🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.2

Radius: 12.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 14.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 94,933,849 km

• M1: 154,235 km (0.085 R)
• M2: 592,258 km (0.09 R)
• M3: 992,432 km (0.11 R)
• M4: 1,454,390 km (0.073 R)
• M5: 2,226,316 km (0.096 R)
• M6: 2,668,377 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.5

Radius: 15

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.69 AU - 0.85 AU

Year: 458 Days

Day: 12 Hours

Environment

Temp: -165 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,933,849 km

• M1: 186,549 km (0.119 R)
• M2: 834,906 km (0.118 R)
• M3: 1,392,008 km (0.033 R)
• M4: 1,874,761 km (0.1 R)
• M5: 2,416,006 km (0.08 R)
• M6: 2,985,973 km (0.09 R)
• M7: 3,462,892 km (0.078 R)
• M8: 4,138,475 km (0.073 R)
• M9: 4,646,659 km (0.099 R)
• M10: 5,487,699 km (0.119 R)
• M11: 6,015,181 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.8

Radius: 12.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.22 AU - 1.64 AU

Year: 1160 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 94,933,849 km

• M1: 154,235 km (0.079 R)
• M2: 642,224 km (0.081 R)
• M3: 1,069,924 km (0.117 R)
• M4: 1,618,200 km (0.087 R)
• M5: 2,033,933 km (0.071 R)
• M6: 2,552,738 km (0.062 R)
• M7: 3,356,827 km (0.096 R)
• M8: 5,019,906 km (0.063 R)
• M9: 5,626,825 km (0.063 R)
• M10: 7,135,070 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.8

Radius: 8.6

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.41 AU - 2.21 AU

Year: 1652 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 94,933,849 km

• M1: 106,962 km (0.078 R)
• M2: 382,223 km (0.095 R)
• M3: 1,113,457 km (0.105 R)
• M4: 1,959,882 km (0.079 R)
• M5: 2,686,329 km (0.066 R)
• M6: 3,150,980 km (0.107 R)
• M7: 3,616,080 km (0.078 R)
• M8: 3,938,613 km (0.053 R)
• M9: 4,683,461 km (0.099 R)
• M10: 5,850,773 km (0.098 R)
• M11: 6,424,630 km (0.088 R)
• M12: 6,738,786 km (0.104 R)
• M13: 8,159,517 km (0.063 R)
• M14: 10,011,239 km (0.076 R)
• M15: 10,942,635 km (0.052 R)
• M16: 12,008,969 km (0.069 R)
• M17: 13,522,301 km (0.068 R)
• M18: 14,391,166 km (0.086 R)
• M19: 14,884,839 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 10.5

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4 AU - 4.3 AU

Year: 5734 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 94,933,849 km

• M1: 130,599 km (0.066 R)
• M2: 501,302 km (0.059 R)
• M3: 833,410 km (0.08 R)
• M4: 1,246,749 km (0.072 R)
• M5: 1,677,441 km (0.075 R)
• M6: 2,038,421 km (0.099 R)
• M7: 2,696,950 km (0.113 R)
• M8: 3,238,345 km (0.108 R)
• M9: 3,758,946 km (0.032 R)
• M10: 4,385,312 km (0.066 R)
• M11: 6,653,515 km (0.113 R)
• M12: 9,611,663 km (0.081 R)
• M13: 10,230,699 km (0.11 R)
• M14: 10,735,742 km (0.065 R)
• M15: 12,350,800 km (0.113 R)
• M16: 12,870,802 km (0.073 R)
• M17: 13,568,527 km (0.041 R)
• M18: 14,690,810 km (0.115 R)
• M19: 15,452,862 km (0.109 R)
• M20: 16,118,123 km (0.056 R)
• M21: 16,739,403 km (0.11 R)
• M22: 18,095,807 km (0.109 R)
• M23: 19,108,734 km (0.058 R)
• M24: 19,945,884 km (0.08 R)
• M25: 21,543,889 km (0.062 R)
• M26: 22,297,862 km (0.098 R)
• M27: 23,382,746 km (0.089 R)
• M28: 26,676,292 km (0.111 R)
• M29: 28,076,229 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.6

Radius: 7.4

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.41 AU - 7.25 AU

Year: 10802 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 94,933,849 km

• M1: 92,003 km (0.117 R)
• M2: 405,261 km (0.115 R)
• M3: 1,095,655 km (0.06 R)
• M4: 1,370,017 km (0.106 R)
• M5: 2,578,469 km (0.057 R)
• M6: 2,941,842 km (0.066 R)
• M7: 5,358,596 km (0.046 R)
• M8: 5,649,863 km (0.044 R)
• M9: 5,917,643 km (0.04 R)
• M10: 8,902,719 km (0.082 R)
• M11: 10,515,384 km (0.045 R)
• M12: 10,870,230 km (0.087 R)
• M13: 12,937,074 km (0.072 R)
• M14: 14,869,879 km (0.069 R)
• M15: 15,252,550 km (0.087 R)
• M16: 16,440,208 km (0.07 R)
• M17: 19,984,032 km (0.063 R)
• M18: 20,450,179 km (0.103 R)
• M19: 21,163,162 km (0.113 R)
• M20: 23,230,156 km (0.077 R)
• M21: 25,975,725 km (0.066 R)
• M22: 27,378,804 km (0.075 R)
• M23: 28,930,283 km (0.096 R)
• M24: 29,929,148 km (0.099 R)
• M25: 30,847,679 km (0.06 R)
• M26: 31,261,916 km (0.089 R)
• M27: 34,045,184 km (0.065 R)
• M28: 35,497,032 km (0.113 R)
• M29: 36,525,966 km (0.045 R)
• M30: 36,757,244 km (0.085 R)
• M31: 38,883,479 km (0.102 R)
• M32: 40,099,410 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.2

Radius: 3.1

Gravity: 91.59 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.79 AU - 7.17 AU

Year: 11188 Days

Day: 18.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,933,849 km

• M1: 39,494 km (0.075 R)
• M2: 164,707 km (0.115 R)
• M3: 360,381 km (0.11 R)
• M4: 814,411 km (0.112 R)
• M5: 1,094,907 km (0.065 R)
• M6: 1,270,535 km (0.064 R)
• M7: 1,776,026 km (0.108 R)
• M8: 2,790,150 km (0.11 R)
• M9: 3,166,987 km (0.061 R)
• M10: 4,020,892 km (0.085 R)
• M11: 4,226,289 km (0.096 R)
• M12: 4,531,918 km (0.096 R)
• M13: 5,430,253 km (0.11 R)
• M14: 5,754,432 km (0.089 R)
• M15: 7,527,166 km (0.04 R)
• M16: 11,623,605 km (0.109 R)
• M17: 12,100,373 km (0.087 R)
• M18: 13,156,834 km (0.114 R)
• M19: 14,273,133 km (0.075 R)
• M20: 16,100,172 km (0.119 R)
• M21: 19,042,014 km (0.09 R)
• M22: 23,432,113 km (0.11 R)
• M23: 23,715,152 km (0.041 R)
• M24: 24,674,822 km (0.106 R)
• M25: 25,262,892 km (0.11 R)
• M26: 26,162,573 km (0.065 R)
• M27: 27,499,380 km (0.098 R)
• M28: 28,558,084 km (0.097 R)
• M29: 28,989,225 km (0.09 R)
• M30: 30,308,229 km (0.071 R)
• M31: 34,140,927 km (0.109 R)
• M32: 35,116,455 km (0.096 R)
• M33: 39,602,895 km (0.085 R)
• M34: 40,004,415 km (0.063 R)
• M35: 41,224,984 km (0.033 R)
• M36: 45,472,666 km (0.096 R)
• M37: 51,101,585 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.9

Radius: 4.6

Gravity: 40.07 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.42 AU - 9.08 AU

Year: 14633 Days

Day: 21 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 94,933,849 km

• M1: 60,587 km (0.094 R)
• M2: 242,947 km (0.07 R)
• M3: 450,290 km (0.12 R)
• M4: 595,400 km (0.072 R)
• M5: 1,156,242 km (0.119 R)
• M6: 1,707,360 km (0.091 R)
• M7: 2,168,571 km (0.118 R)
• M8: 2,755,294 km (0.074 R)
• M9: 3,175,364 km (0.06 R)
• M10: 3,751,765 km (0.089 R)
• M11: 5,588,378 km (0.094 R)
• M12: 5,897,746 km (0.106 R)
• M13: 6,341,603 km (0.054 R)
• M14: 8,643,915 km (0.115 R)
• M15: 9,110,211 km (0.082 R)
• M16: 10,378,203 km (0.035 R)
• M17: 12,988,985 km (0.11 R)
• M18: 13,394,395 km (0.098 R)
• M19: 13,669,356 km (0.085 R)
• M20: 16,083,566 km (0.063 R)
• M21: 18,343,093 km (0.074 R)
• M22: 19,991,362 km (0.097 R)
• M23: 22,020,208 km (0.032 R)
• M24: 22,403,179 km (0.078 R)
• M25: 23,779,030 km (0.085 R)
• M26: 25,946,703 km (0.085 R)
• M27: 26,481,665 km (0.109 R)
• M28: 30,789,486 km (0.036 R)
• M29: 32,364,153 km (0.108 R)
• M30: 34,761,010 km (0.039 R)
• M31: 40,904,247 km (0.112 R)
• M32: 44,003,466 km (0.08 R)
• M33: 52,004,857 km (0.111 R)
• M34: 59,247,638 km (0.103 R)
• M35: 61,488,016 km (0.106 R)
• M36: 65,938,852 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.8

Radius: 5.5

Gravity: 29.81 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.2 AU - 8.68 AU

Year: 15175 Days

Day: 18 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 94,933,849 km

• M1: 73,602 km (0.065 R)
• M2: 379,679 km (0.064 R)
• M3: 639,680 km (0.096 R)
• M4: 826,678 km (0.036 R)
• M5: 1,258,567 km (0.103 R)
• M6: 1,776,176 km (0.078 R)
• M7: 2,469,562 km (0.1 R)
• M8: 4,706,499 km (0.096 R)
• M9: 5,057,754 km (0.08 R)
• M10: 6,814,183 km (0.107 R)
• M11: 7,685,142 km (0.049 R)
• M12: 9,479,718 km (0.075 R)
• M13: 10,154,404 km (0.096 R)
• M14: 11,042,118 km (0.11 R)
• M15: 11,349,093 km (0.108 R)
• M16: 14,520,269 km (0.112 R)
• M17: 19,454,605 km (0.078 R)
• M18: 20,726,486 km (0.086 R)
• M19: 21,477,617 km (0.094 R)
• M20: 22,441,775 km (0.093 R)
• M21: 26,588,179 km (0.118 R)
• M22: 26,807,938 km (0.106 R)
• M23: 27,924,986 km (0.038 R)
• M24: 28,956,613 km (0.096 R)
• M25: 29,658,376 km (0.116 R)
• M26: 39,267,496 km (0.119 R)
• M27: 41,883,215 km (0.059 R)
• M28: 44,457,944 km (0.071 R)
• M29: 48,106,935 km (0.099 R)
• M30: 54,034,751 km (0.104 R)
• M31: 54,210,977 km (0.052 R)
• M32: 60,241,866 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.3

Radius: 6.2

Gravity: 25.27 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.92 AU - 11.28 AU

Year: 23407 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 94,933,849 km

• M1: 77,492 km (0.109 R)
• M2: 397,182 km (0.049 R)
• M3: 639,531 km (0.113 R)
• M4: 870,660 km (0.113 R)
• M5: 1,323,941 km (0.094 R)
• M6: 2,007,155 km (0.107 R)
• M7: 2,512,347 km (0.057 R)
• M8: 2,821,715 km (0.1 R)
• M9: 3,214,559 km (0.063 R)
• M10: 3,772,559 km (0.094 R)
• M11: 4,040,339 km (0.111 R)
• M12: 6,519,475 km (0.041 R)
• M13: 7,939,009 km (0.076 R)
• M14: 9,130,556 km (0.081 R)
• M15: 9,614,506 km (0.042 R)
• M16: 10,831,933 km (0.099 R)
• M17: 12,366,209 km (0.108 R)
• M18: 13,414,740 km (0.107 R)
• M19: 15,263,920 km (0.111 R)
• M20: 16,031,656 km (0.07 R)
• M21: 16,293,302 km (0.057 R)
• M22: 19,262,970 km (0.079 R)
• M23: 19,957,553 km (0.079 R)
• M24: 22,034,121 km (0.101 R)
• M25: 22,684,124 km (0.096 R)
• M26: 27,224,269 km (0.093 R)
• M27: 29,120,572 km (0.111 R)
• M28: 34,459,570 km (0.073 R)
• M29: 38,049,770 km (0.062 R)
• M30: 43,720,726 km (0.075 R)
• M31: 45,438,708 km (0.111 R)
• M32: 45,787,719 km (0.117 R)
• M33: 63,406,160 km (0.095 R)
• M34: 68,997,380 km (0.044 R)
• M35: 73,700,289 km (0.063 R)
• M36: 74,181,994 km (0.223 R)
• M37: 77,116,506 km (0.117 R)
• M38: 80,892,356 km (0.051 R)
• M39: 94,933,911 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 13,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit