🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116

Radius: 14.3

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.56 AU - 0.66 AU

Year: 335 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,735,503 km

• M1: 178,171 km (0.115 R)
• M2: 632,949 km (0.106 R)
• M3: 1,188,705 km (0.07 R)
• M4: 1,640,939 km (0.116 R)
• M5: 2,165,280 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.6

Radius: 11.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.52 AU - 0.78 AU

Year: 368 Days

Day: 9.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,735,503 km

• M1: 145,559 km (0.104 R)
• M2: 553,213 km (0.116 R)
• M3: 957,127 km (0.073 R)
• M4: 1,326,185 km (0.05 R)
• M5: 1,690,007 km (0.045 R)
• M6: 2,210,159 km (0.082 R)
• M7: 2,720,587 km (0.094 R)
• M8: 3,396,320 km (0.054 R)
• M9: 4,455,025 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 10.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.64 AU - 0.68 AU

Year: 377 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,735,503 km

• M1: 128,056 km (0.117 R)
• M2: 676,781 km (0.106 R)
• M3: 1,129,464 km (0.114 R)
• M4: 1,537,417 km (0.081 R)
• M5: 2,145,981 km (0.117 R)
• M6: 2,468,365 km (0.107 R)
• M7: 2,789,551 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 10

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.85 AU - 1.11 AU

Year: 682 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,735,503 km

• M1: 124,316 km (0.076 R)
• M2: 516,711 km (0.101 R)
• M3: 890,706 km (0.072 R)
• M4: 1,306,139 km (0.069 R)
• M5: 2,602,405 km (0.118 R)
• M6: 2,972,360 km (0.038 R)
• M7: 3,313,742 km (0.096 R)
• M8: 3,861,420 km (0.037 R)
• M9: 4,421,814 km (0.119 R)
• M10: 4,754,220 km (0.057 R)
• M11: 5,541,554 km (0.079 R)
• M12: 5,966,561 km (0.089 R)
• M13: 6,594,125 km (0.053 R)
• M14: 7,461,792 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 9.5

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.08 AU - 1.62 AU

Year: 1103 Days

Day: 9.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,735,503 km

• M1: 118,182 km (0.114 R)
• M2: 454,478 km (0.067 R)
• M3: 1,078,152 km (0.117 R)
• M4: 1,418,038 km (0.079 R)
• M5: 1,766,302 km (0.063 R)
• M6: 2,375,465 km (0.078 R)
• M7: 2,846,698 km (0.072 R)
• M8: 3,745,332 km (0.111 R)
• M9: 4,121,421 km (0.058 R)
• M10: 4,591,907 km (0.092 R)
• M11: 5,345,282 km (0.096 R)
• M12: 5,721,371 km (0.113 R)
• M13: 6,438,543 km (0.106 R)
• M14: 6,956,750 km (0.087 R)
• M15: 7,551,551 km (0.12 R)
• M16: 8,335,593 km (0.103 R)
• M17: 9,284,941 km (0.107 R)
• M18: 9,684,218 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 11.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.51 AU - 2.23 AU

Year: 1798 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,735,503 km

• M1: 140,472 km (0.077 R)
• M2: 556,504 km (0.064 R)
• M3: 939,774 km (0.081 R)
• M4: 1,386,323 km (0.099 R)
• M5: 1,770,491 km (0.103 R)
• M6: 2,150,769 km (0.104 R)
• M7: 2,672,267 km (0.088 R)
• M8: 3,234,156 km (0.036 R)
• M9: 3,889,545 km (0.064 R)
• M10: 4,345,070 km (0.059 R)
• M11: 5,994,985 km (0.093 R)
• M12: 6,581,558 km (0.087 R)
• M13: 6,985,473 km (0.079 R)
• M14: 7,764,877 km (0.11 R)
• M15: 9,289,280 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 8.1

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.44 AU - 2.88 AU

Year: 3050 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,735,503 km

• M1: 100,829 km (0.084 R)
• M2: 379,979 km (0.065 R)
• M3: 683,064 km (0.084 R)
• M4: 1,329,775 km (0.09 R)
• M5: 1,651,710 km (0.114 R)
• M6: 2,052,333 km (0.119 R)
• M7: 2,334,774 km (0.112 R)
• M8: 2,757,538 km (0.076 R)
• M9: 5,573,119 km (0.087 R)
• M10: 6,041,959 km (0.056 R)
• M11: 6,300,614 km (0.063 R)
• M12: 6,778,878 km (0.071 R)
• M13: 8,184,649 km (0.085 R)
• M14: 10,375,360 km (0.099 R)
• M15: 13,653,199 km (0.084 R)
• M16: 14,866,139 km (0.041 R)
• M17: 16,370,196 km (0.109 R)
• M18: 17,273,917 km (0.091 R)
• M19: 19,242,026 km (0.112 R)
• M20: 20,120,614 km (0.11 R)
• M21: 20,960,008 km (0.111 R)
• M22: 21,621,380 km (0.113 R)
• M23: 22,228,598 km (0.104 R)
• M24: 23,125,587 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.1

Radius: 8.5

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.97 AU - 3.43 AU

Year: 4024 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,735,503 km

• M1: 105,766 km (0.114 R)
• M2: 392,395 km (0.107 R)
• M3: 890,706 km (0.034 R)
• M4: 1,473,389 km (0.115 R)
• M5: 1,798,017 km (0.074 R)
• M6: 2,414,809 km (0.049 R)
• M7: 3,070,945 km (0.119 R)
• M8: 3,605,907 km (0.078 R)
• M9: 4,086,565 km (0.029 R)
• M10: 4,535,508 km (0.072 R)
• M11: 4,887,063 km (0.102 R)
• M12: 6,604,596 km (0.117 R)
• M13: 6,925,783 km (0.077 R)
• M14: 9,434,240 km (0.087 R)
• M15: 10,390,021 km (0.11 R)
• M16: 11,181,842 km (0.091 R)
• M17: 11,500,486 km (0.091 R)
• M18: 13,085,027 km (0.087 R)
• M19: 14,113,213 km (0.107 R)
• M20: 14,701,282 km (0.076 R)
• M21: 16,040,931 km (0.074 R)
• M22: 17,951,146 km (0.109 R)
• M23: 18,262,758 km (0.102 R)
• M24: 19,284,362 km (0.064 R)
• M25: 19,875,424 km (0.109 R)
• M26: 20,682,205 km (0.12 R)
• M27: 22,867,531 km (0.104 R)
• M28: 23,307,498 km (0.087 R)
• M29: 24,204,636 km (0.09 R)
• M30: 25,593,054 km (0.099 R)
• M31: 26,387,120 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.4

Radius: 4.3

Gravity: 45.72 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.74 AU - 7.02 AU

Year: 12685 Days

Day: 23.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,735,503 km

• M1: 54,005 km (0.076 R)
• M2: 277,654 km (0.111 R)
• M3: 472,879 km (0.117 R)
• M4: 660,175 km (0.054 R)
• M5: 1,225,207 km (0.102 R)
• M6: 2,044,554 km (0.085 R)
• M7: 2,216,741 km (0.045 R)
• M8: 2,525,362 km (0.07 R)
• M9: 2,885,444 km (0.11 R)
• M10: 3,679,509 km (0.118 R)
• M11: 4,707,097 km (0.082 R)
• M12: 5,111,610 km (0.086 R)
• M13: 5,322,243 km (0.063 R)
• M14: 5,836,561 km (0.111 R)
• M15: 6,920,846 km (0.096 R)
• M16: 9,168,255 km (0.116 R)
• M17: 9,637,843 km (0.116 R)
• M18: 12,479,454 km (0.117 R)
• M19: 13,251,828 km (0.047 R)
• M20: 13,716,778 km (0.034 R)
• M21: 20,174,170 km (0.084 R)
• M22: 20,612,193 km (0.077 R)
• M23: 21,872,405 km (0.082 R)
• M24: 22,897,899 km (0.115 R)
• M25: 26,792,081 km (0.027 R)
• M26: 29,061,182 km (0.101 R)
• M27: 33,486,885 km (0.111 R)
• M28: 33,977,416 km (0.118 R)
• M29: 34,847,178 km (0.032 R)
• M30: 35,731,751 km (0.091 R)
• M31: 37,413,979 km (0.083 R)
• M32: 39,556,071 km (0.063 R)
• M33: 39,829,386 km (0.066 R)
• M34: 42,632,850 km (0.107 R)
• M35: 45,564,968 km (0.045 R)
• M36: 48,628,733 km (0.09 R)
• M37: 49,415,468 km (0.059 R)
• M38: 52,154,306 km (0.043 R)
• M39: 54,653,338 km (0.05 R)
• M40: 56,882,795 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.2

Radius: 6.7

Gravity: 21.81 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.36 AU - 8.98 AU

Year: 17945 Days

Day: 17.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,735,503 km

• M1: 83,476 km (0.09 R)
• M2: 397,482 km (0.083 R)
• M3: 759,508 km (0.072 R)
• M4: 1,143,676 km (0.104 R)
• M5: 1,358,049 km (0.066 R)
• M6: 1,651,112 km (0.105 R)
• M7: 2,086,890 km (0.114 R)
• M8: 2,456,247 km (0.106 R)
• M9: 3,269,611 km (0.059 R)
• M10: 3,616,828 km (0.054 R)
• M11: 4,664,312 km (0.114 R)
• M12: 5,735,283 km (0.073 R)
• M13: 6,776,335 km (0.116 R)
• M14: 7,586,258 km (0.071 R)
• M15: 8,195,719 km (0.088 R)
• M16: 8,947,449 km (0.101 R)
• M17: 9,627,521 km (0.036 R)
• M18: 10,649,274 km (0.119 R)
• M19: 13,996,676 km (0.113 R)
• M20: 16,946,447 km (0.082 R)
• M21: 17,202,259 km (0.103 R)
• M22: 18,520,815 km (0.088 R)
• M23: 19,811,096 km (0.097 R)
• M24: 21,160,020 km (0.094 R)
• M25: 32,622,658 km (0.107 R)
• M26: 42,728,144 km (0.087 R)
• M27: 45,627,351 km (0.084 R)
• M28: 47,971,100 km (0.095 R)
• M29: 48,827,249 km (0.097 R)
• M30: 49,868,001 km (0.078 R)
• M31: 50,393,988 km (0.1 R)
• M32: 50,746,590 km (0.119 R)
• M33: 56,235,635 km (0.073 R)
• M34: 57,956,459 km (0.119 R)
• M35: 60,304,996 km (0.062 R)
• M36: 60,702,478 km (0.12 R)
• M37: 62,920,116 km (0.089 R)
• M38: 70,774,902 km (0.098 R)
• M39: 77,839,063 km (0.055 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 15,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit