)
• M6: 1,843,046 km (0.082 R)
• M7: 2,134,014 km (0.104 R)
• M8: 2,561,265 km (0.05 R)
• M9: 3,067,504 km (0.079 R)
• M10: 3,448,979 km (0.109 R)
• M11: 3,918,716 km (0.075 R)
• M12: 5,330,621 km (0.081 R)
• M13: 11,353,431 km (0.101 R)
• M14: 11,590,544 km (0.098 R)
• M15: 11,891,684 km (0.077 R)
• M16: 13,148,755 km (0.106 R)
• M17: 13,608,769 km (0.094 R)
• M18: 14,215,986 km (0.105 R)
• M19: 14,630,672 km (0.047 R)
• M20: 15,775,993 km (0.117 R)
• M21: 15,923,197 km (0.103 R)
• M22: 17,134,342 km (0.062 R)
• M23: 23,636,015 km (0.102 R)
• M24: 25,007,977 km (0.06 R)
• M25: 28,449,925 km (0.099 R)
• M26: 28,997,602 km (0.112 R)
• M27: 29,329,560 km (0.051 R)
• M28: 30,340,543 km (0.069 R)
• M29: 30,568,231 km (0.086 R)
• M30: 32,550,701 km (0.087 R)
• M31: 35,492,843 km (0.103 R)
• M32: 40,920,403 km (0.077 R)
• M33: 41,477,655 km (0.115 R)
• M34: 44,781,225 km (0.095 R)
• M35: 46,572,360 km (0.079 R)
• M36: 51,258,065 km (0.067 R)
• M37: 54,550,564 km (0.061 R)
• M38: 55,056,205 km (0.1 R)
• M39: 57,110,334 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 792.3

Radius: 7.3

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.11 AU - 10.57 AU

Year: 20584 Days

Day: 17.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,416,919 km

• M1: 90,806 km (0.095 R)
• M2: 359,783 km (0.119 R)
• M3: 589,116 km (0.093 R)
• M4: 1,004,849 km (0.102 R)
• M5: 2,013,288 km (0.074 R)
• M6: 2,330,735 km (0.071 R)
• M7: 2,681,392 km (0.074 R)
• M8: 3,203,339 km (0.106 R)
• M9: 3,791,109 km (0.051 R)
• M10: 4,659,824 km (0.109 R)
• M11: 4,952,138 km (0.111 R)
• M12: 5,778,218 km (0.09 R)
• M13: 6,073,075 km (0.081 R)
• M14: 7,305,762 km (0.109 R)
• M15: 7,751,414 km (0.09 R)
• M16: 9,835,611 km (0.09 R)
• M17: 15,390,928 km (0.064 R)
• M18: 16,878,529 km (0.089 R)
• M19: 17,482,157 km (0.087 R)
• M20: 18,099,996 km (0.098 R)
• M21: 19,379,507 km (0.095 R)
• M22: 20,041,328 km (0.11 R)
• M23: 23,471,756 km (0.057 R)
• M24: 24,770,415 km (0.079 R)
• M25: 25,102,373 km (0.036 R)
• M26: 27,747,263 km (0.107 R)
• M27: 33,718,612 km (0.067 R)
• M28: 34,813,668 km (0.11 R)
• M29: 36,643,250 km (0.07 R)
• M30: 37,074,392 km (0.106 R)
• M31: 38,684,214 km (0.063 R)
• M32: 43,150,907 km (0.09 R)
• M33: 45,590,849 km (0.097 R)
• M34: 48,984,925 km (0.052 R)
• M35: 56,080,951 km (0.084 R)
• M36: 60,972,651 km (0.076 R)
• M37: 69,597,866 km (0.039 R)
• M38: 74,085,653 km (0.096 R)
• M39: 75,236,958 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 15,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit