🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.1

Radius: 14.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.25 AU - 1.69 AU

Year: 1230 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,746,888 km

• M1: 179,069 km (0.068 R)
• M2: 674,238 km (0.116 R)
• M3: 1,234,930 km (0.093 R)
• M4: 1,874,013 km (0.061 R)
• M5: 2,410,022 km (0.116 R)
• M6: 3,330,946 km (0.113 R)
• M7: 3,902,709 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.4

Radius: 10.7

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.51 AU - 2.17 AU

Year: 1723 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,746,888 km

• M1: 133,142 km (0.119 R)
• M2: 497,413 km (0.112 R)
• M3: 883,375 km (0.115 R)
• M4: 1,344,137 km (0.033 R)
• M5: 2,083,450 km (0.083 R)
• M6: 2,677,353 km (0.058 R)
• M7: 3,102,061 km (0.095 R)
• M8: 3,831,650 km (0.065 R)
• M9: 4,424,955 km (0.07 R)
• M10: 4,928,053 km (0.061 R)
• M11: 6,027,597 km (0.034 R)
• M12: 6,901,399 km (0.084 R)
• M13: 7,455,210 km (0.1 R)
• M14: 8,761,498 km (0.102 R)
• M15: 9,732,987 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90

Radius: 11.6

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.19 AU - 4.35 AU

Year: 6091 Days

Day: 9.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,746,888 km

• M1: 145,260 km (0.064 R)
• M2: 541,993 km (0.115 R)
• M3: 2,434,107 km (0.066 R)
• M4: 2,909,080 km (0.061 R)
• M5: 4,548,523 km (0.067 R)
• M6: 5,001,506 km (0.118 R)
• M7: 6,706,772 km (0.03 R)
• M8: 9,440,972 km (0.095 R)
• M9: 10,695,649 km (0.105 R)
• M10: 12,221,248 km (0.068 R)
• M11: 13,709,897 km (0.115 R)
• M12: 16,789,519 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.3

Radius: 4.2

Gravity: 52.91 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.53 AU - 6.23 AU

Year: 9842 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,746,888 km

• M1: 53,107 km (0.052 R)
• M2: 588,967 km (0.12 R)
• M3: 824,733 km (0.071 R)
• M4: 1,029,682 km (0.111 R)
• M5: 1,320,052 km (0.069 R)
• M6: 2,866,594 km (0.114 R)
• M7: 4,618,685 km (0.118 R)
• M8: 5,505,501 km (0.075 R)
• M9: 6,578,566 km (0.102 R)
• M10: 7,827,709 km (0.089 R)
• M11: 9,779,362 km (0.065 R)
• M12: 12,752,919 km (0.099 R)
• M13: 14,812,284 km (0.107 R)
• M14: 16,277,894 km (0.086 R)
• M15: 19,494,099 km (0.087 R)
• M16: 26,047,383 km (0.08 R)
• M17: 27,452,256 km (0.118 R)
• M18: 37,330,653 km (0.118 R)
• M19: 37,961,058 km (0.055 R)
• M20: 39,502,963 km (0.086 R)
• M21: 49,336,929 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.8

Radius: 3.4

Gravity: 59.67 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.18 AU - 10 AU

Year: 17378 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,746,888 km

• M1: 42,336 km (0.115 R)
• M2: 162,164 km (0.03 R)
• M3: 286,031 km (0.072 R)
• M4: 541,245 km (0.094 R)
• M5: 731,982 km (0.114 R)
• M6: 931,546 km (0.109 R)
• M7: 1,038,209 km (0.059 R)
• M8: 1,276,219 km (0.097 R)
• M9: 1,582,147 km (0.079 R)
• M10: 1,935,048 km (0.082 R)
• M11: 2,337,916 km (0.105 R)
• M12: 2,628,285 km (0.102 R)
• M13: 3,673,077 km (0.045 R)
• M14: 3,880,718 km (0.055 R)
• M15: 4,033,907 km (0.073 R)
• M16: 5,755,030 km (0.089 R)
• M17: 9,357,496 km (0.108 R)
• M18: 9,522,204 km (0.094 R)
• M19: 11,907,093 km (0.049 R)
• M20: 12,165,448 km (0.086 R)
• M21: 12,493,666 km (0.063 R)
• M22: 14,223,915 km (0.112 R)
• M23: 18,150,859 km (0.114 R)
• M24: 24,777,746 km (0.056 R)
• M25: 28,624,655 km (0.053 R)
• M26: 34,001,651 km (0.115 R)
• M27: 34,521,354 km (0.113 R)
• M28: 34,914,647 km (0.058 R)
• M29: 36,517,738 km (0.04 R)
• M30: 38,449,196 km (0.104 R)
• M31: 39,297,416 km (0.039 R)
• M32: 43,421,231 km (0.081 R)
• M33: 47,338,750 km (0.071 R)
• M34: 53,558,880 km (0.037 R)
• M35: 66,773,907 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.5

Radius: 4.1

Gravity: 29.6 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.57 AU - 8.91 AU

Year: 17835 Days

Day: 18.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,746,888 km

• M1: 51,013 km (0.074 R)
• M2: 232,325 km (0.073 R)
• M3: 781,798 km (0.057 R)
• M4: 1,215,931 km (0.06 R)
• M5: 1,485,956 km (0.098 R)
• M6: 2,326,396 km (0.12 R)
• M7: 2,956,054 km (0.06 R)
• M8: 3,470,671 km (0.117 R)
• M9: 4,675,083 km (0.046 R)
• M10: 5,518,217 km (0.027 R)
• M11: 7,776,845 km (0.105 R)
• M12: 8,060,632 km (0.103 R)
• M13: 8,351,301 km (0.093 R)
• M14: 9,265,195 km (0.118 R)
• M15: 11,962,444 km (0.095 R)
• M16: 14,351,672 km (0.078 R)
• M17: 15,213,804 km (0.108 R)
• M18: 17,438,773 km (0.12 R)
• M19: 19,609,887 km (0.11 R)
• M20: 20,580,329 km (0.059 R)
• M21: 24,379,067 km (0.089 R)
• M22: 25,500,154 km (0.108 R)
• M23: 28,619,569 km (0.1 R)
• M24: 31,505,162 km (0.062 R)
• M25: 33,574,400 km (0.114 R)
• M26: 59,824,787 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.5

Radius: 5

Gravity: 36.02 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.77 AU - 10.89 AU

Year: 18111 Days

Day: 23.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,746,888 km

• M1: 64,327 km (0.105 R)
• M2: 295,007 km (0.097 R)
• M3: 631,303 km (0.104 R)
• M4: 1,035,666 km (0.087 R)
• M5: 1,432,400 km (0.074 R)
• M6: 2,940,795 km (0.052 R)
• M7: 3,462,144 km (0.042 R)
• M8: 5,240,862 km (0.077 R)
• M9: 5,920,785 km (0.047 R)
• M10: 6,217,138 km (0.102 R)
• M11: 7,071,641 km (0.098 R)
• M12: 7,749,618 km (0.044 R)
• M13: 9,924,173 km (0.117 R)
• M14: 12,066,714 km (0.084 R)
• M15: 12,751,274 km (0.116 R)
• M16: 13,826,134 km (0.078 R)
• M17: 19,094,523 km (0.117 R)
• M18: 20,786,774 km (0.035 R)
• M19: 22,987,658 km (0.065 R)
• M20: 24,358,572 km (0.112 R)
• M21: 25,339,037 km (0.033 R)
• M22: 26,572,771 km (0.114 R)
• M23: 33,479,106 km (0.071 R)
• M24: 35,100,148 km (0.09 R)
• M25: 37,342,022 km (0.086 R)
• M26: 37,628,801 km (0.055 R)
• M27: 43,044,992 km (0.077 R)
• M28: 49,993,664 km (0.087 R)
• M29: 55,763,504 km (0.056 R)
• M30: 56,703,278 km (0.038 R)
• M31: 59,390,953 km (0.103 R)
• M32: 71,211,130 km (0.077 R)
• M33: 72,094,954 km (0.099 R)
• M34: 73,209,907 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.6

Radius: 6.6

Gravity: 15.17 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.69 AU - 11.07 AU

Year: 19830 Days

Day: 18.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 74,746,888 km

• M1: 82,129 km (0.063 R)
• M2: 324,179 km (0.081 R)
• M3: 594,203 km (0.085 R)
• M4: 813,812 km (0.118 R)
• M5: 1,535,473 km (0.096 R)
• M6: 2,789,701 km (0.112 R)
• M7: 3,422,500 km (0.098 R)
• M8: 3,925,747 km (0.111 R)
• M9: 4,511,124 km (0.07 R)
• M10: 4,789,376 km (0.08 R)
• M11: 5,936,044 km (0.05 R)
• M12: 7,397,166 km (0.063 R)
• M13: 8,974,376 km (0.101 R)
• M14: 9,192,939 km (0.065 R)
• M15: 9,527,589 km (0.117 R)
• M16: 9,870,318 km (0.102 R)
• M17: 10,824,752 km (0.091 R)
• M18: 11,387,839 km (0.097 R)
• M19: 14,202,672 km (0.119 R)
• M20: 14,499,923 km (0.12 R)
• M21: 17,029,623 km (0.076 R)
• M22: 18,223,414 km (0.081 R)
• M23: 20,872,194 km (0.08 R)
• M24: 22,538,565 km (0.112 R)
• M25: 23,766,913 km (0.073 R)
• M26: 24,931,532 km (0.047 R)
• M27: 27,834,629 km (0.074 R)
• M28: 29,127,902 km (0.11 R)
• M29: 30,337,999 km (0.089 R)
• M30: 33,509,325 km (0.028 R)
• M31: 38,886,770 km (0.07 R)
• M32: 39,177,139 km (0.064 R)
• M33: 39,468,855 km (0.093 R)
• M34: 45,935,672 km (0.04 R)
• M35: 47,242,559 km (0.053 R)
• M36: 54,512,716 km (0.07 R)
• M37: 58,984,346 km (0.106 R)
• M38: 60,722,374 km (0.072 R)
• M39: 66,969,880 km (0.062 R)
• M40: 67,596,247 km (0.087 R)
• M41: 71,437,172 km (0.025 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: 541 - 10,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit