🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 14.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.49 AU - 0.59 AU

Year: 269 Days

Day: 12.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,617,074 km

• M1: 175,329 km (0.111 R)
• M2: 626,665 km (0.096 R)
• M3: 1,190,350 km (0.095 R)
• M4: 1,737,729 km (0.093 R)
• M5: 2,337,317 km (0.11 R)
• M6: 3,024,570 km (0.086 R)
• M7: 3,562,673 km (0.107 R)
• M8: 4,079,684 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.8

Radius: 9.2

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.59 AU - 0.61 AU

Year: 315 Days

Day: 5.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,617,074 km

• M1: 114,742 km (0.087 R)
• M2: 420,669 km (0.107 R)
• M3: 786,137 km (0.045 R)
• M4: 1,112,559 km (0.103 R)
• M5: 1,512,734 km (0.09 R)
• M6: 1,860,848 km (0.097 R)
• M7: 2,185,326 km (0.072 R)
• M8: 2,685,880 km (0.1 R)
• M9: 3,142,004 km (0.068 R)
• M10: 3,692,823 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.6

Radius: 12.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.43 AU - 1.73 AU

Year: 1347 Days

Day: 11.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 144.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,617,074 km

• M1: 151,692 km (0.076 R)
• M2: 617,390 km (0.089 R)
• M3: 1,111,063 km (0.095 R)
• M4: 1,649,017 km (0.061 R)
• M5: 2,615,270 km (0.103 R)
• M6: 3,016,192 km (0.103 R)
• M7: 4,063,677 km (0.11 R)
• M8: 4,567,821 km (0.055 R)
• M9: 5,812,326 km (0.049 R)
• M10: 6,549,844 km (0.06 R)
• M11: 7,531,954 km (0.115 R)
• M12: 9,261,604 km (0.104 R)
• M13: 9,850,721 km (0.1 R)
• M14: 10,398,997 km (0.107 R)
• M15: 10,798,274 km (0.101 R)
• M16: 11,913,226 km (0.077 R)
• M17: 12,461,503 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.3

Radius: 10.4

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.05 AU - 2.21 AU

Year: 2108 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,617,074 km

• M1: 130,150 km (0.114 R)
• M2: 509,231 km (0.088 R)
• M3: 856,597 km (0.116 R)
• M4: 1,211,294 km (0.054 R)
• M5: 1,730,399 km (0.118 R)
• M6: 2,312,185 km (0.106 R)
• M7: 2,754,246 km (0.089 R)
• M8: 3,286,366 km (0.103 R)
• M9: 3,678,312 km (0.115 R)
• M10: 4,081,479 km (0.12 R)
• M11: 5,303,544 km (0.115 R)
• M12: 5,947,563 km (0.073 R)
• M13: 6,559,867 km (0.099 R)
• M14: 7,068,200 km (0.098 R)
• M15: 8,291,761 km (0.1 R)
• M16: 9,263,699 km (0.092 R)
• M17: 10,649,872 km (0.109 R)
• M18: 12,937,972 km (0.082 R)
• M19: 13,829,276 km (0.093 R)
• M20: 14,243,363 km (0.104 R)
• M21: 15,535,888 km (0.113 R)
• M22: 17,114,445 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 14.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.88 AU - 3.56 AU

Year: 3919 Days

Day: 7.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,617,074 km

• M1: 179,218 km (0.105 R)
• M2: 752,178 km (0.11 R)
• M3: 1,447,359 km (0.112 R)
• M4: 2,001,021 km (0.081 R)
• M5: 3,376,274 km (0.106 R)
• M6: 4,323,678 km (0.072 R)
• M7: 5,574,465 km (0.116 R)
• M8: 6,328,289 km (0.109 R)
• M9: 7,373,380 km (0.085 R)
• M10: 8,317,941 km (0.059 R)
• M11: 8,819,692 km (0.102 R)
• M12: 10,863,797 km (0.095 R)
• M13: 11,640,061 km (0.094 R)
• M14: 12,314,897 km (0.109 R)
• M15: 14,754,988 km (0.077 R)
• M16: 15,226,221 km (0.077 R)
• M17: 16,927,149 km (0.108 R)
• M18: 17,971,192 km (0.109 R)
• M19: 21,229,135 km (0.095 R)
• M20: 21,695,880 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 12.8

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.29 AU - 5.91 AU

Year: 7812 Days

Day: 12 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,617,074 km

• M1: 159,771 km (0.109 R)
• M2: 845,078 km (0.035 R)
• M3: 1,346,381 km (0.109 R)
• M4: 2,602,405 km (0.063 R)
• M5: 3,760,741 km (0.109 R)
• M6: 6,972,757 km (0.066 R)
• M7: 9,738,223 km (0.072 R)
• M8: 12,674,680 km (0.054 R)
• M9: 13,165,959 km (0.116 R)
• M10: 15,041,318 km (0.063 R)
• M11: 17,810,674 km (0.117 R)
• M12: 20,971,976 km (0.118 R)
• M13: 22,221,866 km (0.095 R)
• M14: 23,742,080 km (0.115 R)
• M15: 24,339,125 km (0.055 R)
• M16: 26,190,398 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.2

Radius: 6.1

Gravity: 23.44 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.43 AU - 7.57 AU

Year: 11240 Days

Day: 18.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,617,074 km

• M1: 140,772 km (0.09 R)
• M2: 337,044 km (0.096 R)
• M3: 573,409 km (0.1 R)
• M4: 941,719 km (0.098 R)
• M5: 2,939,897 km (0.116 R)
• M6: 3,301,625 km (0.11 R)
• M7: 5,861,843 km (0.057 R)
• M8: 7,256,394 km (0.089 R)
• M9: 7,603,761 km (0.119 R)
• M10: 8,099,378 km (0.094 R)
• M11: 8,858,588 km (0.114 R)
• M12: 9,105,274 km (0.051 R)
• M13: 9,925,669 km (0.105 R)
• M14: 11,420,152 km (0.096 R)
• M15: 12,869,306 km (0.12 R)
• M16: 18,985,765 km (0.032 R)
• M17: 20,405,598 km (0.087 R)
• M18: 20,923,057 km (0.095 R)
• M19: 29,225,290 km (0.117 R)
• M20: 35,874,916 km (0.104 R)
• M21: 38,428,103 km (0.109 R)
• M22: 41,236,503 km (0.097 R)
• M23: 42,202,307 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.1

Radius: 5.4

Gravity: 27.47 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.56 AU - 11.78 AU

Year: 23639 Days

Day: 23.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,617,074 km

• M1: 67,169 km (0.064 R)
• M2: 237,861 km (0.112 R)
• M3: 499,358 km (0.089 R)
• M4: 1,007,691 km (0.118 R)
• M5: 1,352,066 km (0.088 R)
• M6: 1,849,478 km (0.093 R)
• M7: 4,006,231 km (0.101 R)
• M8: 4,981,011 km (0.028 R)
• M9: 5,884,731 km (0.08 R)
• M10: 7,286,763 km (0.075 R)
• M11: 10,032,632 km (0.08 R)
• M12: 12,156,921 km (0.102 R)
• M13: 12,804,381 km (0.099 R)
• M14: 13,856,952 km (0.104 R)
• M15: 14,804,056 km (0.073 R)
• M16: 17,811,870 km (0.091 R)
• M17: 17,995,128 km (0.088 R)
• M18: 18,365,532 km (0.092 R)
• M19: 21,101,079 km (0.081 R)
• M20: 21,512,772 km (0.113 R)
• M21: 21,825,133 km (0.083 R)
• M22: 24,096,627 km (0.095 R)
• M23: 25,462,904 km (0.115 R)
• M24: 25,929,649 km (0.106 R)
• M25: 40,473,704 km (0.113 R)
• M26: 43,385,776 km (0.118 R)
• M27: 49,986,034 km (0.097 R)
• M28: 53,905,648 km (0.115 R)
• M29: 65,785,215 km (0.095 R)
• M30: 67,105,416 km (0.105 R)
• M31: 68,443,120 km (0.043 R)
• M32: 76,119,885 km (0.091 R)
• M33: 78,800,978 km (0.105 R)
• M34: 83,323,022 km (0.102 R)
• M35: 84,867,919 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 16,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit