🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 12.1

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.93 AU - 1.01 AU

Year: 607 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,378,593 km

• M1: 150,795 km (0.096 R)
• M2: 621,280 km (0.095 R)
• M3: 1,035,367 km (0.117 R)
• M4: 1,955,244 km (0.117 R)
• M5: 2,691,714 km (0.101 R)
• M6: 3,432,074 km (0.114 R)
• M7: 4,625,267 km (0.084 R)
• M8: 5,880,842 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.2

Radius: 14

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.13 AU - 1.88 AU

Year: 1168 Days

Day: 8.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,378,593 km

• M1: 174,431 km (0.071 R)
• M2: 695,630 km (0.109 R)
• M3: 1,256,473 km (0.083 R)
• M4: 1,820,307 km (0.098 R)
• M5: 2,755,144 km (0.113 R)
• M6: 3,598,278 km (0.05 R)
• M7: 4,065,921 km (0.105 R)
• M8: 7,528,064 km (0.094 R)
• M9: 8,348,908 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 11.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.36 AU - 1.72 AU

Year: 1215 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,378,593 km

• M1: 147,653 km (0.062 R)
• M2: 756,217 km (0.086 R)
• M3: 1,148,762 km (0.087 R)
• M4: 1,886,878 km (0.038 R)
• M5: 2,849,241 km (0.119 R)
• M6: 3,347,402 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.1

Radius: 9.8

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.07 AU - 3.55 AU

Year: 3829 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,378,593 km

• M1: 122,072 km (0.114 R)
• M2: 533,017 km (0.109 R)
• M3: 898,335 km (0.1 R)
• M4: 1,391,111 km (0.081 R)
• M5: 2,440,988 km (0.056 R)
• M6: 2,785,064 km (0.093 R)
• M7: 3,571,948 km (0.119 R)
• M8: 4,405,508 km (0.108 R)
• M9: 5,124,924 km (0.119 R)
• M10: 7,585,210 km (0.113 R)
• M11: 7,931,230 km (0.087 R)
• M12: 9,580,846 km (0.054 R)
• M13: 11,903,951 km (0.117 R)
• M14: 12,901,171 km (0.049 R)
• M15: 13,495,374 km (0.062 R)
• M16: 15,169,673 km (0.117 R)
• M17: 15,831,793 km (0.115 R)
• M18: 16,861,026 km (0.105 R)
• M19: 18,117,349 km (0.099 R)
• M20: 18,989,056 km (0.057 R)
• M21: 21,495,718 km (0.094 R)
• M22: 23,332,780 km (0.111 R)
• M23: 24,891,291 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.7

Radius: 12.9

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.45 AU - 3.75 AU

Year: 4343 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,378,593 km

• M1: 161,117 km (0.104 R)
• M2: 744,399 km (0.047 R)
• M3: 1,201,271 km (0.071 R)
• M4: 1,836,763 km (0.109 R)
• M5: 2,442,185 km (0.092 R)
• M6: 4,360,928 km (0.077 R)
• M7: 5,616,502 km (0.111 R)
• M8: 7,167,234 km (0.104 R)
• M9: 7,719,250 km (0.094 R)
• M10: 8,262,290 km (0.032 R)
• M11: 9,425,563 km (0.112 R)
• M12: 11,097,170 km (0.047 R)
• M13: 12,462,849 km (0.044 R)
• M14: 13,519,608 km (0.071 R)
• M15: 14,203,271 km (0.101 R)
• M16: 18,287,891 km (0.063 R)
• M17: 20,392,733 km (0.055 R)
• M18: 22,654,503 km (0.042 R)
• M19: 23,394,414 km (0.097 R)
• M20: 24,457,307 km (0.092 R)
• M21: 25,631,501 km (0.113 R)
• M22: 27,007,203 km (0.095 R)
• M23: 27,421,140 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.7

Radius: 8.2

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.02 AU - 4.88 AU

Year: 4991 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,378,593 km

• M1: 102,026 km (0.119 R)
• M2: 445,802 km (0.091 R)
• M3: 768,484 km (0.1 R)
• M4: 1,028,336 km (0.078 R)
• M5: 1,411,606 km (0.057 R)
• M6: 1,982,022 km (0.075 R)
• M7: 2,500,229 km (0.084 R)
• M8: 4,250,823 km (0.107 R)
• M9: 4,534,162 km (0.112 R)
• M10: 5,515,823 km (0.061 R)
• M11: 6,790,247 km (0.071 R)
• M12: 8,919,773 km (0.12 R)
• M13: 9,827,234 km (0.053 R)
• M14: 10,493,842 km (0.101 R)
• M15: 11,778,588 km (0.081 R)
• M16: 13,974,835 km (0.084 R)
• M17: 14,392,063 km (0.111 R)
• M18: 21,620,183 km (0.061 R)
• M19: 22,038,010 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.7

Radius: 14.4

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.84 AU - 5.08 AU

Year: 5989 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,378,593 km

• M1: 215,122 km (0.065 R)
• M2: 791,074 km (0.073 R)
• M3: 1,360,443 km (0.077 R)
• M4: 1,946,567 km (0.065 R)
• M5: 2,521,023 km (0.105 R)
• M6: 4,241,100 km (0.116 R)
• M7: 4,739,709 km (0.057 R)
• M8: 5,189,700 km (0.064 R)
• M9: 7,322,666 km (0.075 R)
• M10: 12,438,614 km (0.114 R)
• M11: 12,918,973 km (0.059 R)
• M12: 16,192,324 km (0.098 R)
• M13: 20,717,660 km (0.079 R)
• M14: 28,711,123 km (0.113 R)
• M15: 29,363,668 km (0.118 R)
• M16: 29,931,093 km (0.054 R)
• M17: 32,373,877 km (0.075 R)
• M18: 36,013,294 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484

Radius: 9.1

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.82 AU - 6.12 AU

Year: 9275 Days

Day: 14.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,378,593 km

• M1: 118,482 km (0.103 R)
• M2: 493,523 km (0.117 R)
• M3: 927,956 km (0.109 R)
• M4: 1,503,010 km (0.08 R)
• M5: 1,834,219 km (0.059 R)
• M6: 2,265,510 km (0.034 R)
• M7: 3,070,197 km (0.111 R)
• M8: 3,681,155 km (0.097 R)
• M9: 4,131,744 km (0.1 R)
• M10: 5,174,291 km (0.088 R)
• M11: 6,313,180 km (0.108 R)
• M12: 6,960,340 km (0.078 R)
• M13: 7,532,851 km (0.062 R)
• M14: 10,677,398 km (0.087 R)
• M15: 11,130,082 km (0.091 R)
• M16: 12,127,899 km (0.106 R)
• M17: 12,455,070 km (0.094 R)
• M18: 13,472,036 km (0.113 R)
• M19: 14,912,963 km (0.045 R)
• M20: 17,331,512 km (0.071 R)
• M21: 18,960,184 km (0.034 R)
• M22: 20,765,830 km (0.12 R)
• M23: 23,264,264 km (0.119 R)
• M24: 24,890,692 km (0.091 R)
• M25: 28,849,501 km (0.114 R)
• M26: 32,054,485 km (0.05 R)
• M27: 32,891,336 km (0.064 R)
• M28: 33,635,436 km (0.099 R)
• M29: 34,827,282 km (0.092 R)
• M30: 35,267,698 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.1

Radius: 3.9

Gravity: 63.12 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.65 AU - 7.19 AU

Year: 10343 Days

Day: 24.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 46,378,593 km

• M1: 48,470 km (0.071 R)
• M2: 198,965 km (0.093 R)
• M3: 357,689 km (0.039 R)
• M4: 527,632 km (0.06 R)
• M5: 733,030 km (0.049 R)
• M6: 989,889 km (0.061 R)
• M7: 1,681,480 km (0.077 R)
• M8: 1,930,112 km (0.082 R)
• M9: 2,648,780 km (0.034 R)
• M10: 3,662,754 km (0.108 R)
• M11: 4,376,187 km (0.117 R)
• M12: 4,976,972 km (0.11 R)
• M13: 5,110,263 km (0.08 R)
• M14: 9,934,645 km (0.025 R)
• M15: 10,965,973 km (0.094 R)
• M16: 11,711,419 km (0.116 R)
• M17: 12,860,779 km (0.103 R)
• M18: 13,111,954 km (0.112 R)
• M19: 14,283,006 km (0.078 R)
• M20: 15,310,893 km (0.074 R)
• M21: 16,534,155 km (0.098 R)
• M22: 18,528,893 km (0.038 R)
• M23: 18,688,664 km (0.081 R)
• M24: 23,172,710 km (0.098 R)
• M25: 23,358,062 km (0.063 R)
• M26: 24,491,864 km (0.099 R)
• M27: 25,562,985 km (0.1 R)
• M28: 31,730,756 km (0.086 R)
• M29: 36,142,846 km (0.104 R)
• M30: 37,147,844 km (0.054 R)
• M31: 41,490,072 km (0.099 R)
• M32: 43,995,537 km (0.037 R)
• M33: 44,279,923 km (0.087 R)
• M34: 47,490,293 km (0.056 R)
• M35: 50,229,579 km (0.109 R)
• M36: 50,540,294 km (0.118 R)
• M37: 53,556,337 km (0.046 R)
• M38: 54,206,190 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.2

Radius: 8

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.54 AU - 8 AU

Year: 13771 Days

Day: 21.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,378,593 km

• M1: 102,175 km (0.116 R)
• M2: 397,332 km (0.099 R)
• M3: 648,058 km (0.043 R)
• M4: 1,010,384 km (0.031 R)
• M5: 1,438,533 km (0.102 R)
• M6: 1,732,493 km (0.071 R)
• M7: 2,240,677 km (0.052 R)
• M8: 2,559,620 km (0.115 R)
• M9: 3,602,167 km (0.117 R)
• M10: 4,604,174 km (0.083 R)
• M11: 4,935,084 km (0.118 R)
• M12: 5,477,825 km (0.093 R)
• M13: 6,569,291 km (0.1 R)
• M14: 6,989,362 km (0.052 R)
• M15: 7,427,385 km (0.073 R)
• M16: 9,652,653 km (0.062 R)
• M17: 10,196,142 km (0.099 R)
• M18: 10,812,037 km (0.074 R)
• M19: 12,808,869 km (0.048 R)
• M20: 13,832,418 km (0.089 R)
• M21: 14,206,412 km (0.075 R)
• M22: 14,909,373 km (0.103 R)
• M23: 16,041,380 km (0.099 R)
• M24: 17,662,572 km (0.039 R)
• M25: 19,858,669 km (0.079 R)
• M26: 22,830,281 km (0.106 R)
• M27: 23,090,581 km (0.069 R)
• M28: 24,241,437 km (0.08 R)
• M29: 30,679,681 km (0.1 R)
• M30: 31,209,257 km (0.065 R)
• M31: 33,166,746 km (0.077 R)
• M32: 33,724,596 km (0.1 R)
• M33: 38,171,243 km (0.114 R)
• M34: 40,916,514 km (0.053 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 11,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit